./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:04,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:04,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:47:04,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:04,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:04,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:04,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:04,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:04,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:04,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:04,227 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:04,228 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:04,229 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:04,230 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:04,231 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:04,231 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:04,231 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:04,232 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:04,232 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:04,233 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:04,233 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:04,234 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:04,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:04,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:04,236 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:47:04,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:04,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:47:04,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:04,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:04,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:04,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:04,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:47:04,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:47:04,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:47:04,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:04,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:04,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:04,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:04,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:04,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:04,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:04,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:04,242 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:04,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:04,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:04,243 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:04,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:04,244 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 [2023-11-12 00:47:04,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:04,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:04,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:04,648 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:04,649 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:04,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-11-12 00:47:07,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:08,047 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:08,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-11-12 00:47:08,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/data/2b021ce9e/f415b6457bb548988a60861197212cdf/FLAG9f0949354 [2023-11-12 00:47:08,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/data/2b021ce9e/f415b6457bb548988a60861197212cdf [2023-11-12 00:47:08,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:08,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:08,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:08,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:08,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:08,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:08" (1/1) ... [2023-11-12 00:47:08,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f59deee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:08, skipping insertion in model container [2023-11-12 00:47:08,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:08" (1/1) ... [2023-11-12 00:47:08,200 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:08,441 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:47:09,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:09,044 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:09,057 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:47:09,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:09,283 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:09,283 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:09,283 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:09,292 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:09,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09 WrapperNode [2023-11-12 00:47:09,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:09,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:09,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:09,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:09,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,410 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 162 [2023-11-12 00:47:09,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:09,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:09,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:09,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:09,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:09,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:09,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:09,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:09,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (1/1) ... [2023-11-12 00:47:09,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:09,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:09,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:09,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d7fdb7-b0a2-42d7-a63c-4fe5c9695613/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:47:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:47:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:47:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:47:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:47:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:47:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-12 00:47:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-12 00:47:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:47:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:47:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:09,583 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:47:09,986 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:09,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:10,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:10,397 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:10,399 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:47:10,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:10 BoogieIcfgContainer [2023-11-12 00:47:10,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:10,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:10,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:10,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:10,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:08" (1/3) ... [2023-11-12 00:47:10,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649000ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:10, skipping insertion in model container [2023-11-12 00:47:10,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:09" (2/3) ... [2023-11-12 00:47:10,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649000ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:10, skipping insertion in model container [2023-11-12 00:47:10,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:10" (3/3) ... [2023-11-12 00:47:10,423 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-11-12 00:47:10,432 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:47:10,443 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:10,443 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 00:47:10,443 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:47:10,517 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 00:47:10,554 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:47:10,568 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 195 transitions, 404 flow [2023-11-12 00:47:10,572 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 195 transitions, 404 flow [2023-11-12 00:47:10,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 195 transitions, 404 flow [2023-11-12 00:47:10,669 INFO L124 PetriNetUnfolderBase]: 14/249 cut-off events. [2023-11-12 00:47:10,669 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 00:47:10,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 249 events. 