./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW --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 fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- 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-4e7fbc6 [2022-11-23 14:57:58,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:57:58,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:57:58,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:57:58,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:57:58,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:57:58,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:57:58,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:57:58,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:57:58,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:57:58,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:57:58,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:57:58,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:57:58,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:57:58,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:57:58,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:57:58,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:57:58,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:57:58,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:57:58,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:57:58,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:57:58,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:57:58,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:57:58,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:57:58,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:57:58,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:57:58,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:57:58,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:57:58,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:57:58,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:57:58,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:57:58,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:57:58,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:57:58,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:57:58,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:57:58,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:57:58,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:57:58,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:57:58,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:57:58,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:57:58,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:57:58,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 14:57:58,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:57:58,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:57:58,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:57:58,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:57:58,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:57:58,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:57:58,548 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:57:58,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:57:58,549 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:57:58,549 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:57:58,550 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:57:58,551 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:57:58,551 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:57:58,551 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:57:58,551 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:57:58,552 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:57:58,552 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:57:58,552 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:57:58,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:57:58,553 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:57:58,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:57:58,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:57:58,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:57:58,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:57:58,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:57:58,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:57:58,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:57:58,555 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:57:58,556 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:57:58,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:57:58,556 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:57:58,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:57:58,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:57:58,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:57:58,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:57:58,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:57:58,558 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:57:58,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:57:58,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:57:58,559 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:57:58,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:57:58,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:57:58,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:57:58,561 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_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2022-11-23 14:57:58,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:57:58,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:57:58,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:57:58,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:57:58,879 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:57:58,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-23 14:58:01,887 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:58:02,256 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:58:02,257 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-23 14:58:02,282 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/data/e54276ad7/942eacd5477b42c995cf079e5b540501/FLAGd0eadce65 [2022-11-23 14:58:02,307 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/data/e54276ad7/942eacd5477b42c995cf079e5b540501 [2022-11-23 14:58:02,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:58:02,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:58:02,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:58:02,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:58:02,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:58:02,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:58:02" (1/1) ... [2022-11-23 14:58:02,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c5b15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:02, skipping insertion in model container [2022-11-23 14:58:02,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:58:02" (1/1) ... [2022-11-23 14:58:02,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:58:02,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:58:03,261 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_ff74ba02-0e11-46cb-a3d6-c588667d8c23/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-23 14:58:03,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:58:03,327 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:58:03,389 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_ff74ba02-0e11-46cb-a3d6-c588667d8c23/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-23 14:58:03,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:58:03,592 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:58:03,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03 WrapperNode [2022-11-23 14:58:03,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:58:03,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:58:03,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:58:03,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:58:03,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,670 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 133 [2022-11-23 14:58:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:58:03,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:58:03,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:58:03,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:58:03,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,706 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:58:03,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:58:03,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:58:03,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:58:03,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (1/1) ... [2022-11-23 14:58:03,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:58:03,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:58:03,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:58:03,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:58:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:58:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:58:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 14:58:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:58:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:58:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:58:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:58:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-23 14:58:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-23 14:58:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:58:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:58:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:58:03,792 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:58:04,129 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:58:04,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:58:04,486 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:58:04,495 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:58:04,495 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:58:04,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:58:04 BoogieIcfgContainer [2022-11-23 14:58:04,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:58:04,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:58:04,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:58:04,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:58:04,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:58:02" (1/3) ... [2022-11-23 14:58:04,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e668b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:58:04, skipping insertion in model container [2022-11-23 14:58:04,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:03" (2/3) ... [2022-11-23 14:58:04,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e668b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:58:04, skipping insertion in model container [2022-11-23 14:58:04,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:58:04" (3/3) ... [2022-11-23 14:58:04,509 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2022-11-23 14:58:04,520 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:58:04,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:58:04,532 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:58:04,534 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 14:58:04,642 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 14:58:04,696 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 14:58:04,716 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 197 transitions, 410 flow [2022-11-23 14:58:04,722 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 197 transitions, 410 flow [2022-11-23 14:58:04,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 197 transitions, 410 flow [2022-11-23 14:58:04,860 INFO L130 PetriNetUnfolder]: 10/240 cut-off events. [2022-11-23 14:58:04,860 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 14:58:04,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 240 events. 10/240 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 417 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 141. Up to 4 conditions per place. [2022-11-23 14:58:04,870 INFO L119 LiptonReduction]: Number of co-enabled transitions 4500 [2022-11-23 14:59:06,711 INFO L134 LiptonReduction]: Checked pairs total: 10085 [2022-11-23 14:59:06,711 INFO L136 LiptonReduction]: Total number of compositions: 217 [2022-11-23 14:59:06,719 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 34 transitions, 84 flow [2022-11-23 14:59:06,775 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 439 states, 421 states have (on average 2.7672209026128267) internal successors, (1165), 438 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:06,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:59:06,800 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;@5666b43f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:59:06,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 14:59:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 439 states, 421 states have (on average 2.7672209026128267) internal successors, (1165), 438 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 14:59:06,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:06,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 14:59:06,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:06,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:06,816 INFO L85 PathProgramCache]: Analyzing trace with hash 656635913, now seen corresponding path program 1 times [2022-11-23 14:59:06,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:06,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592074756] [2022-11-23 14:59:06,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:06,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:07,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:07,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592074756] [2022-11-23 14:59:07,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592074756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:07,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:07,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:59:07,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031776242] [2022-11-23 14:59:07,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:07,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:59:07,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:07,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:59:07,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:59:07,953 INFO L87 Difference]: Start difference. First operand has 439 states, 421 states have (on average 2.7672209026128267) internal successors, (1165), 438 states have internal predecessors, (1165), 0 states have call successors, (0), 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) [2022-11-23 14:59:08,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:08,165 INFO L93 Difference]: Finished difference Result 437 states and 1103 transitions. [2022-11-23 14:59:08,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:59:08,168 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 [2022-11-23 14:59:08,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:08,181 INFO L225 Difference]: With dead ends: 437 [2022-11-23 14:59:08,181 INFO L226 Difference]: Without dead ends: 416 [2022-11-23 14:59:08,182 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 [2022-11-23 14:59:08,185 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:08,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:59:08,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-11-23 14:59:08,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2022-11-23 14:59:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 400 states have (on average 2.6075) internal successors, (1043), 415 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 1043 transitions. [2022-11-23 14:59:08,282 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 1043 transitions. Word has length 5 [2022-11-23 14:59:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:08,283 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 1043 transitions. [2022-11-23 14:59:08,283 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) [2022-11-23 14:59:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1043 transitions. [2022-11-23 14:59:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 14:59:08,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:08,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 14:59:08,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:59:08,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:08,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:08,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1119080563, now seen corresponding path program 1 times [2022-11-23 14:59:08,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:08,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742223775] [2022-11-23 14:59:08,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:08,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:08,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:08,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742223775] [2022-11-23 14:59:08,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742223775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:08,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:08,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:59:08,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320448329] [2022-11-23 14:59:08,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:08,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:59:08,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:08,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:59:08,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:59:08,887 INFO L87 Difference]: Start difference. First operand 416 states and 1043 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) [2022-11-23 14:59:09,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:09,195 INFO L93 Difference]: Finished difference Result 437 states and 1103 transitions. [2022-11-23 14:59:09,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:59:09,196 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 [2022-11-23 14:59:09,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:09,200 INFO L225 Difference]: With dead ends: 437 [2022-11-23 14:59:09,200 INFO L226 Difference]: Without dead ends: 437 [2022-11-23 14:59:09,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:59:09,202 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:09,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:09,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2022-11-23 14:59:09,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 430. [2022-11-23 14:59:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 414 states have (on average 2.6159420289855073) internal successors, (1083), 429 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1083 transitions. [2022-11-23 14:59:09,243 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 1083 transitions. Word has length 6 [2022-11-23 14:59:09,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:09,244 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 1083 transitions. [2022-11-23 14:59:09,244 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) [2022-11-23 14:59:09,244 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1083 transitions. [2022-11-23 14:59:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 14:59:09,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:09,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 14:59:09,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:59:09,246 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:09,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:09,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1118936413, now seen corresponding path program 2 times [2022-11-23 14:59:09,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:09,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355162020] [2022-11-23 14:59:09,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:09,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:09,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355162020] [2022-11-23 14:59:09,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355162020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:09,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:09,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:59:09,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186139741] [2022-11-23 14:59:09,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:09,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:59:09,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:09,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:59:09,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:59:09,835 INFO L87 Difference]: Start difference. First operand 430 states and 1083 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) [2022-11-23 14:59:10,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:10,064 INFO L93 Difference]: Finished difference Result 416 states and 1043 transitions. [2022-11-23 14:59:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:59:10,065 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 [2022-11-23 14:59:10,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:10,068 INFO L225 Difference]: With dead ends: 416 [2022-11-23 14:59:10,068 INFO L226 Difference]: Without dead ends: 416 [2022-11-23 14:59:10,068 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 [2022-11-23 14:59:10,069 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:10,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 1 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:59:10,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-11-23 14:59:10,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 402. [2022-11-23 14:59:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 386 states have (on average 2.598445595854922) internal successors, (1003), 401 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 1003 transitions. [2022-11-23 14:59:10,097 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 1003 transitions. Word has length 6 [2022-11-23 14:59:10,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:10,098 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 1003 transitions. [2022-11-23 14:59:10,098 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) [2022-11-23 14:59:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1003 transitions. [2022-11-23 14:59:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 14:59:10,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:10,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:10,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:59:10,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:10,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:10,103 INFO L85 PathProgramCache]: Analyzing trace with hash -336700977, now seen corresponding path program 1 times [2022-11-23 14:59:10,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:10,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625088322] [2022-11-23 14:59:10,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:10,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:10,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:10,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625088322] [2022-11-23 14:59:10,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625088322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:10,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:10,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:59:10,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015422933] [2022-11-23 14:59:10,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:10,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:59:10,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:10,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:59:10,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:59:10,917 INFO L87 Difference]: Start difference. First operand 402 states and 1003 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) [2022-11-23 14:59:11,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:11,137 INFO L93 Difference]: Finished difference Result 390 states and 967 transitions. [2022-11-23 14:59:11,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:59:11,138 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 [2022-11-23 14:59:11,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:11,140 INFO L225 Difference]: With dead ends: 390 [2022-11-23 14:59:11,140 INFO L226 Difference]: Without dead ends: 390 [2022-11-23 14:59:11,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:59:11,141 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:11,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:59:11,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-11-23 14:59:11,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2022-11-23 14:59:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 2.585561497326203) internal successors, (967), 389 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 967 transitions. [2022-11-23 14:59:11,156 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 967 transitions. Word has length 7 [2022-11-23 14:59:11,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:11,157 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 967 transitions. [2022-11-23 14:59:11,157 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) [2022-11-23 14:59:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 967 transitions. [2022-11-23 14:59:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:59:11,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:11,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:11,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:59:11,161 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:11,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:11,162 INFO L85 PathProgramCache]: Analyzing trace with hash -961390563, now seen corresponding path program 1 times [2022-11-23 14:59:11,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:11,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100016614] [2022-11-23 14:59:11,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:11,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:11,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:11,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100016614] [2022-11-23 14:59:11,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100016614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:11,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:11,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:59:11,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9099944] [2022-11-23 14:59:11,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:11,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:59:11,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:11,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:59:11,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:59:11,263 INFO L87 Difference]: Start difference. First operand 390 states and 967 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:11,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:11,357 INFO L93 Difference]: Finished difference Result 170 states and 379 transitions. [2022-11-23 14:59:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:59:11,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 14:59:11,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:11,359 INFO L225 Difference]: With dead ends: 170 [2022-11-23 14:59:11,359 INFO L226 Difference]: Without dead ends: 170 [2022-11-23 14:59:11,359 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 [2022-11-23 14:59:11,360 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:11,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:59:11,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-11-23 14:59:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2022-11-23 14:59:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 162 states have (on average 2.3395061728395063) internal successors, (379), 169 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) [2022-11-23 14:59:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 379 transitions. [2022-11-23 14:59:11,366 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 379 transitions. Word has length 9 [2022-11-23 14:59:11,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:11,367 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 379 transitions. [2022-11-23 14:59:11,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:11,367 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 379 transitions. [2022-11-23 14:59:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:59:11,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:11,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:11,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:59:11,368 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:11,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:11,369 INFO L85 PathProgramCache]: Analyzing trace with hash -962004642, now seen corresponding path program 1 times [2022-11-23 14:59:11,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:11,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080073972] [2022-11-23 14:59:11,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:11,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:12,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:12,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080073972] [2022-11-23 14:59:12,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080073972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:12,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:12,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:12,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906385546] [2022-11-23 14:59:12,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:12,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 14:59:12,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 14:59:12,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:59:12,131 INFO L87 Difference]: Start difference. First operand 170 states and 379 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:12,732 INFO L93 Difference]: Finished difference Result 229 states and 529 transitions. [2022-11-23 14:59:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 14:59:12,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 [2022-11-23 14:59:12,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:12,735 INFO L225 Difference]: With dead ends: 229 [2022-11-23 14:59:12,735 INFO L226 Difference]: Without dead ends: 229 [2022-11-23 14:59:12,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-23 14:59:12,736 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:12,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 0 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:12,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2022-11-23 14:59:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 201. [2022-11-23 14:59:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 193 states have (on average 2.373056994818653) internal successors, (458), 200 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 458 transitions. [2022-11-23 14:59:12,743 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 458 transitions. Word has length 9 [2022-11-23 14:59:12,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:12,744 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 458 transitions. [2022-11-23 14:59:12,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 458 transitions. [2022-11-23 14:59:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:59:12,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:12,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:12,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:59:12,745 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:12,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:12,746 INFO L85 PathProgramCache]: Analyzing trace with hash -962004689, now seen corresponding path program 1 times [2022-11-23 14:59:12,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:12,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755290295] [2022-11-23 14:59:12,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:12,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:13,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:13,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755290295] [2022-11-23 14:59:13,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755290295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:13,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:13,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:59:13,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066475989] [2022-11-23 14:59:13,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:13,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:59:13,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:13,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:59:13,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:59:13,253 INFO L87 Difference]: Start difference. First operand 201 states and 458 transitions. Second operand has 6 states, 6 states have (on average 1.5) 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) [2022-11-23 14:59:13,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:13,441 INFO L93 Difference]: Finished difference Result 198 states and 423 transitions. [2022-11-23 14:59:13,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:59:13,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) 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 [2022-11-23 14:59:13,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:13,443 INFO L225 Difference]: With dead ends: 198 [2022-11-23 14:59:13,443 INFO L226 Difference]: Without dead ends: 198 [2022-11-23 14:59:13,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:59:13,444 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:13,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 0 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:59:13,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-23 14:59:13,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 182. [2022-11-23 14:59:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 174 states have (on average 2.293103448275862) internal successors, (399), 181 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 399 transitions. [2022-11-23 14:59:13,450 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 399 transitions. Word has length 9 [2022-11-23 14:59:13,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:13,451 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 399 transitions. [2022-11-23 14:59:13,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) 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) [2022-11-23 14:59:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 399 transitions. [2022-11-23 14:59:13,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:59:13,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:13,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:13,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:59:13,452 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:13,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:13,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1432405706, now seen corresponding path program 2 times [2022-11-23 14:59:13,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:13,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830759328] [2022-11-23 14:59:13,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:13,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:14,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:14,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830759328] [2022-11-23 14:59:14,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830759328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:14,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:14,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:14,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752455806] [2022-11-23 14:59:14,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:14,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 14:59:14,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:14,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 14:59:14,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:59:14,171 INFO L87 Difference]: Start difference. First operand 182 states and 399 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:14,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:14,810 INFO L93 Difference]: Finished difference Result 230 states and 510 transitions. [2022-11-23 14:59:14,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 14:59:14,810 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 [2022-11-23 14:59:14,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:14,812 INFO L225 Difference]: With dead ends: 230 [2022-11-23 14:59:14,812 INFO L226 Difference]: Without dead ends: 230 [2022-11-23 14:59:14,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-11-23 14:59:14,813 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:14,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:14,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-23 14:59:14,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 206. [2022-11-23 14:59:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 198 states have (on average 2.323232323232323) internal successors, (460), 205 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 460 transitions. [2022-11-23 14:59:14,819 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 460 transitions. Word has length 9 [2022-11-23 14:59:14,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:14,820 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 460 transitions. [2022-11-23 14:59:14,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 460 transitions. [2022-11-23 14:59:14,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:59:14,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:14,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:14,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 14:59:14,821 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:14,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:14,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1432405753, now seen corresponding path program 2 times [2022-11-23 14:59:14,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:14,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9446748] [2022-11-23 14:59:14,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:14,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:15,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:15,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9446748] [2022-11-23 14:59:15,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9446748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:15,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:15,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:15,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976135421] [2022-11-23 14:59:15,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:15,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 14:59:15,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:15,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 14:59:15,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:59:15,554 INFO L87 Difference]: Start difference. First operand 206 states and 460 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:16,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:16,125 INFO L93 Difference]: Finished difference Result 206 states and 457 transitions. [2022-11-23 14:59:16,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:59:16,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 [2022-11-23 14:59:16,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:16,127 INFO L225 Difference]: With dead ends: 206 [2022-11-23 14:59:16,127 INFO L226 Difference]: Without dead ends: 206 [2022-11-23 14:59:16,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-11-23 14:59:16,128 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:16,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-23 14:59:16,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2022-11-23 14:59:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 198 states have (on average 2.308080808080808) internal successors, (457), 205 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 457 transitions. [2022-11-23 14:59:16,135 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 457 transitions. Word has length 9 [2022-11-23 14:59:16,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:16,135 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 457 transitions. [2022-11-23 14:59:16,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 457 transitions. [2022-11-23 14:59:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:59:16,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:16,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:16,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 14:59:16,137 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:16,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:16,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1446993686, now seen corresponding path program 3 times [2022-11-23 14:59:16,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:16,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311875661] [2022-11-23 14:59:16,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:16,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:16,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:16,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311875661] [2022-11-23 14:59:16,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311875661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:16,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:16,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:16,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806856515] [2022-11-23 14:59:16,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:16,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 14:59:16,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:16,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 14:59:16,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:59:16,756 INFO L87 Difference]: Start difference. First operand 206 states and 457 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:17,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:17,429 INFO L93 Difference]: Finished difference Result 245 states and 544 transitions. [2022-11-23 14:59:17,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 14:59:17,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 [2022-11-23 14:59:17,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:17,432 INFO L225 Difference]: With dead ends: 245 [2022-11-23 14:59:17,432 INFO L226 Difference]: Without dead ends: 245 [2022-11-23 14:59:17,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-11-23 14:59:17,433 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:17,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 0 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:17,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-11-23 14:59:17,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 218. [2022-11-23 14:59:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 210 states have (on average 2.3285714285714287) internal successors, (489), 217 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 489 transitions. [2022-11-23 14:59:17,441 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 489 transitions. Word has length 9 [2022-11-23 14:59:17,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:17,441 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 489 transitions. [2022-11-23 14:59:17,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 489 transitions. [2022-11-23 14:59:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:59:17,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:17,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:17,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 14:59:17,443 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:17,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:17,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1446993733, now seen corresponding path program 3 times [2022-11-23 14:59:17,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:17,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458476996] [2022-11-23 14:59:17,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:17,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:18,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:18,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458476996] [2022-11-23 14:59:18,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458476996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:18,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:18,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:18,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534132276] [2022-11-23 14:59:18,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:18,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 14:59:18,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:18,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 14:59:18,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:59:18,313 INFO L87 Difference]: Start difference. First operand 218 states and 489 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:18,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:18,788 INFO L93 Difference]: Finished difference Result 194 states and 422 transitions. [2022-11-23 14:59:18,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 14:59:18,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 [2022-11-23 14:59:18,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:18,790 INFO L225 Difference]: With dead ends: 194 [2022-11-23 14:59:18,790 INFO L226 Difference]: Without dead ends: 194 [2022-11-23 14:59:18,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-23 14:59:18,791 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:18,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:18,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-23 14:59:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 176. [2022-11-23 14:59:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 172 states have (on average 2.2093023255813953) internal successors, (380), 175 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 380 transitions. [2022-11-23 14:59:18,797 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 380 transitions. Word has length 9 [2022-11-23 14:59:18,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:18,798 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 380 transitions. [2022-11-23 14:59:18,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:18,798 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 380 transitions. [2022-11-23 14:59:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:59:18,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:18,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:18,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 14:59:18,800 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:18,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:18,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1444024196, now seen corresponding path program 4 times [2022-11-23 14:59:18,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:18,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506520825] [2022-11-23 14:59:18,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:18,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:19,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:19,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506520825] [2022-11-23 14:59:19,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506520825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:19,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:19,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:19,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147174495] [2022-11-23 14:59:19,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:19,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 14:59:19,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:19,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 14:59:19,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:59:19,446 INFO L87 Difference]: Start difference. First operand 176 states and 380 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:20,287 INFO L93 Difference]: Finished difference Result 194 states and 411 transitions. [2022-11-23 14:59:20,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 14:59:20,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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 [2022-11-23 14:59:20,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:20,289 INFO L225 Difference]: With dead ends: 194 [2022-11-23 14:59:20,289 INFO L226 Difference]: Without dead ends: 194 [2022-11-23 14:59:20,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-11-23 14:59:20,290 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:20,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:20,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-23 14:59:20,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 146. [2022-11-23 14:59:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 142 states have (on average 2.1338028169014085) internal successors, (303), 145 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 303 transitions. [2022-11-23 14:59:20,296 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 303 transitions. Word has length 9 [2022-11-23 14:59:20,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:20,296 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 303 transitions. [2022-11-23 14:59:20,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2022-11-23 14:59:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 303 transitions. [2022-11-23 14:59:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:20,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:20,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:20,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 14:59:20,298 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:20,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:20,298 INFO L85 PathProgramCache]: Analyzing trace with hash 2146824836, now seen corresponding path program 1 times [2022-11-23 14:59:20,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:20,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001420353] [2022-11-23 14:59:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:20,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:21,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:21,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001420353] [2022-11-23 14:59:21,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001420353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:21,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:21,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:59:21,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639479214] [2022-11-23 14:59:21,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:21,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:59:21,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:21,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:59:21,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:59:21,084 INFO L87 Difference]: Start difference. First operand 146 states and 303 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:21,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:21,716 INFO L93 Difference]: Finished difference Result 194 states and 402 transitions. [2022-11-23 14:59:21,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 14:59:21,717 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:21,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:21,718 INFO L225 Difference]: With dead ends: 194 [2022-11-23 14:59:21,718 INFO L226 Difference]: Without dead ends: 176 [2022-11-23 14:59:21,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-11-23 14:59:21,719 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:21,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:21,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-23 14:59:21,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 158. [2022-11-23 14:59:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 154 states have (on average 2.1363636363636362) internal successors, (329), 157 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 329 transitions. [2022-11-23 14:59:21,724 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 329 transitions. Word has length 11 [2022-11-23 14:59:21,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:21,724 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 329 transitions. [2022-11-23 14:59:21,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 329 transitions. [2022-11-23 14:59:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:21,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:21,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:21,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 14:59:21,726 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:21,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:21,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2142526701, now seen corresponding path program 1 times [2022-11-23 14:59:21,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:21,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610648044] [2022-11-23 14:59:21,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:21,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:22,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:22,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610648044] [2022-11-23 14:59:22,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610648044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:22,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:22,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:22,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586449863] [2022-11-23 14:59:22,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:22,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:59:22,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:59:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:59:22,166 INFO L87 Difference]: Start difference. First operand 158 states and 329 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:22,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:22,690 INFO L93 Difference]: Finished difference Result 259 states and 511 transitions. [2022-11-23 14:59:22,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 14:59:22,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:22,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:22,692 INFO L225 Difference]: With dead ends: 259 [2022-11-23 14:59:22,692 INFO L226 Difference]: Without dead ends: 259 [2022-11-23 14:59:22,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-23 14:59:22,692 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 104 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:22,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 3 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:22,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-11-23 14:59:22,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 178. [2022-11-23 14:59:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 174 states have (on average 2.1494252873563218) internal successors, (374), 177 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 374 transitions. [2022-11-23 14:59:22,698 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 374 transitions. Word has length 11 [2022-11-23 14:59:22,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:22,698 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 374 transitions. [2022-11-23 14:59:22,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 374 transitions. [2022-11-23 14:59:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:22,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:22,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:22,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 14:59:22,701 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:22,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:22,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2142526728, now seen corresponding path program 1 times [2022-11-23 14:59:22,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:22,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552040274] [2022-11-23 14:59:22,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:22,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:23,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:23,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552040274] [2022-11-23 14:59:23,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552040274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:23,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:23,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:59:23,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587414824] [2022-11-23 14:59:23,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:23,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:59:23,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:23,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:59:23,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:59:23,480 INFO L87 Difference]: Start difference. First operand 178 states and 374 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:24,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:24,176 INFO L93 Difference]: Finished difference Result 186 states and 381 transitions. [2022-11-23 14:59:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 14:59:24,177 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:24,178 INFO L225 Difference]: With dead ends: 186 [2022-11-23 14:59:24,178 INFO L226 Difference]: Without dead ends: 186 [2022-11-23 14:59:24,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-11-23 14:59:24,179 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:24,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 0 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:24,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-11-23 14:59:24,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 178. [2022-11-23 14:59:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 174 states have (on average 2.1091954022988504) internal successors, (367), 177 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) [2022-11-23 14:59:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 367 transitions. [2022-11-23 14:59:24,187 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 367 transitions. Word has length 11 [2022-11-23 14:59:24,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:24,187 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 367 transitions. [2022-11-23 14:59:24,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 367 transitions. [2022-11-23 14:59:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:24,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:24,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:24,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 14:59:24,189 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:24,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:24,189 INFO L85 PathProgramCache]: Analyzing trace with hash 925579297, now seen corresponding path program 2 times [2022-11-23 14:59:24,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:24,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145956928] [2022-11-23 14:59:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:24,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:24,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:24,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145956928] [2022-11-23 14:59:24,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145956928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:24,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:24,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:59:24,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318942380] [2022-11-23 14:59:24,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:24,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:59:24,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:24,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:59:24,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:59:24,989 INFO L87 Difference]: Start difference. First operand 178 states and 367 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:25,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:25,603 INFO L93 Difference]: Finished difference Result 236 states and 476 transitions. [2022-11-23 14:59:25,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:59:25,603 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:25,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:25,607 INFO L225 Difference]: With dead ends: 236 [2022-11-23 14:59:25,607 INFO L226 Difference]: Without dead ends: 236 [2022-11-23 14:59:25,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-11-23 14:59:25,608 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:25,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 0 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:25,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-11-23 14:59:25,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 196. [2022-11-23 14:59:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 192 states have (on average 2.1197916666666665) internal successors, (407), 195 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 407 transitions. [2022-11-23 14:59:25,614 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 407 transitions. Word has length 11 [2022-11-23 14:59:25,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:25,615 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 407 transitions. [2022-11-23 14:59:25,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 407 transitions. [2022-11-23 14:59:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:25,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:25,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:25,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 14:59:25,616 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:25,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:25,617 INFO L85 PathProgramCache]: Analyzing trace with hash 925579324, now seen corresponding path program 2 times [2022-11-23 14:59:25,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:25,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364185117] [2022-11-23 14:59:25,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:25,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:26,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:26,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364185117] [2022-11-23 14:59:26,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364185117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:26,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:26,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:59:26,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686051784] [2022-11-23 14:59:26,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:26,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:59:26,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:26,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:59:26,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:59:26,377 INFO L87 Difference]: Start difference. First operand 196 states and 407 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:27,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:27,069 INFO L93 Difference]: Finished difference Result 235 states and 463 transitions. [2022-11-23 14:59:27,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 14:59:27,069 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:27,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:27,070 INFO L225 Difference]: With dead ends: 235 [2022-11-23 14:59:27,070 INFO L226 Difference]: Without dead ends: 235 [2022-11-23 14:59:27,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-11-23 14:59:27,071 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 71 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:27,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 0 