14/249 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 496 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 124. Up to 4 conditions per place. [2023-11-12 00:47:10,681 INFO L119 LiptonReduction]: Number of co-enabled transitions 5580 [2023-11-12 00:47:41,422 INFO L134 LiptonReduction]: Checked pairs total: 12592 [2023-11-12 00:47:41,422 INFO L136 LiptonReduction]: Total number of compositions: 218 [2023-11-12 00:47:41,443 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 37 transitions, 88 flow [2023-11-12 00:47:41,558 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 636 states, 616 states have (on average 2.767857142857143) internal successors, (1705), 635 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:41,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:41,600 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=LoopHeads, 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;@67427973, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:41,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 00:47:41,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 636 states, 616 states have (on average 2.767857142857143) internal successors, (1705), 635 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:47:41,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:41,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 00:47:41,616 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:41,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash 741637616, now seen corresponding path program 1 times [2023-11-12 00:47:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:41,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127315065] [2023-11-12 00:47:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:41,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:42,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:42,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127315065] [2023-11-12 00:47:42,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127315065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:42,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:42,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:47:42,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572148088] [2023-11-12 00:47:42,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:42,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:47:42,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:42,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:47:42,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:47:42,781 INFO L87 Difference]: Start difference. First operand has 636 states, 616 states have (on average 2.767857142857143) internal successors, (1705), 635 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:43,035 INFO L93 Difference]: Finished difference Result 634 states and 1641 transitions. [2023-11-12 00:47:43,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:47:43,040 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 [2023-11-12 00:47:43,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:43,079 INFO L225 Difference]: With dead ends: 634 [2023-11-12 00:47:43,079 INFO L226 Difference]: Without dead ends: 581 [2023-11-12 00:47:43,081 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 [2023-11-12 00:47:43,087 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:43,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:47:43,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2023-11-12 00:47:43,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2023-11-12 00:47:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 565 states have (on average 2.6371681415929205) internal successors, (1490), 580 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 1490 transitions. [2023-11-12 00:47:43,184 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 1490 transitions. Word has length 5 [2023-11-12 00:47:43,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:43,185 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 1490 transitions. [2023-11-12 00:47:43,185 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) [2023-11-12 00:47:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1490 transitions. [2023-11-12 00:47:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:47:43,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:43,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 00:47:43,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:47:43,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:43,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:43,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1515934547, now seen corresponding path program 1 times [2023-11-12 00:47:43,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:43,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772313836] [2023-11-12 00:47:43,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:43,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:43,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:43,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772313836] [2023-11-12 00:47:43,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772313836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:43,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:43,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:47:43,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543618315] [2023-11-12 00:47:43,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:43,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:47:43,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:43,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:47:43,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:47:43,696 INFO L87 Difference]: Start difference. First operand 581 states and 1490 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:43,954 INFO L93 Difference]: Finished difference Result 575 states and 1474 transitions. [2023-11-12 00:47:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:47:43,954 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 [2023-11-12 00:47:43,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:43,959 INFO L225 Difference]: With dead ends: 575 [2023-11-12 00:47:43,959 INFO L226 Difference]: Without dead ends: 575 [2023-11-12 00:47:43,960 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 [2023-11-12 00:47:43,961 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:43,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:47:43,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2023-11-12 00:47:44,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2023-11-12 00:47:44,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 559 states have (on average 2.636851520572451) internal successors, (1474), 574 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:44,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1474 transitions. [2023-11-12 00:47:44,028 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1474 transitions. Word has length 6 [2023-11-12 00:47:44,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:44,029 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 1474 transitions. [2023-11-12 00:47:44,029 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) [2023-11-12 00:47:44,029 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1474 transitions. [2023-11-12 00:47:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:47:44,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:44,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:44,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:47:44,035 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:44,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:44,036 INFO L85 PathProgramCache]: Analyzing trace with hash -264959208, now seen corresponding path program 1 times [2023-11-12 00:47:44,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:44,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749724561] [2023-11-12 00:47:44,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:44,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:44,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:44,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749724561] [2023-11-12 00:47:44,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749724561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:44,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:44,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:47:44,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017635108] [2023-11-12 00:47:44,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:44,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:47:44,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:44,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:47:44,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:47:44,744 INFO L87 Difference]: Start difference. First operand 575 states and 1474 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:44,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:44,986 INFO L93 Difference]: Finished difference Result 571 states and 1462 transitions. [2023-11-12 00:47:44,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:47:44,987 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 [2023-11-12 00:47:44,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:44,992 INFO L225 Difference]: With dead ends: 571 [2023-11-12 00:47:44,992 INFO L226 Difference]: Without dead ends: 571 [2023-11-12 00:47:44,994 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 [2023-11-12 00:47:44,998 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:45,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:47:45,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2023-11-12 00:47:45,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2023-11-12 00:47:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 555 states have (on average 2.6342342342342344) internal successors, (1462), 570 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:45,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 1462 transitions. [2023-11-12 00:47:45,026 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 1462 transitions. Word has length 7 [2023-11-12 00:47:45,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:45,026 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 1462 transitions. [2023-11-12 00:47:45,026 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) [2023-11-12 00:47:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1462 transitions. [2023-11-12 00:47:45,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:47:45,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:45,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:45,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:47:45,029 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:45,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:45,029 INFO L85 PathProgramCache]: Analyzing trace with hash 819182667, now seen corresponding path program 1 times [2023-11-12 00:47:45,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:45,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090893626] [2023-11-12 00:47:45,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:45,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:45,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:45,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090893626] [2023-11-12 