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:27,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-11-23 14:59:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 196. [2022-11-23 14:59:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 192 states have (on average 2.1041666666666665) internal successors, (404), 195 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) [2022-11-23 14:59:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 404 transitions. [2022-11-23 14:59:27,077 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 404 transitions. Word has length 11 [2022-11-23 14:59:27,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:27,077 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 404 transitions. [2022-11-23 14:59:27,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 404 transitions. [2022-11-23 14:59:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:27,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:27,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:27,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 14:59:27,078 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:27,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:27,079 INFO L85 PathProgramCache]: Analyzing trace with hash 929810797, now seen corresponding path program 3 times [2022-11-23 14:59:27,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:27,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520062867] [2022-11-23 14:59:27,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:27,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:27,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:27,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520062867] [2022-11-23 14:59:27,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520062867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:27,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:27,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:27,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093257445] [2022-11-23 14:59:27,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:27,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:59:27,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:27,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:59:27,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:59:27,528 INFO L87 Difference]: Start difference. First operand 196 states and 404 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:28,026 INFO L93 Difference]: Finished difference Result 248 states and 490 transitions. [2022-11-23 14:59:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 14:59:28,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:28,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:28,028 INFO L225 Difference]: With dead ends: 248 [2022-11-23 14:59:28,028 INFO L226 Difference]: Without dead ends: 248 [2022-11-23 14:59:28,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-23 14:59:28,029 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 80 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:28,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 3 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:28,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-23 14:59:28,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 196. [2022-11-23 14:59:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 192 states have (on average 2.1041666666666665) internal successors, (404), 195 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) [2022-11-23 14:59:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 404 transitions. [2022-11-23 14:59:28,035 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 404 transitions. Word has length 11 [2022-11-23 14:59:28,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:28,036 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 404 transitions. [2022-11-23 14:59:28,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 404 transitions. [2022-11-23 14:59:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:28,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:28,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:28,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 14:59:28,037 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:28,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:28,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1012677944, now seen corresponding path program 2 times [2022-11-23 14:59:28,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:28,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794085336] [2022-11-23 14:59:28,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:28,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:28,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:28,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794085336] [2022-11-23 14:59:28,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794085336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:28,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:28,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:28,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868349916] [2022-11-23 14:59:28,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:28,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:28,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:28,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:28,890 INFO L87 Difference]: Start difference. First operand 196 states and 404 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:29,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:29,942 INFO L93 Difference]: Finished difference Result 241 states and 498 transitions. [2022-11-23 14:59:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 14:59:29,942 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:29,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:29,943 INFO L225 Difference]: With dead ends: 241 [2022-11-23 14:59:29,944 INFO L226 Difference]: Without dead ends: 241 [2022-11-23 14:59:29,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-23 14:59:29,945 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:29,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:59:29,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-11-23 14:59:29,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 220. [2022-11-23 14:59:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 216 states have (on average 2.125) internal successors, (459), 219 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 459 transitions. [2022-11-23 14:59:29,953 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 459 transitions. Word has length 11 [2022-11-23 14:59:29,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:29,953 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 459 transitions. [2022-11-23 14:59:29,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 459 transitions. [2022-11-23 14:59:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:29,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:29,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:29,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 14:59:29,955 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:29,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1012677832, now seen corresponding path program 1 times [2022-11-23 14:59:29,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:29,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56361668] [2022-11-23 14:59:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:30,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:30,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56361668] [2022-11-23 14:59:30,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56361668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:30,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:30,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:30,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148683636] [2022-11-23 14:59:30,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:30,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:30,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:30,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:30,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:30,907 INFO L87 Difference]: Start difference. First operand 220 states and 459 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:32,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:32,079 INFO L93 Difference]: Finished difference Result 241 states and 492 transitions. [2022-11-23 14:59:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 14:59:32,080 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:32,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:32,081 INFO L225 Difference]: With dead ends: 241 [2022-11-23 14:59:32,082 INFO L226 Difference]: Without dead ends: 223 [2022-11-23 14:59:32,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-23 14:59:32,083 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 64 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:32,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 0 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:59:32,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-23 14:59:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 202. [2022-11-23 14:59:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 198 states have (on average 2.090909090909091) internal successors, (414), 201 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 414 transitions. [2022-11-23 14:59:32,092 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 414 transitions. Word has length 11 [2022-11-23 14:59:32,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:32,092 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 414 transitions. [2022-11-23 14:59:32,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 414 transitions. [2022-11-23 14:59:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:32,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:32,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:32,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 14:59:32,094 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:32,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:32,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1008379809, now seen corresponding path program 4 times [2022-11-23 14:59:32,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:32,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882534223] [2022-11-23 14:59:32,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:32,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:32,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:32,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882534223] [2022-11-23 14:59:32,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882534223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:32,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:32,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 14:59:32,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462408956] [2022-11-23 14:59:32,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:32,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:59:32,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:32,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:59:32,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:59:32,490 INFO L87 Difference]: Start difference. First operand 202 states and 414 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:32,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:32,937 INFO L93 Difference]: Finished difference Result 219 states and 423 transitions. [2022-11-23 14:59:32,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 14:59:32,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:32,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:32,939 INFO L225 Difference]: With dead ends: 219 [2022-11-23 14:59:32,939 INFO L226 Difference]: Without dead ends: 219 [2022-11-23 14:59:32,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-23 14:59:32,940 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 95 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:32,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 6 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:32,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-11-23 14:59:32,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 183. [2022-11-23 14:59:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 179 states have (on average 2.0614525139664805) internal successors, (369), 182 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 369 transitions. [2022-11-23 14:59:32,946 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 369 transitions. Word has length 11 [2022-11-23 14:59:32,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:32,946 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 369 transitions. [2022-11-23 14:59:32,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:32,947 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 369 transitions. [2022-11-23 14:59:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:32,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:32,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:32,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 14:59:32,948 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:32,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:32,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1008379836, now seen corresponding path program 3 times [2022-11-23 14:59:32,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:32,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926347540] [2022-11-23 14:59:32,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:32,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:33,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:33,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926347540] [2022-11-23 14:59:33,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926347540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:33,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:33,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:59:33,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384837886] [2022-11-23 14:59:33,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:33,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:59:33,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:33,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:59:33,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:59:33,631 INFO L87 Difference]: Start difference. First operand 183 states and 369 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:34,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:34,186 INFO L93 Difference]: Finished difference Result 214 states and 422 transitions. [2022-11-23 14:59:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 14:59:34,187 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:34,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:34,188 INFO L225 Difference]: With dead ends: 214 [2022-11-23 14:59:34,188 INFO L226 Difference]: Without dead ends: 214 [2022-11-23 14:59:34,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-11-23 14:59:34,189 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:34,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 0 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:34,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-11-23 14:59:34,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 164. [2022-11-23 14:59:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 160 states have (on average 2.08125) internal successors, (333), 163 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 333 transitions. [2022-11-23 14:59:34,194 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 333 transitions. Word has length 11 [2022-11-23 14:59:34,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:34,194 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 333 transitions. [2022-11-23 14:59:34,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 333 transitions. [2022-11-23 14:59:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:34,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:34,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:34,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-23 14:59:34,198 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:34,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:34,198 INFO L85 PathProgramCache]: Analyzing trace with hash 959054144, now seen corresponding path program 3 times [2022-11-23 14:59:34,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:34,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632736362] [2022-11-23 14:59:34,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:34,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:35,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:35,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632736362] [2022-11-23 14:59:35,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632736362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:35,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:35,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:35,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493839630] [2022-11-23 14:59:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:35,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:35,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:35,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:35,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:35,103 INFO L87 Difference]: Start difference. First operand 164 states and 333 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:36,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:36,169 INFO L93 Difference]: Finished difference Result 194 states and 393 transitions. [2022-11-23 14:59:36,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 14:59:36,170 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:36,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:36,171 INFO L225 Difference]: With dead ends: 194 [2022-11-23 14:59:36,171 INFO L226 Difference]: Without dead ends: 194 [2022-11-23 14:59:36,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-11-23 14:59:36,172 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 66 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:36,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 0 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:36,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-23 14:59:36,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 182. [2022-11-23 14:59:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 178 states have (on average 2.0898876404494384) internal successors, (372), 181 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 372 transitions. [2022-11-23 14:59:36,178 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 372 transitions. Word has length 11 [2022-11-23 14:59:36,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:36,178 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 372 transitions. [2022-11-23 14:59:36,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 372 transitions. [2022-11-23 14:59:36,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:36,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:36,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:36,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-23 14:59:36,180 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:36,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:36,180 INFO L85 PathProgramCache]: Analyzing trace with hash 959054032, now seen corresponding path program 2 times [2022-11-23 14:59:36,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:36,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363502203] [2022-11-23 14:59:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:36,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:37,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:37,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363502203] [2022-11-23 14:59:37,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363502203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:37,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:37,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:37,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827330328] [2022-11-23 14:59:37,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:37,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:37,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:37,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:37,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:37,081 INFO L87 Difference]: Start difference. First operand 182 states and 372 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:38,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:38,211 INFO L93 Difference]: Finished difference Result 194 states and 387 transitions. [2022-11-23 14:59:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 14:59:38,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:38,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:38,212 INFO L225 Difference]: With dead ends: 194 [2022-11-23 14:59:38,213 INFO L226 Difference]: Without dead ends: 176 [2022-11-23 14:59:38,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-11-23 14:59:38,214 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:38,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:59:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-23 14:59:38,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 164. [2022-11-23 14:59:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 160 states have (on average 2.0625) internal successors, (330), 163 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 330 transitions. [2022-11-23 14:59:38,219 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 330 transitions. Word has length 11 [2022-11-23 14:59:38,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:38,220 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 330 transitions. [2022-11-23 14:59:38,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:38,220 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 330 transitions. [2022-11-23 14:59:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:38,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:38,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:38,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-23 14:59:38,221 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:38,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:38,222 INFO L85 PathProgramCache]: Analyzing trace with hash 954960284, now seen corresponding path program 4 times [2022-11-23 14:59:38,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:38,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750569987] [2022-11-23 14:59:38,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:38,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:39,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:39,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750569987] [2022-11-23 14:59:39,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750569987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:39,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:39,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:39,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289215045] [2022-11-23 14:59:39,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:39,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:39,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:39,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:39,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:39,045 INFO L87 Difference]: Start difference. First operand 164 states and 330 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:39,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:39,865 INFO L93 Difference]: Finished difference Result 214 states and 424 transitions. [2022-11-23 14:59:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 14:59:39,866 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:39,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:39,867 INFO L225 Difference]: With dead ends: 214 [2022-11-23 14:59:39,867 INFO L226 Difference]: Without dead ends: 214 [2022-11-23 14:59:39,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2022-11-23 14:59:39,868 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:39,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 0 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-11-23 14:59:39,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 176. [2022-11-23 14:59:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 172 states have (on average 2.0697674418604652) internal successors, (356), 175 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:39,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 356 transitions. [2022-11-23 14:59:39,874 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 356 transitions. Word has length 11 [2022-11-23 14:59:39,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:39,874 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 356 transitions. [2022-11-23 14:59:39,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 356 transitions. [2022-11-23 14:59:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:39,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:39,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:39,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-23 14:59:39,876 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:39,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:39,876 INFO L85 PathProgramCache]: Analyzing trace with hash 954960172, now seen corresponding path program 3 times [2022-11-23 14:59:39,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:39,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250060509] [2022-11-23 14:59:39,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:39,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:40,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:40,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250060509] [2022-11-23 14:59:40,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250060509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:40,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:40,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:59:40,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3615260] [2022-11-23 14:59:40,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:40,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 14:59:40,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:40,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 14:59:40,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-23 14:59:40,578 INFO L87 Difference]: Start difference. First operand 176 states and 356 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:41,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:41,423 INFO L93 Difference]: Finished difference Result 203 states and 396 transitions. [2022-11-23 14:59:41,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 14:59:41,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:41,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:41,425 INFO L225 Difference]: With dead ends: 203 [2022-11-23 14:59:41,425 INFO L226 Difference]: Without dead ends: 191 [2022-11-23 14:59:41,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-23 14:59:41,425 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:41,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:41,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-23 14:59:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 170. [2022-11-23 14:59:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 166 states have (on average 2.0301204819277108) internal successors, (337), 169 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:41,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 337 transitions. [2022-11-23 14:59:41,431 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 337 transitions. Word has length 11 [2022-11-23 14:59:41,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:41,431 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 337 transitions. [2022-11-23 14:59:41,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 337 transitions. [2022-11-23 14:59:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:41,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:41,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:41,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-23 14:59:41,433 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:41,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:41,433 INFO L85 PathProgramCache]: Analyzing trace with hash -428609462, now seen corresponding path program 5 times [2022-11-23 14:59:41,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:41,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140091548] [2022-11-23 14:59:41,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:41,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:42,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:42,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140091548] [2022-11-23 14:59:42,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140091548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:42,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:42,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:42,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431288981] [2022-11-23 14:59:42,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:42,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:42,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:42,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:42,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:42,336 INFO L87 Difference]: Start difference. First operand 170 states and 337 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:43,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:43,402 INFO L93 Difference]: Finished difference Result 188 states and 368 transitions. [2022-11-23 14:59:43,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 14:59:43,402 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:43,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:43,403 INFO L225 Difference]: With dead ends: 188 [2022-11-23 14:59:43,403 INFO L226 Difference]: Without dead ends: 188 [2022-11-23 14:59:43,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-11-23 14:59:43,404 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:43,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 0 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:59:43,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-11-23 14:59:43,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 158. [2022-11-23 14:59:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 155 states have (on average 2.0258064516129033) internal successors, (314), 157 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:43,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 314 transitions. [2022-11-23 14:59:43,410 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 314 transitions. Word has length 11 [2022-11-23 14:59:43,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:43,410 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 314 transitions. [2022-11-23 14:59:43,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:43,410 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 314 transitions. [2022-11-23 14:59:43,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:59:43,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:43,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:43,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-23 14:59:43,411 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:43,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:43,411 INFO L85 PathProgramCache]: Analyzing trace with hash -428609574, now seen corresponding path program 4 times [2022-11-23 14:59:43,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:43,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131775697] [2022-11-23 14:59:43,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:43,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:44,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:44,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131775697] [2022-11-23 14:59:44,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131775697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:44,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:44,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:44,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017942814] [2022-11-23 14:59:44,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:44,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:44,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:44,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:44,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:44,142 INFO L87 Difference]: Start difference. First operand 158 states and 314 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:45,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:45,203 INFO L93 Difference]: Finished difference Result 185 states and 357 transitions. [2022-11-23 14:59:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 14:59:45,204 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:59:45,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:45,205 INFO L225 Difference]: With dead ends: 185 [2022-11-23 14:59:45,205 INFO L226 Difference]: Without dead ends: 167 [2022-11-23 14:59:45,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-11-23 14:59:45,206 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 62 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:45,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 0 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:45,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-11-23 14:59:45,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 131. [2022-11-23 14:59:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.9375) internal successors, (248), 130 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 248 transitions. [2022-11-23 14:59:45,211 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 248 transitions. Word has length 11 [2022-11-23 14:59:45,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:45,211 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 248 transitions. [2022-11-23 14:59:45,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:45,212 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 248 transitions. [2022-11-23 14:59:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:59:45,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:45,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:45,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-23 14:59:45,213 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:45,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:45,213 INFO L85 PathProgramCache]: Analyzing trace with hash -2131587832, now seen corresponding path program 1 times [2022-11-23 14:59:45,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:45,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051665959] [2022-11-23 14:59:45,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:45,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:45,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051665959] [2022-11-23 14:59:45,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051665959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:45,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:45,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:45,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208248130] [2022-11-23 14:59:45,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:45,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:45,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:45,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:45,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:45,915 INFO L87 Difference]: Start difference. First operand 131 states and 248 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:46,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:46,494 INFO L93 Difference]: Finished difference Result 155 states and 287 transitions. [2022-11-23 14:59:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 14:59:46,495 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 14:59:46,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:46,496 INFO L225 Difference]: With dead ends: 155 [2022-11-23 14:59:46,496 INFO L226 Difference]: Without dead ends: 155 [2022-11-23 14:59:46,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-23 14:59:46,497 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:46,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-23 14:59:46,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 149. [2022-11-23 14:59:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 146 states have (on average 1.9315068493150684) internal successors, (282), 148 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 282 transitions. [2022-11-23 14:59:46,502 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 282 transitions. Word has length 12 [2022-11-23 14:59:46,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:46,502 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 282 transitions. [2022-11-23 14:59:46,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 282 transitions. [2022-11-23 14:59:46,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:59:46,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:46,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:46,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-23 14:59:46,503 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:46,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:46,504 INFO L85 PathProgramCache]: Analyzing trace with hash -2131587805, now seen corresponding path program 1 times [2022-11-23 14:59:46,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:46,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369810931] [2022-11-23 14:59:46,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:46,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:47,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:47,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369810931] [2022-11-23 14:59:47,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369810931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:47,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:47,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:47,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817876654] [2022-11-23 14:59:47,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:47,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:47,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:47,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:47,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:47,182 INFO L87 Difference]: Start difference. First operand 149 states and 282 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:47,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:47,924 INFO L93 Difference]: Finished difference Result 151 states and 279 transitions. [2022-11-23 14:59:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 14:59:47,924 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 14:59:47,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:47,925 INFO L225 Difference]: With dead ends: 151 [2022-11-23 14:59:47,925 INFO L226 Difference]: Without dead ends: 151 [2022-11-23 14:59:47,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2022-11-23 14:59:47,927 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:47,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 0 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:47,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-23 14:59:47,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 137. [2022-11-23 14:59:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.9253731343283582) internal successors, (258), 136 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 258 transitions. [2022-11-23 14:59:47,931 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 258 transitions. Word has length 12 [2022-11-23 14:59:47,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:47,932 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 258 transitions. [2022-11-23 14:59:47,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2022-11-23 14:59:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:59:47,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:47,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:47,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-23 14:59:47,933 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:47,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:47,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1100804648, now seen corresponding path program 2 times [2022-11-23 14:59:47,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:47,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755491680] [2022-11-23 14:59:47,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:47,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:48,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:48,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755491680] [2022-11-23 14:59:48,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755491680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:48,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:48,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:48,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283974822] [2022-11-23 14:59:48,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:48,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:48,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:48,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:48,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:48,640 INFO L87 Difference]: Start difference. First operand 137 states and 258 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:49,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:49,207 INFO L93 Difference]: Finished difference Result 193 states and 350 transitions. [2022-11-23 14:59:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 14:59:49,207 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 14:59:49,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:49,208 INFO L225 Difference]: With dead ends: 193 [2022-11-23 14:59:49,208 INFO L226 Difference]: Without dead ends: 193 [2022-11-23 14:59:49,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2022-11-23 14:59:49,209 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:49,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 0 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:49,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-23 14:59:49,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 154. [2022-11-23 14:59:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 151 states have (on average 1.9205298013245033) internal successors, (290), 153 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:49,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 290 transitions. [2022-11-23 14:59:49,214 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 290 transitions. Word has length 12 [2022-11-23 14:59:49,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:49,214 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 290 transitions. [2022-11-23 14:59:49,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:49,217 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 290 transitions. [2022-11-23 14:59:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:59:49,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:49,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:49,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-23 14:59:49,218 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:49,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:49,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1100804675, now seen corresponding path program 2 times [2022-11-23 14:59:49,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:49,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121506786] [2022-11-23 14:59:49,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:49,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:49,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:49,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121506786] [2022-11-23 14:59:49,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121506786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:49,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:49,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:49,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837047571] [2022-11-23 14:59:49,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:49,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:49,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:49,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:49,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:49,779 INFO L87 Difference]: Start difference. First operand 154 states and 290 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:50,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:50,525 INFO L93 Difference]: Finished difference Result 194 states and 349 transitions. [2022-11-23 14:59:50,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 14:59:50,526 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 14:59:50,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:50,527 INFO L225 Difference]: With dead ends: 194 [2022-11-23 14:59:50,527 INFO L226 Difference]: Without dead ends: 194 [2022-11-23 14:59:50,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:59:50,528 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 102 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:50,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 0 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:50,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-23 14:59:50,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 154. [2022-11-23 14:59:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 151 states have (on average 1.9205298013245033) internal successors, (290), 153 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 290 transitions. [2022-11-23 14:59:50,533 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 290 transitions. Word has length 12 [2022-11-23 14:59:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:50,534 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 290 transitions. [2022-11-23 14:59:50,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 290 transitions. [2022-11-23 14:59:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:59:50,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:50,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:50,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-23 14:59:50,535 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:50,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:50,535 INFO L85 PathProgramCache]: Analyzing trace with hash 560991728, now seen corresponding path program 3 times [2022-11-23 14:59:50,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:50,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073735795] [2022-11-23 14:59:50,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:50,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:51,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:51,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073735795] [2022-11-23 14:59:51,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073735795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:51,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:51,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:51,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401412829] [2022-11-23 14:59:51,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:51,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:51,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:51,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:51,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:51,066 INFO L87 Difference]: Start difference. First operand 154 states and 290 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:51,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:51,675 INFO L93 Difference]: Finished difference Result 165 states and 302 transitions. [2022-11-23 14:59:51,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:59:51,675 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 14:59:51,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:51,677 INFO L225 Difference]: With dead ends: 165 [2022-11-23 14:59:51,677 INFO L226 Difference]: Without dead ends: 165 [2022-11-23 14:59:51,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-11-23 14:59:51,678 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:51,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-23 14:59:51,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 136. [2022-11-23 14:59:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 133 states have (on average 1.9248120300751879) internal successors, (256), 135 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 256 transitions. [2022-11-23 14:59:51,682 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 256 transitions. Word has length 12 [2022-11-23 14:59:51,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:51,683 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 256 transitions. [2022-11-23 14:59:51,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 256 transitions. [2022-11-23 14:59:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:59:51,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:51,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:51,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-23 14:59:51,684 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:51,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:51,685 INFO L85 PathProgramCache]: Analyzing trace with hash -462657853, now seen corresponding path program 1 times [2022-11-23 14:59:51,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:51,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843170214] [2022-11-23 14:59:51,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:51,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:52,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:52,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843170214] [2022-11-23 14:59:52,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843170214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:52,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:52,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 14:59:52,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421847495] [2022-11-23 14:59:52,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:52,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 14:59:52,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:52,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 14:59:52,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-23 14:59:52,436 INFO L87 Difference]: Start difference. First operand 136 states and 256 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) [2022-11-23 14:59:53,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:53,198 INFO L93 Difference]: Finished difference Result 153 states and 286 transitions. [2022-11-23 14:59:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 14:59:53,198 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 [2022-11-23 14:59:53,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:53,199 INFO L225 Difference]: With dead ends: 153 [2022-11-23 14:59:53,200 INFO L226 Difference]: Without dead ends: 138 [2022-11-23 14:59:53,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2022-11-23 14:59:53,201 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:53,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 0 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:53,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-23 14:59:53,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 118. [2022-11-23 14:59:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.9482758620689655) internal successors, (226), 117 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 226 transitions. [2022-11-23 14:59:53,205 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 226 transitions. Word has length 12 [2022-11-23 14:59:53,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:53,205 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 226 transitions. [2022-11-23 14:59:53,205 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) [2022-11-23 14:59:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 226 transitions. [2022-11-23 14:59:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:59:53,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:53,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:53,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-23 14:59:53,207 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:53,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:53,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1041177660, now seen corresponding path program 4 times [2022-11-23 14:59:53,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:53,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550142324] [2022-11-23 14:59:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:53,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:53,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:53,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550142324] [2022-11-23 14:59:53,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550142324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:53,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:53,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:53,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27248686] [2022-11-23 14:59:53,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:53,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:53,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:53,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:53,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:53,826 INFO L87 Difference]: Start difference. First operand 118 states and 226 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:54,321 INFO L93 Difference]: Finished difference Result 141 states and 258 transitions. [2022-11-23 14:59:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:59:54,321 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 14:59:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:54,322 INFO L225 Difference]: With dead ends: 141 [2022-11-23 14:59:54,322 INFO L226 Difference]: Without dead ends: 141 [2022-11-23 14:59:54,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-11-23 14:59:54,323 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:54,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 0 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:54,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-23 14:59:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 114. [2022-11-23 14:59:54,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 112 states have (on average 1.9464285714285714) internal successors, (218), 113 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 218 transitions. [2022-11-23 14:59:54,326 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 218 transitions. Word has length 12 [2022-11-23 14:59:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:54,327 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 218 transitions. [2022-11-23 14:59:54,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 218 transitions. [2022-11-23 14:59:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:59:54,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:54,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:54,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-23 14:59:54,328 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:54,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1041177633, now seen corresponding path program 3 times [2022-11-23 14:59:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:54,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787386969] [2022-11-23 14:59:54,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:55,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:55,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787386969] [2022-11-23 14:59:55,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787386969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:55,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:55,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 14:59:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812042927] [2022-11-23 14:59:55,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:55,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 14:59:55,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:55,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 14:59:55,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-23 14:59:55,059 INFO L87 Difference]: Start difference. First operand 114 states and 218 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:55,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:55,770 INFO L93 Difference]: Finished difference Result 129 states and 239 transitions. [2022-11-23 14:59:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 14:59:55,771 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 14:59:55,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:55,772 INFO L225 Difference]: With dead ends: 129 [2022-11-23 14:59:55,772 INFO L226 Difference]: Without dead ends: 129 [2022-11-23 14:59:55,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-11-23 14:59:55,773 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 78 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:55,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 0 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 14:59:55,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-23 14:59:55,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 93. [2022-11-23 14:59:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 91 states have (on average 2.0) internal successors, (182), 92 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 182 transitions. [2022-11-23 14:59:55,776 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 182 transitions. Word has length 12 [2022-11-23 14:59:55,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:55,777 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 182 transitions. [2022-11-23 14:59:55,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 182 transitions. [2022-11-23 14:59:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:59:55,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:55,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:55,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-23 14:59:55,788 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:55,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:55,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1384054071, now seen corresponding path program 1 times [2022-11-23 14:59:55,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:55,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466810617] [2022-11-23 14:59:55,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:57,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:57,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466810617] [2022-11-23 14:59:57,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466810617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:57,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:57,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 14:59:57,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801280319] [2022-11-23 14:59:57,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:57,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 14:59:57,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:57,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 14:59:57,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:59:57,101 INFO L87 Difference]: Start difference. First operand 93 states and 182 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:57,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:57,800 INFO L93 Difference]: Finished difference Result 115 states and 213 transitions. [2022-11-23 14:59:57,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 14:59:57,800 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 14:59:57,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:57,801 INFO L225 Difference]: With dead ends: 115 [2022-11-23 14:59:57,801 INFO L226 Difference]: Without dead ends: 115 [2022-11-23 14:59:57,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2022-11-23 14:59:57,802 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:57,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:57,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-23 14:59:57,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 103. [2022-11-23 14:59:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 101 states have (on average 1.9504950495049505) internal successors, (197), 102 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) [2022-11-23 14:59:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 197 transitions. [2022-11-23 14:59:57,805 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 197 transitions. Word has length 16 [2022-11-23 14:59:57,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:57,806 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 197 transitions. [2022-11-23 14:59:57,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 197 transitions. [2022-11-23 14:59:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:59:57,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:57,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:57,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-23 14:59:57,807 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:57,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:57,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1384054044, now seen corresponding path program 1 times [2022-11-23 14:59:57,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:57,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120188648] [2022-11-23 14:59:57,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:57,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:59:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:59:58,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:59:58,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120188648] [2022-11-23 14:59:58,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120188648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:59:58,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:59:58,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 14:59:58,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221272680] [2022-11-23 14:59:58,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:59:58,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 14:59:58,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:59:58,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 14:59:58,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:59:58,958 INFO L87 Difference]: Start difference. First operand 103 states and 197 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:59,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:59:59,854 INFO L93 Difference]: Finished difference Result 115 states and 211 transitions. [2022-11-23 14:59:59,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 14:59:59,855 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 14:59:59,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:59:59,855 INFO L225 Difference]: With dead ends: 115 [2022-11-23 14:59:59,855 INFO L226 Difference]: Without dead ends: 109 [2022-11-23 14:59:59,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2022-11-23 14:59:59,856 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:59:59,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 0 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:59:59,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-23 14:59:59,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 97. [2022-11-23 14:59:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 95 states have (on average 1.9684210526315788) internal successors, (187), 96 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 187 transitions. [2022-11-23 14:59:59,859 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 187 transitions. Word has length 