00:47:45,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090893626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:45,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:45,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:47:45,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388539476] [2023-11-12 00:47:45,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:45,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:47:45,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:45,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:47:45,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:47:45,633 INFO L87 Difference]: Start difference. First operand 571 states and 1462 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:45,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:45,917 INFO L93 Difference]: Finished difference Result 567 states and 1450 transitions. [2023-11-12 00:47:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:47:45,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-12 00:47:45,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:45,924 INFO L225 Difference]: With dead ends: 567 [2023-11-12 00:47:45,924 INFO L226 Difference]: Without dead ends: 567 [2023-11-12 00:47:45,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:45,925 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 14 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:45,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:47:45,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2023-11-12 00:47:45,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2023-11-12 00:47:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 551 states have (on average 2.6315789473684212) internal successors, (1450), 566 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:45,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 1450 transitions. [2023-11-12 00:47:45,979 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 1450 transitions. Word has length 8 [2023-11-12 00:47:45,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:45,979 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 1450 transitions. [2023-11-12 00:47:45,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1450 transitions. [2023-11-12 00:47:45,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:47:45,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:45,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:45,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:47:45,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:45,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:45,982 INFO L85 PathProgramCache]: Analyzing trace with hash 376202994, now seen corresponding path program 1 times [2023-11-12 00:47:45,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:45,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415519871] [2023-11-12 00:47:45,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:45,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:46,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:46,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415519871] [2023-11-12 00:47:46,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415519871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:46,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:46,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:47:46,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851608781] [2023-11-12 00:47:46,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:46,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:47:46,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:46,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:47:46,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:47:46,597 INFO L87 Difference]: Start difference. First operand 567 states and 1450 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:46,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:46,882 INFO L93 Difference]: Finished difference Result 563 states and 1438 transitions. [2023-11-12 00:47:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:47:46,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-12 00:47:46,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:46,887 INFO L225 Difference]: With dead ends: 563 [2023-11-12 00:47:46,887 INFO L226 Difference]: Without dead ends: 563 [2023-11-12 00:47:46,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:46,888 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:46,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:47:46,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2023-11-12 00:47:46,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2023-11-12 00:47:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 547 states have (on average 2.6288848263254114) internal successors, (1438), 562 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1438 transitions. [2023-11-12 00:47:46,910 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1438 transitions. Word has length 8 [2023-11-12 00:47:46,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:46,911 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 1438 transitions. [2023-11-12 00:47:46,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1438 transitions. [2023-11-12 00:47:46,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:46,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:46,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:46,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:47:46,917 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:46,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:46,918 INFO L85 PathProgramCache]: Analyzing trace with hash -375101541, now seen corresponding path program 1 times [2023-11-12 00:47:46,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:46,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926821206] [2023-11-12 00:47:46,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:46,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:47,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:47,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:47,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926821206] [2023-11-12 00:47:47,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926821206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:47,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:47,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:47:47,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957879913] [2023-11-12 00:47:47,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:47,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:47,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:47,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:47,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:47,770 INFO L87 Difference]: Start difference. First operand 563 states and 1438 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) [2023-11-12 00:47:48,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:48,327 INFO L93 Difference]: Finished difference Result 578 states and 1481 transitions. [2023-11-12 00:47:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 00:47:48,328 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 [2023-11-12 00:47:48,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:48,334 INFO L225 Difference]: With dead ends: 578 [2023-11-12 00:47:48,334 INFO L226 Difference]: Without dead ends: 578 [2023-11-12 00:47:48,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:47:48,335 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:48,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:47:48,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-11-12 00:47:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 573. [2023-11-12 00:47:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 557 states have (on average 2.6337522441651706) internal successors, (1467), 572 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1467 transitions. [2023-11-12 00:47:48,360 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1467 transitions. Word has length 9 [2023-11-12 00:47:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:48,361 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 1467 transitions. [2023-11-12 00:47:48,361 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) [2023-11-12 00:47:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1467 transitions. [2023-11-12 00:47:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:48,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:48,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:48,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 00:47:48,364 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:48,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:48,364 INFO L85 PathProgramCache]: Analyzing trace with hash -375101537, now seen corresponding path program 1 times [2023-11-12 00:47:48,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:48,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884798502] [2023-11-12 00:47:48,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:48,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:49,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:49,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884798502] [2023-11-12 00:47:49,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884798502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:49,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:49,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 00:47:49,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67783788] [2023-11-12 00:47:49,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:49,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 00:47:49,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:49,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 00:47:49,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:47:49,315 INFO L87 Difference]: Start difference. First operand 573 states and 1467 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:49,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:49,778 INFO L93 Difference]: Finished difference Result 580 states and 1486 transitions. [2023-11-12 00:47:49,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 00:47:49,778 