16 [2022-11-23 14:59:59,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:59:59,859 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 187 transitions. [2022-11-23 14:59:59,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:59:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2022-11-23 14:59:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:59:59,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:59,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:59,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-23 14:59:59,860 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 14:59:59,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:59,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1382024811, now seen corresponding path program 2 times [2022-11-23 14:59:59,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:59,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820547293] [2022-11-23 14:59:59,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:59,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:01,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:01,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:01,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820547293] [2022-11-23 15:00:01,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820547293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:01,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:01,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:01,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714608445] [2022-11-23 15:00:01,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:01,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:01,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:01,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:01,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:01,049 INFO L87 Difference]: Start difference. First operand 97 states and 187 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:01,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:01,746 INFO L93 Difference]: Finished difference Result 107 states and 200 transitions. [2022-11-23 15:00:01,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:00:01,746 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:01,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:01,747 INFO L225 Difference]: With dead ends: 107 [2022-11-23 15:00:01,747 INFO L226 Difference]: Without dead ends: 107 [2022-11-23 15:00:01,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:01,748 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:01,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 0 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:01,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-23 15:00:01,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2022-11-23 15:00:01,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.9320388349514563) internal successors, (199), 104 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 199 transitions. [2022-11-23 15:00:01,751 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 199 transitions. Word has length 16 [2022-11-23 15:00:01,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:01,751 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 199 transitions. [2022-11-23 15:00:01,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 199 transitions. [2022-11-23 15:00:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:01,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:01,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:01,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-23 15:00:01,752 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:01,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1382024784, now seen corresponding path program 2 times [2022-11-23 15:00:01,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:01,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115652816] [2022-11-23 15:00:01,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:01,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:02,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:02,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115652816] [2022-11-23 15:00:02,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115652816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:02,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:02,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:02,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663793475] [2022-11-23 15:00:02,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:02,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:02,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:02,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:02,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:02,803 INFO L87 Difference]: Start difference. First operand 105 states and 199 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:03,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:03,486 INFO L93 Difference]: Finished difference Result 105 states and 197 transitions. [2022-11-23 15:00:03,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:00:03,487 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:03,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:03,487 INFO L225 Difference]: With dead ends: 105 [2022-11-23 15:00:03,488 INFO L226 Difference]: Without dead ends: 91 [2022-11-23 15:00:03,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:03,488 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:03,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 0 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:03,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-23 15:00:03,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-23 15:00:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 89 states have (on average 2.0) internal successors, (178), 90 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 178 transitions. [2022-11-23 15:00:03,491 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 178 transitions. Word has length 16 [2022-11-23 15:00:03,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:03,491 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 178 transitions. [2022-11-23 15:00:03,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:03,491 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 178 transitions. [2022-11-23 15:00:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:03,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:03,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:03,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-23 15:00:03,492 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:03,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:03,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1387751567, now seen corresponding path program 3 times [2022-11-23 15:00:03,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:03,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676401738] [2022-11-23 15:00:03,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:03,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:04,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:04,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:04,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676401738] [2022-11-23 15:00:04,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676401738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:04,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:04,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:04,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633028048] [2022-11-23 15:00:04,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:04,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:04,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:04,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:04,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:04,534 INFO L87 Difference]: Start difference. First operand 91 states and 178 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:05,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:05,223 INFO L93 Difference]: Finished difference Result 129 states and 237 transitions. [2022-11-23 15:00:05,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:00:05,223 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:05,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:05,224 INFO L225 Difference]: With dead ends: 129 [2022-11-23 15:00:05,224 INFO L226 Difference]: Without dead ends: 129 [2022-11-23 15:00:05,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:00:05,224 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:05,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 0 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:05,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-23 15:00:05,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 105. [2022-11-23 15:00:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.9514563106796117) internal successors, (201), 104 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 201 transitions. [2022-11-23 15:00:05,228 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 201 transitions. Word has length 16 [2022-11-23 15:00:05,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:05,228 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 201 transitions. [2022-11-23 15:00:05,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 201 transitions. [2022-11-23 15:00:05,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:05,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:05,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:05,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-23 15:00:05,230 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:05,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:05,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1387751540, now seen corresponding path program 3 times [2022-11-23 15:00:05,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:05,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096710944] [2022-11-23 15:00:05,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:05,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:06,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:06,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096710944] [2022-11-23 15:00:06,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096710944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:06,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:06,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:06,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553345185] [2022-11-23 15:00:06,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:06,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:06,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:06,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:06,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:06,486 INFO L87 Difference]: Start difference. First operand 105 states and 201 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:07,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:07,559 INFO L93 Difference]: Finished difference Result 129 states and 235 transitions. [2022-11-23 15:00:07,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 15:00:07,559 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:07,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:07,560 INFO L225 Difference]: With dead ends: 129 [2022-11-23 15:00:07,560 INFO L226 Difference]: Without dead ends: 123 [2022-11-23 15:00:07,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=154, Invalid=496, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:00:07,561 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:07,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:07,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-11-23 15:00:07,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2022-11-23 15:00:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 97 states have (on average 1.9690721649484537) internal successors, (191), 98 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 191 transitions. [2022-11-23 15:00:07,565 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 191 transitions. Word has length 16 [2022-11-23 15:00:07,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:07,566 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 191 transitions. [2022-11-23 15:00:07,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2022-11-23 15:00:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:07,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:07,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:07,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-23 15:00:07,567 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:07,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:07,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1385722307, now seen corresponding path program 4 times [2022-11-23 15:00:07,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:07,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312404564] [2022-11-23 15:00:07,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:07,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:08,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:08,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312404564] [2022-11-23 15:00:08,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312404564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:08,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:08,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:08,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829022857] [2022-11-23 15:00:08,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:08,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:08,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:08,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:08,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:08,518 INFO L87 Difference]: Start difference. First operand 99 states and 191 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:09,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:09,211 INFO L93 Difference]: Finished difference Result 112 states and 208 transitions. [2022-11-23 15:00:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:00:09,211 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:09,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:09,214 INFO L225 Difference]: With dead ends: 112 [2022-11-23 15:00:09,214 INFO L226 Difference]: Without dead ends: 112 [2022-11-23 15:00:09,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:00:09,215 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:09,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-23 15:00:09,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2022-11-23 15:00:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 108 states have (on average 1.9166666666666667) internal successors, (207), 109 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 207 transitions. [2022-11-23 15:00:09,219 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 207 transitions. Word has length 16 [2022-11-23 15:00:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:09,219 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 207 transitions. [2022-11-23 15:00:09,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 207 transitions. [2022-11-23 15:00:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:09,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:09,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:09,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-23 15:00:09,221 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:09,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:09,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1385722280, now seen corresponding path program 4 times [2022-11-23 15:00:09,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:09,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700618952] [2022-11-23 15:00:09,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:09,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:10,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:10,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700618952] [2022-11-23 15:00:10,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700618952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:10,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:10,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:10,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22848902] [2022-11-23 15:00:10,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:10,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:10,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:10,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:10,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:10,213 INFO L87 Difference]: Start difference. First operand 110 states and 207 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:10,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:10,962 INFO L93 Difference]: Finished difference Result 110 states and 205 transitions. [2022-11-23 15:00:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:00:10,963 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:10,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:10,964 INFO L225 Difference]: With dead ends: 110 [2022-11-23 15:00:10,964 INFO L226 Difference]: Without dead ends: 98 [2022-11-23 15:00:10,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:00:10,966 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 24 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:10,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 0 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:10,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-23 15:00:10,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-23 15:00:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 96 states have (on average 1.96875) internal successors, (189), 97 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 189 transitions. [2022-11-23 15:00:10,969 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 189 transitions. Word has length 16 [2022-11-23 15:00:10,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:10,970 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 189 transitions. [2022-11-23 15:00:10,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 189 transitions. [2022-11-23 15:00:10,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:10,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:10,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:10,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-23 15:00:10,971 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:10,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:10,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1614272077, now seen corresponding path program 5 times [2022-11-23 15:00:10,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:10,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400204354] [2022-11-23 15:00:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:10,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:11,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:11,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400204354] [2022-11-23 15:00:11,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400204354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:11,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:11,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:11,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256786318] [2022-11-23 15:00:11,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:11,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:11,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:11,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:11,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:11,874 INFO L87 Difference]: Start difference. First operand 98 states and 189 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:12,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:12,624 INFO L93 Difference]: Finished difference Result 130 states and 235 transitions. [2022-11-23 15:00:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:00:12,625 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:12,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:12,626 INFO L225 Difference]: With dead ends: 130 [2022-11-23 15:00:12,626 INFO L226 Difference]: Without dead ends: 130 [2022-11-23 15:00:12,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2022-11-23 15:00:12,627 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:12,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:12,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-11-23 15:00:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 112. [2022-11-23 15:00:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 110 states have (on average 1.9272727272727272) internal successors, (212), 111 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 212 transitions. [2022-11-23 15:00:12,631 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 212 transitions. Word has length 16 [2022-11-23 15:00:12,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:12,631 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 212 transitions. [2022-11-23 15:00:12,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:12,632 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2022-11-23 15:00:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:12,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:12,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:12,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-23 15:00:12,633 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:12,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:12,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1614272050, now seen corresponding path program 5 times [2022-11-23 15:00:12,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:12,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737252382] [2022-11-23 15:00:12,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:12,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:13,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:13,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737252382] [2022-11-23 15:00:13,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737252382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:13,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:13,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:13,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456072216] [2022-11-23 15:00:13,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:13,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:13,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:13,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:13,799 INFO L87 Difference]: Start difference. First operand 112 states and 212 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:14,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:14,629 INFO L93 Difference]: Finished difference Result 128 states and 232 transitions. [2022-11-23 15:00:14,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:00:14,630 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:14,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:14,630 INFO L225 Difference]: With dead ends: 128 [2022-11-23 15:00:14,630 INFO L226 Difference]: Without dead ends: 113 [2022-11-23 15:00:14,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:00:14,631 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:14,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 0 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:14,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-23 15:00:14,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 97. [2022-11-23 15:00:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 95 states have (on average 1.9684210526315788) internal successors, (187), 96 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 187 transitions. [2022-11-23 15:00:14,635 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 187 transitions. Word has length 16 [2022-11-23 15:00:14,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:14,635 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 187 transitions. [2022-11-23 15:00:14,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2022-11-23 15:00:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:14,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:14,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:14,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-23 15:00:14,637 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:14,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:14,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2001629877, now seen corresponding path program 6 times [2022-11-23 15:00:14,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:14,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834692865] [2022-11-23 15:00:14,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:14,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:15,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:15,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834692865] [2022-11-23 15:00:15,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834692865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:15,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:15,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:15,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028831652] [2022-11-23 15:00:15,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:15,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:15,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:15,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:15,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:15,552 INFO L87 Difference]: Start difference. First operand 97 states and 187 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:16,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:16,200 INFO L93 Difference]: Finished difference Result 111 states and 206 transitions. [2022-11-23 15:00:16,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:00:16,200 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:16,201 INFO L225 Difference]: With dead ends: 111 [2022-11-23 15:00:16,201 INFO L226 Difference]: Without dead ends: 111 [2022-11-23 15:00:16,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:16,203 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:16,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:16,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-23 15:00:16,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2022-11-23 15:00:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 107 states have (on average 1.9158878504672898) internal successors, (205), 108 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 205 transitions. [2022-11-23 15:00:16,207 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 205 transitions. Word has length 16 [2022-11-23 15:00:16,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:16,207 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 205 transitions. [2022-11-23 15:00:16,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2022-11-23 15:00:16,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:16,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:16,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:16,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-23 15:00:16,209 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:16,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:16,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2001629904, now seen corresponding path program 6 times [2022-11-23 15:00:16,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:16,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539403278] [2022-11-23 15:00:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:16,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:17,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:17,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539403278] [2022-11-23 15:00:17,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539403278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:17,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:17,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:17,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070003568] [2022-11-23 15:00:17,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:17,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:17,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:17,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:17,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:17,082 INFO L87 Difference]: Start difference. First operand 109 states and 205 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:18,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:18,077 INFO L93 Difference]: Finished difference Result 117 states and 215 transitions. [2022-11-23 15:00:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 15:00:18,078 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:18,078 INFO L225 Difference]: With dead ends: 117 [2022-11-23 15:00:18,079 INFO L226 Difference]: Without dead ends: 95 [2022-11-23 15:00:18,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2022-11-23 15:00:18,079 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 64 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:18,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 0 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-23 15:00:18,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2022-11-23 15:00:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 85 states have (on average 2.0) internal successors, (170), 86 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 170 transitions. [2022-11-23 15:00:18,083 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 170 transitions. Word has length 16 [2022-11-23 15:00:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:18,083 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 170 transitions. [2022-11-23 15:00:18,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 170 transitions. [2022-11-23 15:00:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:18,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:18,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:18,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-23 15:00:18,084 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:18,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:18,085 INFO L85 PathProgramCache]: Analyzing trace with hash -493574167, now seen corresponding path program 7 times [2022-11-23 15:00:18,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:18,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807378447] [2022-11-23 15:00:18,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:18,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:18,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807378447] [2022-11-23 15:00:18,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807378447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:18,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:18,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:18,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929253605] [2022-11-23 15:00:18,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:18,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:18,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:18,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:18,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:18,855 INFO L87 Difference]: Start difference. First operand 87 states and 170 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:19,580 INFO L93 Difference]: Finished difference Result 139 states and 252 transitions. [2022-11-23 15:00:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:00:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:19,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:19,582 INFO L225 Difference]: With dead ends: 139 [2022-11-23 15:00:19,582 INFO L226 Difference]: Without dead ends: 139 [2022-11-23 15:00:19,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2022-11-23 15:00:19,583 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:19,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 0 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:19,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-23 15:00:19,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 102. [2022-11-23 15:00:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 100 states have (on average 1.95) internal successors, (195), 101 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 195 transitions. [2022-11-23 15:00:19,586 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 195 transitions. Word has length 16 [2022-11-23 15:00:19,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:19,587 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 195 transitions. [2022-11-23 15:00:19,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 195 transitions. [2022-11-23 15:00:19,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:19,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:19,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:19,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-23 15:00:19,588 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:19,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:19,589 INFO L85 PathProgramCache]: Analyzing trace with hash -493574140, now seen corresponding path program 7 times [2022-11-23 15:00:19,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:19,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402776733] [2022-11-23 15:00:19,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:19,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:20,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:20,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402776733] [2022-11-23 15:00:20,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402776733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:20,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:20,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:20,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133292933] [2022-11-23 15:00:20,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:20,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:20,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:20,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:20,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:20,666 INFO L87 Difference]: Start difference. First operand 102 states and 195 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:22,734 INFO L93 Difference]: Finished difference Result 133 states and 238 transitions. [2022-11-23 15:00:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 15:00:22,735 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:22,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:22,736 INFO L225 Difference]: With dead ends: 133 [2022-11-23 15:00:22,736 INFO L226 Difference]: Without dead ends: 127 [2022-11-23 15:00:22,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=353, Invalid=907, Unknown=0, NotChecked=0, Total=1260 [2022-11-23 15:00:22,737 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 98 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:22,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 0 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:00:22,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-23 15:00:22,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 109. [2022-11-23 15:00:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 107 states have (on average 1.9345794392523366) internal successors, (207), 108 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 207 transitions. [2022-11-23 15:00:22,740 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 207 transitions. Word has length 16 [2022-11-23 15:00:22,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:22,741 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 207 transitions. [2022-11-23 15:00:22,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2022-11-23 15:00:22,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:22,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:22,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:22,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-23 15:00:22,742 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:22,743 INFO L85 PathProgramCache]: Analyzing trace with hash -491544907, now seen corresponding path program 8 times [2022-11-23 15:00:22,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:22,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181597742] [2022-11-23 15:00:22,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:22,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:23,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:23,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181597742] [2022-11-23 15:00:23,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181597742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:23,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:23,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:23,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809329749] [2022-11-23 15:00:23,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:23,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:23,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:23,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:23,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:23,617 INFO L87 Difference]: Start difference. First operand 109 states and 207 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:24,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:24,482 INFO L93 Difference]: Finished difference Result 149 states and 264 transitions. [2022-11-23 15:00:24,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:00:24,482 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:24,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:24,483 INFO L225 Difference]: With dead ends: 149 [2022-11-23 15:00:24,483 INFO L226 Difference]: Without dead ends: 149 [2022-11-23 15:00:24,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:00:24,484 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:24,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 0 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:00:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-23 15:00:24,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 117. [2022-11-23 15:00:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.9043478260869566) internal successors, (219), 116 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 219 transitions. [2022-11-23 15:00:24,487 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 219 transitions. Word has length 16 [2022-11-23 15:00:24,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:24,488 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 219 transitions. [2022-11-23 15:00:24,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 219 transitions. [2022-11-23 15:00:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:24,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:24,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:24,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-23 15:00:24,489 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:24,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:24,489 INFO L85 PathProgramCache]: Analyzing trace with hash -491544880, now seen corresponding path program 8 times [2022-11-23 15:00:24,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:24,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812117229] [2022-11-23 15:00:24,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:24,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:25,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:25,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:25,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812117229] [2022-11-23 15:00:25,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812117229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:25,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:25,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:25,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044631445] [2022-11-23 15:00:25,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:25,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:25,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:25,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:25,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:25,490 INFO L87 Difference]: Start difference. First operand 117 states and 219 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:27,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:27,429 INFO L93 Difference]: Finished difference Result 172 states and 296 transitions. [2022-11-23 15:00:27,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-23 15:00:27,430 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:27,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:27,431 INFO L225 Difference]: With dead ends: 172 [2022-11-23 15:00:27,431 INFO L226 Difference]: Without dead ends: 161 [2022-11-23 15:00:27,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=495, Invalid=1397, Unknown=0, NotChecked=0, Total=1892 [2022-11-23 15:00:27,432 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 106 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:27,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 0 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:00:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-23 15:00:27,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 117. [2022-11-23 15:00:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.9043478260869566) internal successors, (219), 116 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 219 transitions. [2022-11-23 15:00:27,436 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 219 transitions. Word has length 16 [2022-11-23 15:00:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:27,436 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 219 transitions. [2022-11-23 15:00:27,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 219 transitions. [2022-11-23 15:00:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:27,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:27,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:27,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-23 15:00:27,438 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:27,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:27,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1172394187, now seen corresponding path program 9 times [2022-11-23 15:00:27,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:27,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867818492] [2022-11-23 15:00:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:27,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:28,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:28,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867818492] [2022-11-23 15:00:28,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867818492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:28,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:28,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:28,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948816271] [2022-11-23 15:00:28,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:28,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:28,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:28,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:28,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:28,246 INFO L87 Difference]: Start difference. First operand 117 states and 219 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:28,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:28,894 INFO L93 Difference]: Finished difference Result 145 states and 260 transitions. [2022-11-23 15:00:28,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:00:28,894 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:28,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:28,895 INFO L225 Difference]: With dead ends: 145 [2022-11-23 15:00:28,895 INFO L226 Difference]: Without dead ends: 145 [2022-11-23 15:00:28,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:00:28,895 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 60 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:28,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 0 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-23 15:00:28,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2022-11-23 15:00:28,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 127 states have (on average 1.8661417322834646) internal successors, (237), 128 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 237 transitions. [2022-11-23 15:00:28,899 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 237 transitions. Word has length 16 [2022-11-23 15:00:28,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:28,900 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 237 transitions. [2022-11-23 15:00:28,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 237 transitions. [2022-11-23 15:00:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:28,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:28,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:28,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-23 15:00:28,901 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:28,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1172394160, now seen corresponding path program 9 times [2022-11-23 15:00:28,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:28,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103660003] [2022-11-23 15:00:28,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:28,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:29,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:29,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103660003] [2022-11-23 15:00:29,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103660003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:29,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:29,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:29,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217080079] [2022-11-23 15:00:29,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:29,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:29,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:29,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:29,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:29,680 INFO L87 Difference]: Start difference. First operand 129 states and 237 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:30,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:30,964 INFO L93 Difference]: Finished difference Result 165 states and 286 transitions. [2022-11-23 15:00:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-23 15:00:30,970 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:30,972 INFO L225 Difference]: With dead ends: 165 [2022-11-23 15:00:30,972 INFO L226 Difference]: Without dead ends: 147 [2022-11-23 15:00:30,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=294, Invalid=762, Unknown=0, NotChecked=0, Total=1056 [2022-11-23 15:00:30,972 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 105 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:30,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 0 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:00:30,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-23 15:00:30,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2022-11-23 15:00:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 112 states have (on average 1.9017857142857142) internal successors, (213), 113 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 213 transitions. [2022-11-23 15:00:30,975 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 213 transitions. Word has length 16 [2022-11-23 15:00:30,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:30,976 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 213 transitions. [2022-11-23 15:00:30,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 213 transitions. [2022-11-23 15:00:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:30,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:30,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:30,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-23 15:00:30,977 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:30,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:30,977 INFO L85 PathProgramCache]: Analyzing trace with hash -570916175, now seen corresponding path program 10 times [2022-11-23 15:00:30,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:30,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961224477] [2022-11-23 15:00:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:30,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:31,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:31,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:31,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961224477] [2022-11-23 15:00:31,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961224477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:31,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:31,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:31,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568092452] [2022-11-23 15:00:31,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:31,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:31,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:31,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:31,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:31,781 INFO L87 Difference]: Start difference. First operand 114 states and 213 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:32,581 INFO L93 Difference]: Finished difference Result 144 states and 257 transitions. [2022-11-23 15:00:32,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 15:00:32,581 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:32,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:32,582 INFO L225 Difference]: With dead ends: 144 [2022-11-23 15:00:32,582 INFO L226 Difference]: Without dead ends: 138 [2022-11-23 15:00:32,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:00:32,583 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:32,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 0 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:32,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-23 15:00:32,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 116. [2022-11-23 15:00:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 114 states have (on average 1.894736842105263) internal successors, (216), 115 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 216 transitions. [2022-11-23 15:00:32,587 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 216 transitions. Word has length 16 [2022-11-23 15:00:32,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:32,587 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 216 transitions. [2022-11-23 15:00:32,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 216 transitions. [2022-11-23 15:00:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:32,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:32,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:32,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-23 15:00:32,588 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:32,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:32,589 INFO L85 PathProgramCache]: Analyzing trace with hash -568886915, now seen corresponding path program 11 times [2022-11-23 15:00:32,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:32,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293166052] [2022-11-23 15:00:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:33,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:33,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293166052] [2022-11-23 15:00:33,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293166052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:33,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:33,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:33,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564514270] [2022-11-23 15:00:33,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:33,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:33,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:33,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:33,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:33,307 INFO L87 Difference]: Start difference. First operand 116 states and 216 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:34,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:34,077 INFO L93 Difference]: Finished difference Result 127 states and 230 transitions. [2022-11-23 15:00:34,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:00:34,077 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:34,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:34,078 INFO L225 Difference]: With dead ends: 127 [2022-11-23 15:00:34,078 INFO L226 Difference]: Without dead ends: 115 [2022-11-23 15:00:34,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:00:34,079 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:34,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 0 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:34,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-23 15:00:34,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-23 15:00:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 113 states have (on average 1.8938053097345133) internal successors, (214), 114 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:34,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 214 transitions. [2022-11-23 15:00:34,082 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 214 transitions. Word has length 16 [2022-11-23 15:00:34,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:34,082 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 214 transitions. [2022-11-23 15:00:34,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 214 transitions. [2022-11-23 15:00:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:34,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:34,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:34,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-23 15:00:34,084 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:34,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:34,084 INFO L85 PathProgramCache]: Analyzing trace with hash -797436685, now seen corresponding path program 12 times [2022-11-23 15:00:34,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:34,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738417818] [2022-11-23 15:00:34,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:34,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:34,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:34,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738417818] [2022-11-23 15:00:34,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738417818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:34,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:34,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:34,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458367923] [2022-11-23 15:00:34,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:34,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:34,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:34,876 INFO L87 Difference]: Start difference. First operand 115 states and 214 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:35,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:35,678 INFO L93 Difference]: Finished difference Result 143 states and 254 transitions. [2022-11-23 15:00:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:00:35,678 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:35,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:35,679 INFO L225 Difference]: With dead ends: 143 [2022-11-23 15:00:35,679 INFO L226 Difference]: Without dead ends: 128 [2022-11-23 15:00:35,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:00:35,679 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:35,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:35,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-23 15:00:35,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2022-11-23 15:00:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 112 states have (on average 1.8928571428571428) internal successors, (212), 113 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 212 transitions. [2022-11-23 15:00:35,683 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 212 transitions. Word has length 16 [2022-11-23 15:00:35,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:35,683 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 212 transitions. [2022-11-23 15:00:35,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 212 transitions. [2022-11-23 15:00:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:35,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:35,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:35,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-23 15:00:35,685 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:35,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:35,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1476502027, now seen corresponding path program 13 times [2022-11-23 15:00:35,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:35,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592387501] [2022-11-23 15:00:35,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:35,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:36,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:36,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592387501] [2022-11-23 15:00:36,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592387501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:36,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:36,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:36,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473028065] [2022-11-23 15:00:36,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:36,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:36,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:36,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:36,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:36,555 INFO L87 Difference]: Start difference. First operand 114 states and 212 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:37,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:37,223 INFO L93 Difference]: Finished difference Result 126 states and 228 transitions. [2022-11-23 15:00:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:00:37,224 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:37,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:37,224 INFO L225 Difference]: With dead ends: 126 [2022-11-23 15:00:37,225 INFO L226 Difference]: Without dead ends: 105 [2022-11-23 15:00:37,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:00:37,226 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:37,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:37,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-23 15:00:37,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-23 15:00:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.9029126213592233) internal successors, (196), 104 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 196 transitions. [2022-11-23 15:00:37,229 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 196 transitions. Word has length 16 [2022-11-23 15:00:37,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:37,229 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 196 transitions. [2022-11-23 15:00:37,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 196 transitions. [2022-11-23 15:00:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:37,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:37,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:37,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-23 15:00:37,231 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:37,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:37,231 INFO L85 PathProgramCache]: Analyzing trace with hash -10235647, now seen corresponding path program 14 times [2022-11-23 15:00:37,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:37,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409270025] [2022-11-23 15:00:37,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:37,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:37,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:37,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409270025] [2022-11-23 15:00:37,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409270025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:37,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:37,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:00:37,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804000602] [2022-11-23 15:00:37,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:37,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:00:37,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:37,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:00:37,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:00:37,518 INFO L87 Difference]: Start difference. First operand 105 states and 196 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:37,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:37,619 INFO L93 Difference]: Finished difference Result 105 states and 184 transitions. [2022-11-23 15:00:37,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:00:37,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:37,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:37,620 INFO L225 Difference]: With dead ends: 105 [2022-11-23 15:00:37,620 INFO L226 Difference]: Without dead ends: 105 [2022-11-23 15:00:37,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:00:37,621 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 34 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:37,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 2 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:00:37,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-23 15:00:37,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-23 15:00:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.7864077669902914) internal successors, (184), 104 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:37,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 184 transitions. [2022-11-23 15:00:37,625 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 184 transitions. Word has length 16 [2022-11-23 15:00:37,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:37,625 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 184 transitions. [2022-11-23 15:00:37,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2022-11-23 15:00:37,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:37,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:37,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:37,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-23 15:00:37,628 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:37,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash -21573055, now seen corresponding path program 15 times [2022-11-23 15:00:37,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:37,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644707640] [2022-11-23 15:00:37,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:38,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:38,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:38,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644707640] [2022-11-23 15:00:38,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644707640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:38,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:38,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:38,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607007170] [2022-11-23 15:00:38,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:38,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:38,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:38,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:38,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:38,488 