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-12 00:47:49,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:49,783 INFO L225 Difference]: With dead ends: 580 [2023-11-12 00:47:49,784 INFO L226 Difference]: Without dead ends: 580 [2023-11-12 00:47:49,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:47:49,785 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:49,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:47:49,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2023-11-12 00:47:49,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 579. [2023-11-12 00:47:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 563 states have (on average 2.635879218472469) internal successors, (1484), 578 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:49,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1484 transitions. [2023-11-12 00:47:49,808 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1484 transitions. Word has length 9 [2023-11-12 00:47:49,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:49,809 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 1484 transitions. [2023-11-12 00:47:49,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1484 transitions. [2023-11-12 00:47:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:49,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:49,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:49,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 00:47:49,815 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:49,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:49,815 INFO L85 PathProgramCache]: Analyzing trace with hash -375145406, now seen corresponding path program 1 times [2023-11-12 00:47:49,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:49,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590901044] [2023-11-12 00:47:49,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:49,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:50,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:50,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590901044] [2023-11-12 00:47:50,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590901044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:50,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:50,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:47:50,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716964017] [2023-11-12 00:47:50,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:50,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:47:50,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:50,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:47:50,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:47:50,119 INFO L87 Difference]: Start difference. First operand 579 states and 1484 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:50,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:50,480 INFO L93 Difference]: Finished difference Result 764 states and 1922 transitions. [2023-11-12 00:47:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:47:50,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-12 00:47:50,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:50,488 INFO L225 Difference]: With dead ends: 764 [2023-11-12 00:47:50,488 INFO L226 Difference]: Without dead ends: 760 [2023-11-12 00:47:50,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:50,489 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 76 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:50,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 8 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:47:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2023-11-12 00:47:50,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 639. [2023-11-12 00:47:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 623 states have (on average 2.6452648475120384) internal successors, (1648), 638 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1648 transitions. [2023-11-12 00:47:50,520 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1648 transitions. Word has length 9 [2023-11-12 00:47:50,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:50,521 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 1648 transitions. [2023-11-12 00:47:50,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1648 transitions. [2023-11-12 00:47:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:50,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:50,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:50,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 00:47:50,522 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:50,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:50,523 INFO L85 PathProgramCache]: Analyzing trace with hash -467550423, now seen corresponding path program 2 times [2023-11-12 00:47:50,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:50,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521826584] [2023-11-12 00:47:50,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:50,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:51,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:51,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521826584] [2023-11-12 00:47:51,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521826584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:51,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:51,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:47:51,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758762709] [2023-11-12 00:47:51,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:51,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:51,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:51,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:51,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:51,364 INFO L87 Difference]: Start difference. First operand 639 states and 1648 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) [2023-11-12 00:47:51,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:51,816 INFO L93 Difference]: Finished difference Result 640 states and 1650 transitions. [2023-11-12 00:47:51,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 00:47:51,816 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 [2023-11-12 00:47:51,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:51,822 INFO L225 Difference]: With dead ends: 640 [2023-11-12 00:47:51,822 INFO L226 Difference]: Without dead ends: 640 [2023-11-12 00:47:51,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:47:51,823 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:51,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:47:51,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2023-11-12 00:47:51,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 634. [2023-11-12 00:47:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 618 states have (on average 2.6423948220064726) internal successors, (1633), 633 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1633 transitions. [2023-11-12 00:47:51,851 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1633 transitions. Word has length 9 [2023-11-12 00:47:51,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:51,851 INFO L495 AbstractCegarLoop]: Abstraction has 634 states and 1633 transitions. [2023-11-12 00:47:51,852 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) [2023-11-12 00:47:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1633 transitions. [2023-11-12 00:47:51,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:51,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:51,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:51,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 00:47:51,853 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:51,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:51,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1222564773, now seen corresponding path program 2 times [2023-11-12 00:47:51,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:51,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634344056] [2023-11-12 00:47:51,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:51,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:52,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:52,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634344056] [2023-11-12 00:47:52,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634344056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:52,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:52,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:47:52,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389316306] [2023-11-12 00:47:52,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:52,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:52,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:52,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:52,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:52,580 INFO L87 Difference]: Start difference. First operand 634 states and 1633 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) [2023-11-12 00:47:53,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:53,326 INFO L93 Difference]: Finished difference Result 652 states and 1682 transitions. [2023-11-12 00:47:53,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:47:53,326 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 [2023-11-12 00:47:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:53,332 INFO L225 Difference]: With dead ends: 652 [2023-11-12 00:47:53,332 INFO L226 Difference]: Without dead ends: 652 [2023-11-12 00:47:53,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2023-11-12 00:47:53,333 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:53,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 00:47:53,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2023-11-12 00:47:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 638. [2023-11-12 00:47:53,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 622 states have (on average 2.644694533762058) internal successors, (1645), 637 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1645 transitions. [2023-11-12 00:47:53,358 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1645 transitions. Word has length 9 [2023-