INFO L87 Difference]: Start difference. First operand 105 states and 184 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:39,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:39,017 INFO L93 Difference]: Finished difference Result 137 states and 228 transitions. [2022-11-23 15:00:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:39,017 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:39,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:39,018 INFO L225 Difference]: With dead ends: 137 [2022-11-23 15:00:39,019 INFO L226 Difference]: Without dead ends: 131 [2022-11-23 15:00:39,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:39,019 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:39,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 0 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:00:39,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-11-23 15:00:39,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2022-11-23 15:00:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 109 states have (on average 1.7522935779816513) internal successors, (191), 110 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 191 transitions. [2022-11-23 15:00:39,023 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 191 transitions. Word has length 16 [2022-11-23 15:00:39,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:39,023 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 191 transitions. [2022-11-23 15:00:39,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2022-11-23 15:00:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:39,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:39,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:39,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-23 15:00:39,025 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:39,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash -19543795, now seen corresponding path program 16 times [2022-11-23 15:00:39,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:39,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931761920] [2022-11-23 15:00:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:39,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:39,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:39,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931761920] [2022-11-23 15:00:39,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931761920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:39,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:39,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:39,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850125049] [2022-11-23 15:00:39,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:39,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:39,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:39,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:39,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:39,944 INFO L87 Difference]: Start difference. First operand 111 states and 191 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:40,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:40,553 INFO L93 Difference]: Finished difference Result 135 states and 224 transitions. [2022-11-23 15:00:40,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:40,553 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:40,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:40,554 INFO L225 Difference]: With dead ends: 135 [2022-11-23 15:00:40,555 INFO L226 Difference]: Without dead ends: 121 [2022-11-23 15:00:40,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:40,555 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:40,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-23 15:00:40,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 105. [2022-11-23 15:00:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.7766990291262137) internal successors, (183), 104 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) [2022-11-23 15:00:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 183 transitions. [2022-11-23 15:00:40,559 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 183 transitions. Word has length 16 [2022-11-23 15:00:40,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:40,559 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 183 transitions. [2022-11-23 15:00:40,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 183 transitions. [2022-11-23 15:00:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:40,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:40,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:40,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-23 15:00:40,560 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:40,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:40,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1127422413, now seen corresponding path program 17 times [2022-11-23 15:00:40,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:40,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792059046] [2022-11-23 15:00:40,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:41,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:41,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792059046] [2022-11-23 15:00:41,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792059046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:41,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:41,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:00:41,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75584607] [2022-11-23 15:00:41,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:00:41,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:41,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:00:41,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:00:41,070 INFO L87 Difference]: Start difference. First operand 105 states and 183 transitions. Second operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:41,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:41,683 INFO L93 Difference]: Finished difference Result 151 states and 244 transitions. [2022-11-23 15:00:41,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:41,684 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:41,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:41,685 INFO L225 Difference]: With dead ends: 151 [2022-11-23 15:00:41,685 INFO L226 Difference]: Without dead ends: 139 [2022-11-23 15:00:41,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:00:41,685 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 82 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:41,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 9 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:00:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-23 15:00:41,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 117. [2022-11-23 15:00:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.7217391304347827) internal successors, (198), 116 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 198 transitions. [2022-11-23 15:00:41,689 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 198 transitions. Word has length 16 [2022-11-23 15:00:41,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:41,689 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 198 transitions. [2022-11-23 15:00:41,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2022-11-23 15:00:41,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:41,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:41,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:41,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-23 15:00:41,691 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:41,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1127422440, now seen corresponding path program 10 times [2022-11-23 15:00:41,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:41,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841595569] [2022-11-23 15:00:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:41,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:42,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:42,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841595569] [2022-11-23 15:00:42,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841595569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:42,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:42,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:42,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993399012] [2022-11-23 15:00:42,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:42,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:42,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:42,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:42,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:42,472 INFO L87 Difference]: Start difference. First operand 117 states and 198 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:43,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:43,201 INFO L93 Difference]: Finished difference Result 117 states and 196 transitions. [2022-11-23 15:00:43,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:00:43,202 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:43,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:43,203 INFO L225 Difference]: With dead ends: 117 [2022-11-23 15:00:43,203 INFO L226 Difference]: Without dead ends: 104 [2022-11-23 15:00:43,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:00:43,203 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:43,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:00:43,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-23 15:00:43,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-23 15:00:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 102 states have (on average 1.7745098039215685) internal successors, (181), 103 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 181 transitions. [2022-11-23 15:00:43,206 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 181 transitions. Word has length 16 [2022-11-23 15:00:43,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:43,206 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 181 transitions. [2022-11-23 15:00:43,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 181 transitions. [2022-11-23 15:00:43,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:43,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:43,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:43,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-11-23 15:00:43,208 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:43,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:43,208 INFO L85 PathProgramCache]: Analyzing trace with hash -690717433, now seen corresponding path program 18 times [2022-11-23 15:00:43,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:43,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407052979] [2022-11-23 15:00:43,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:43,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:43,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:43,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407052979] [2022-11-23 15:00:43,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407052979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:43,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:43,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:43,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029270937] [2022-11-23 15:00:43,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:43,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:43,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:43,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:43,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:43,934 INFO L87 Difference]: Start difference. First operand 104 states and 181 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:44,519 INFO L93 Difference]: Finished difference Result 135 states and 225 transitions. [2022-11-23 15:00:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:44,520 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:44,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:44,521 INFO L225 Difference]: With dead ends: 135 [2022-11-23 15:00:44,521 INFO L226 Difference]: Without dead ends: 129 [2022-11-23 15:00:44,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:44,522 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:44,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:00:44,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-23 15:00:44,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 108. [2022-11-23 15:00:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 106 states have (on average 1.7547169811320755) internal successors, (186), 107 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 186 transitions. [2022-11-23 15:00:44,525 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 186 transitions. Word has length 16 [2022-11-23 15:00:44,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:44,526 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 186 transitions. [2022-11-23 15:00:44,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 186 transitions. [2022-11-23 15:00:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:44,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:44,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:44,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-11-23 15:00:44,527 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:44,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:44,528 INFO L85 PathProgramCache]: Analyzing trace with hash -688688173, now seen corresponding path program 19 times [2022-11-23 15:00:44,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:44,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481160784] [2022-11-23 15:00:44,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:44,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:45,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:45,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481160784] [2022-11-23 15:00:45,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481160784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:45,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:45,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:45,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768240856] [2022-11-23 15:00:45,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:45,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:45,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:45,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:45,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:45,284 INFO L87 Difference]: Start difference. First operand 108 states and 186 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:45,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:45,875 INFO L93 Difference]: Finished difference Result 133 states and 221 transitions. [2022-11-23 15:00:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:45,876 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:45,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:45,877 INFO L225 Difference]: With dead ends: 133 [2022-11-23 15:00:45,877 INFO L226 Difference]: Without dead ends: 119 [2022-11-23 15:00:45,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:45,877 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:45,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:00:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-23 15:00:45,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 102. [2022-11-23 15:00:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 100 states have (on average 1.77) internal successors, (177), 101 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 177 transitions. [2022-11-23 15:00:45,881 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 177 transitions. Word has length 16 [2022-11-23 15:00:45,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:45,881 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 177 transitions. [2022-11-23 15:00:45,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 177 transitions. [2022-11-23 15:00:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:45,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:45,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:45,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-11-23 15:00:45,882 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:45,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:45,883 INFO L85 PathProgramCache]: Analyzing trace with hash -694414929, now seen corresponding path program 20 times [2022-11-23 15:00:45,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:45,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465368555] [2022-11-23 15:00:45,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:45,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:46,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:46,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465368555] [2022-11-23 15:00:46,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465368555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:46,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:46,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:46,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397957316] [2022-11-23 15:00:46,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:46,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:46,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:46,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:46,693 INFO L87 Difference]: Start difference. First operand 102 states and 177 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:47,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:47,445 INFO L93 Difference]: Finished difference Result 136 states and 225 transitions. [2022-11-23 15:00:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:00:47,445 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:47,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:47,446 INFO L225 Difference]: With dead ends: 136 [2022-11-23 15:00:47,446 INFO L226 Difference]: Without dead ends: 130 [2022-11-23 15:00:47,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2022-11-23 15:00:47,447 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:47,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:00:47,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-11-23 15:00:47,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 104. [2022-11-23 15:00:47,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 102 states have (on average 1.7647058823529411) internal successors, (180), 103 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 180 transitions. [2022-11-23 15:00:47,450 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 180 transitions. Word has length 16 [2022-11-23 15:00:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:47,451 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 180 transitions. [2022-11-23 15:00:47,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2022-11-23 15:00:47,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:47,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:47,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:47,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-11-23 15:00:47,452 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:47,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:47,453 INFO L85 PathProgramCache]: Analyzing trace with hash -692385669, now seen corresponding path program 21 times [2022-11-23 15:00:47,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:47,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800657687] [2022-11-23 15:00:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:47,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:48,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:48,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800657687] [2022-11-23 15:00:48,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800657687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:48,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:48,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:48,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480101103] [2022-11-23 15:00:48,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:48,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:48,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:48,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:48,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:48,308 INFO L87 Difference]: Start difference. First operand 104 states and 180 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:48,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:48,930 INFO L93 Difference]: Finished difference Result 131 states and 216 transitions. [2022-11-23 15:00:48,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:00:48,930 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:48,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:48,931 INFO L225 Difference]: With dead ends: 131 [2022-11-23 15:00:48,931 INFO L226 Difference]: Without dead ends: 119 [2022-11-23 15:00:48,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:00:48,931 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:48,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 0 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:00:48,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-23 15:00:48,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 103. [2022-11-23 15:00:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 101 states have (on average 1.7623762376237624) internal successors, (178), 102 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 178 transitions. [2022-11-23 15:00:48,935 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 178 transitions. Word has length 16 [2022-11-23 15:00:48,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:48,935 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 178 transitions. [2022-11-23 15:00:48,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2022-11-23 15:00:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:48,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:48,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:48,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-11-23 15:00:48,936 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:48,937 INFO L85 PathProgramCache]: Analyzing trace with hash -920935439, now seen corresponding path program 22 times [2022-11-23 15:00:48,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:48,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028618911] [2022-11-23 15:00:48,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:48,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:49,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:49,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028618911] [2022-11-23 15:00:49,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028618911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:49,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:49,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:49,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30803354] [2022-11-23 15:00:49,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:49,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:49,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:49,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:49,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:49,716 INFO L87 Difference]: Start difference. First operand 103 states and 178 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:50,475 INFO L93 Difference]: Finished difference Result 131 states and 216 transitions. [2022-11-23 15:00:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:00:50,476 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:50,477 INFO L225 Difference]: With dead ends: 131 [2022-11-23 15:00:50,477 INFO L226 Difference]: Without dead ends: 116 [2022-11-23 15:00:50,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2022-11-23 15:00:50,477 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:50,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 0 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:00:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-23 15:00:50,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 96. [2022-11-23 15:00:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 94 states have (on average 1.7553191489361701) internal successors, (165), 95 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 165 transitions. [2022-11-23 15:00:50,480 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 165 transitions. Word has length 16 [2022-11-23 15:00:50,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:50,481 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 165 transitions. [2022-11-23 15:00:50,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 165 transitions. [2022-11-23 15:00:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:50,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:50,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:50,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-11-23 15:00:50,482 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:50,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:50,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1600000781, now seen corresponding path program 23 times [2022-11-23 15:00:50,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:50,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801659922] [2022-11-23 15:00:50,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:50,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:51,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:51,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801659922] [2022-11-23 15:00:51,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801659922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:51,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:51,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:51,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705787920] [2022-11-23 15:00:51,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:51,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:51,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:51,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:51,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:51,260 INFO L87 Difference]: Start difference. First operand 96 states and 165 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:51,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:51,803 INFO L93 Difference]: Finished difference Result 108 states and 181 transitions. [2022-11-23 15:00:51,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:51,803 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:51,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:51,804 INFO L225 Difference]: With dead ends: 108 [2022-11-23 15:00:51,804 INFO L226 Difference]: Without dead ends: 86 [2022-11-23 15:00:51,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:51,805 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:51,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:00:51,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-23 15:00:51,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-23 15:00:51,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 84 states have (on average 1.7619047619047619) internal successors, (148), 85 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 148 transitions. [2022-11-23 15:00:51,807 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 148 transitions. Word has length 16 [2022-11-23 15:00:51,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:51,808 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 148 transitions. [2022-11-23 15:00:51,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 148 transitions. [2022-11-23 15:00:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:51,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:51,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:51,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-11-23 15:00:51,809 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:51,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1898543553, now seen corresponding path program 24 times [2022-11-23 15:00:51,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:51,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855574877] [2022-11-23 15:00:51,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:51,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:52,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:52,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855574877] [2022-11-23 15:00:52,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855574877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:52,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:52,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:00:52,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465392561] [2022-11-23 15:00:52,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:52,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:00:52,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:52,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:00:52,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:00:52,295 INFO L87 Difference]: Start difference. First operand 86 states and 148 transitions. Second operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:52,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:52,942 INFO L93 Difference]: Finished difference Result 122 states and 194 transitions. [2022-11-23 15:00:52,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:52,943 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:52,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:52,944 INFO L225 Difference]: With dead ends: 122 [2022-11-23 15:00:52,944 INFO L226 Difference]: Without dead ends: 110 [2022-11-23 15:00:52,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:00:52,944 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 84 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:52,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 6 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:00:52,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-23 15:00:52,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 96. [2022-11-23 15:00:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 94 states have (on average 1.702127659574468) internal successors, (160), 95 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:52,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 160 transitions. [2022-11-23 15:00:52,947 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 160 transitions. Word has length 16 [2022-11-23 15:00:52,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:52,948 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 160 transitions. [2022-11-23 15:00:52,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 160 transitions. [2022-11-23 15:00:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:52,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:52,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:52,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-11-23 15:00:52,949 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:52,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:52,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1898543580, now seen corresponding path program 11 times [2022-11-23 15:00:52,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:52,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842481207] [2022-11-23 15:00:52,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:52,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:53,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:53,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842481207] [2022-11-23 15:00:53,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842481207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:53,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:53,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:53,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219342043] [2022-11-23 15:00:53,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:53,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:53,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:53,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:53,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:53,675 INFO L87 Difference]: Start difference. First operand 96 states and 160 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:54,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:54,247 INFO L93 Difference]: Finished difference Result 101 states and 165 transitions. [2022-11-23 15:00:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:00:54,248 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:54,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:54,248 INFO L225 Difference]: With dead ends: 101 [2022-11-23 15:00:54,248 INFO L226 Difference]: Without dead ends: 89 [2022-11-23 15:00:54,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:00:54,249 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:54,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:00:54,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-23 15:00:54,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2022-11-23 15:00:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 82 states have (on average 1.7439024390243902) internal successors, (143), 83 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 143 transitions. [2022-11-23 15:00:54,251 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 143 transitions. Word has length 16 [2022-11-23 15:00:54,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:54,252 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 143 transitions. [2022-11-23 15:00:54,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2022-11-23 15:00:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:54,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:54,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:54,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-11-23 15:00:54,253 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:54,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:54,253 INFO L85 PathProgramCache]: Analyzing trace with hash 807345671, now seen corresponding path program 25 times [2022-11-23 15:00:54,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:54,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472782172] [2022-11-23 15:00:54,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:54,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:54,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:54,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472782172] [2022-11-23 15:00:54,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472782172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:54,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:54,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:00:54,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508639946] [2022-11-23 15:00:54,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:54,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:00:54,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:54,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:00:54,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:00:54,723 INFO L87 Difference]: Start difference. First operand 84 states and 143 transitions. Second operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:55,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:55,301 INFO L93 Difference]: Finished difference Result 112 states and 177 transitions. [2022-11-23 15:00:55,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:00:55,302 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:55,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:55,303 INFO L225 Difference]: With dead ends: 112 [2022-11-23 15:00:55,303 INFO L226 Difference]: Without dead ends: 100 [2022-11-23 15:00:55,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:00:55,303 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 93 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:55,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 3 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:00:55,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-23 15:00:55,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2022-11-23 15:00:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 88 states have (on average 1.6931818181818181) internal successors, (149), 89 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 149 transitions. [2022-11-23 15:00:55,306 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 149 transitions. Word has length 16 [2022-11-23 15:00:55,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:55,306 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 149 transitions. [2022-11-23 15:00:55,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 149 transitions. [2022-11-23 15:00:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:55,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:55,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:55,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-11-23 15:00:55,307 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:55,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:55,308 INFO L85 PathProgramCache]: Analyzing trace with hash 807345698, now seen corresponding path program 12 times [2022-11-23 15:00:55,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:55,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993027123] [2022-11-23 15:00:55,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:55,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:55,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:55,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993027123] [2022-11-23 15:00:55,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993027123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:55,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:55,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:00:55,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266474023] [2022-11-23 15:00:55,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:55,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:00:55,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:55,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:00:55,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:00:55,582 INFO L87 Difference]: Start difference. First operand 90 states and 149 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:55,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:55,676 INFO L93 Difference]: Finished difference Result 42 states and 59 transitions. [2022-11-23 15:00:55,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:00:55,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:55,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:55,677 INFO L225 Difference]: With dead ends: 42 [2022-11-23 15:00:55,677 INFO L226 Difference]: Without dead ends: 35 [2022-11-23 15:00:55,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:00:55,678 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 31 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:55,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:00:55,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-23 15:00:55,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-23 15:00:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 34 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2022-11-23 15:00:55,679 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 16 [2022-11-23 15:00:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:55,680 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2022-11-23 15:00:55,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2022-11-23 15:00:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:55,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:55,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:55,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-11-23 15:00:55,681 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:55,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:55,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1310616453, now seen corresponding path program 26 times [2022-11-23 15:00:55,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:55,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841092157] [2022-11-23 15:00:55,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:56,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:56,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841092157] [2022-11-23 15:00:56,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841092157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:56,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:56,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:56,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650070300] [2022-11-23 15:00:56,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:56,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:56,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:56,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:56,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:56,630 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:57,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:57,192 INFO L93 Difference]: Finished difference Result 39 states and 56 transitions. [2022-11-23 15:00:57,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:00:57,192 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:57,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:57,193 INFO L225 Difference]: With dead ends: 39 [2022-11-23 15:00:57,193 INFO L226 Difference]: Without dead ends: 39 [2022-11-23 15:00:57,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2022-11-23 15:00:57,193 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:57,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:00:57,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-23 15:00:57,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-23 15:00:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 38 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 56 transitions. [2022-11-23 15:00:57,195 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 56 transitions. Word has length 16 [2022-11-23 15:00:57,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:57,195 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 56 transitions. [2022-11-23 15:00:57,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-11-23 15:00:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:57,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:57,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:57,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-11-23 15:00:57,196 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:57,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:57,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1310616480, now seen corresponding path program 13 times [2022-11-23 15:00:57,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:57,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768526904] [2022-11-23 15:00:57,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:57,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:57,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:57,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768526904] [2022-11-23 15:00:57,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768526904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:57,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:57,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:57,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901712214] [2022-11-23 15:00:57,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:57,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:57,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:57,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:57,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:57,948 INFO L87 Difference]: Start difference. First operand 39 states and 56 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:58,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:00:58,473 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2022-11-23 15:00:58,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:00:58,473 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:00:58,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:00:58,473 INFO L225 Difference]: With dead ends: 39 [2022-11-23 15:00:58,474 INFO L226 Difference]: Without dead ends: 33 [2022-11-23 15:00:58,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-11-23 15:00:58,474 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:00:58,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 0 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:00:58,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-23 15:00:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-23 15:00:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2022-11-23 15:00:58,476 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 16 [2022-11-23 15:00:58,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:00:58,476 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2022-11-23 15:00:58,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:00:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2022-11-23 15:00:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:00:58,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:00:58,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:00:58,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-11-23 15:00:58,478 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:00:58,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:00:58,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1312645713, now seen corresponding path program 27 times [2022-11-23 15:00:58,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:00:58,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457169031] [2022-11-23 15:00:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:00:58,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:00:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:00:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:00:59,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:00:59,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457169031] [2022-11-23 15:00:59,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457169031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:00:59,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:00:59,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:00:59,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144910088] [2022-11-23 15:00:59,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:00:59,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:00:59,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:00:59,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:00:59,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:00:59,387 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:00,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:00,104 INFO L93 Difference]: Finished difference Result 43 states and 59 transitions. [2022-11-23 15:01:00,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:01:00,104 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:01:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:00,105 INFO L225 Difference]: With dead ends: 43 [2022-11-23 15:01:00,105 INFO L226 Difference]: Without dead ends: 43 [2022-11-23 15:01:00,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:01:00,105 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 54 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:00,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 0 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:01:00,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-23 15:01:00,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2022-11-23 15:01:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 40 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2022-11-23 15:01:00,107 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 16 [2022-11-23 15:01:00,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:00,107 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2022-11-23 15:01:00,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2022-11-23 15:01:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:01:00,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:00,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:00,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-11-23 15:01:00,108 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:01:00,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:00,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1312645740, now seen corresponding path program 14 times [2022-11-23 15:01:00,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:01:00,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720576034] [2022-11-23 15:01:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:01:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:00,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:01:00,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720576034] [2022-11-23 15:01:00,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720576034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:00,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:00,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:01:00,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108788836] [2022-11-23 15:01:00,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:00,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:01:00,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:01:00,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:01:00,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:01:00,907 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:01,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:01,487 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2022-11-23 15:01:01,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:01:01,487 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:01:01,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:01,487 INFO L225 Difference]: With dead ends: 41 [2022-11-23 15:01:01,487 INFO L226 Difference]: Without dead ends: 30 [2022-11-23 15:01:01,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:01:01,488 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:01,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:01:01,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-23 15:01:01,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-23 15:01:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2022-11-23 15:01:01,489 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 16 [2022-11-23 15:01:01,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:01,489 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-11-23 15:01:01,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-11-23 15:01:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:01:01,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:01,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:01,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-11-23 15:01:01,490 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:01:01,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:01,491 INFO L85 PathProgramCache]: Analyzing trace with hash 631796433, now seen corresponding path program 28 times [2022-11-23 15:01:01,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:01:01,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578968731] [2022-11-23 15:01:01,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:01:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:02,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:01:02,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578968731] [2022-11-23 15:01:02,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578968731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:02,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:02,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:01:02,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044573734] [2022-11-23 15:01:02,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:02,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:01:02,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:01:02,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:01:02,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:01:02,259 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:02,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:02,662 INFO L93 Difference]: Finished difference Result 28 states and 37 transitions. [2022-11-23 15:01:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:01:02,662 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:01:02,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:02,662 INFO L225 Difference]: With dead ends: 28 [2022-11-23 15:01:02,663 INFO L226 Difference]: Without dead ends: 28 [2022-11-23 15:01:02,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:01:02,663 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:02,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 0 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:01:02,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-23 15:01:02,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-23 15:01:02,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 27 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) [2022-11-23 15:01:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2022-11-23 15:01:02,665 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 16 [2022-11-23 15:01:02,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:02,665 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2022-11-23 15:01:02,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-11-23 15:01:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:01:02,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:02,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:02,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-11-23 15:01:02,666 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 15:01:02,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:02,666 INFO L85 PathProgramCache]: Analyzing trace with hash 631796460, now seen corresponding path program 15 times [2022-11-23 15:01:02,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:01:02,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294535538] [2022-11-23 15:01:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:02,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:01:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:03,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:01:03,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294535538] [2022-11-23 15:01:03,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294535538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:03,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:03,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:01:03,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610509003] [2022-11-23 15:01:03,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:03,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:01:03,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:01:03,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:01:03,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:01:03,547 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:04,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:04,021 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2022-11-23 15:01:04,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:01:04,022 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:01:04,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:04,022 INFO L225 Difference]: With dead ends: 26 [2022-11-23 15:01:04,022 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:01:04,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:01:04,023 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:04,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:01:04,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:01:04,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:01:04,023 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) [2022-11-23 15:01:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:01:04,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-11-23 15:01:04,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:04,024 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:01:04,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:01:04,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:01:04,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2022-11-23 15:01:04,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-11-23 15:01:04,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-23 15:01:04,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-23 15:01:04,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-23 15:01:04,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-23 15:01:04,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-23 15:01:04,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-23 15:01:04,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-11-23 15:01:04,031 INFO L444 BasicCegarLoop]: Path program histogram: [28, 15, 5, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1] [2022-11-23 15:01:04,036 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 15:01:04,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:01:04,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:01:04 BasicIcfg [2022-11-23 15:01:04,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:01:04,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:01:04,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:01:04,040 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:01:04,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:58:04" (3/4) ... [2022-11-23 15:01:04,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:01:04,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2022-11-23 15:01:04,054 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-23 15:01:04,054 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 15:01:04,055 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 15:01:04,055 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:01:04,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:01:04,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:01:04,104 INFO L158 Benchmark]: Toolchain (without parser) took 181790.14ms. Allocated memory was 155.2MB in the beginning and 633.3MB in the end (delta: 478.2MB). Free memory was 112.0MB in the beginning and 272.9MB in the end (delta: -160.9MB). Peak memory consumption was 319.4MB. Max. memory is 16.1GB. [2022-11-23 15:01:04,104 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:01:04,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.11ms. Allocated memory is still 155.2MB. Free memory was 112.0MB in the beginning and 103.8MB in the end (delta: 8.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-11-23 15:01:04,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.11ms. Allocated memory is still 155.2MB. Free memory was 103.8MB in the beginning and 100.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:01:04,107 INFO L158 Benchmark]: Boogie Preprocessor took 42.34ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:01:04,107 INFO L158 Benchmark]: RCFGBuilder took 783.42ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 74.3MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 15:01:04,107 INFO L158 Benchmark]: TraceAbstraction took 179539.30ms. Allocated memory was 155.2MB in the beginning and 633.3MB in the end (delta: 478.2MB). Free memory was 73.2MB in the beginning and 276.0MB in the end (delta: -202.9MB). Peak memory consumption was 274.0MB. Max. memory is 16.1GB. [2022-11-23 15:01:04,108 INFO L158 Benchmark]: Witness Printer took 61.77ms. Allocated memory is still 633.3MB. Free memory was 276.0MB in the beginning and 272.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:01:04,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.11ms. Allocated memory is still 155.2MB. Free memory was 112.0MB in the beginning and 103.8MB in the end (delta: 8.1MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.11ms. Allocated memory is still 155.2MB. Free memory was 103.8MB in the beginning and 100.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.34ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 783.42ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 74.3MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 179539.30ms. Allocated memory was 155.2MB in the beginning and 633.3MB in the end (delta: 478.2MB). Free memory was 73.2MB in the beginning and 276.0MB in the end (delta: -202.9MB). Peak memory consumption was 274.0MB. Max. memory is 16.1GB. * Witness Printer took 61.77ms. Allocated memory is still 633.3MB. Free memory was 276.0MB in the beginning and 272.9MB in the end (delta: 3.1MB). 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: 62.0s, 195 PlacesBefore, 37 PlacesAfterwards, 197 TransitionsBefore, 34 TransitionsAfterwards, 4500 CoEnabledTransitionPairs, 9 FixpointIterations, 103 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 28 ConcurrentYvCompositions, 5 ChoiceCompositions, 217 TotalNumberOfCompositions, 10085 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4951, independent: 4628, independent conditional: 0, independent unconditional: 4628, dependent: 216, dependent conditional: 0, dependent unconditional: 216, unknown: 107, unknown conditional: 0, unknown unconditional: 107] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3152, independent: 3086, independent conditional: 0, independent unconditional: 3086, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3152, independent: 3073, independent conditional: 0, independent unconditional: 3073, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40226, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 2341, dependent conditional: 0, dependent unconditional: 2341, unknown: 37732, unknown conditional: 0, unknown unconditional: 37732] ], Cache Queries: [ total: 4951, independent: 1542, independent conditional: 0, independent unconditional: 1542, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 3241, unknown conditional: 0, unknown unconditional: 3241] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 11, Unknown conditional cache size: 0, Unknown unconditional cache size: 11 - 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: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1712]: 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, 210 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 179.3s, OverallIterations: 79, TraceHistogramMax: 1, PathProgramHistogramMax: 28, EmptinessCheckTime: 0.1s, AutomataDifference: 55.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 62.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4210 SdHoareTripleChecker+Valid, 27.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4210 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 24.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 1747 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21805 IncrementalHoareTripleChecker+Invalid, 23552 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1747 mSolverCounterUnsat, 21 mSDtfsCounter, 21805 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1509 GetRequests, 126 SyntacticMatches, 3 SemanticMatches, 1380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3620 ImplicationChecksByTransitivity, 37.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=439occurred in iteration=0, InterpolantAutomatonStates: 1101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 79 MinimizatonAttempts, 1433 StatesRemovedByMinimization, 62 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 58.5s InterpolantComputationTime, 1056 NumberOfCodeBlocks, 1056 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 977 ConstructedInterpolants, 0 QuantifiedInterpolants, 17327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 79 InterpolantComputations, 79 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! [2022-11-23 15:01:04,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff74ba02-0e11-46cb-a3d6-c588667d8c23/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE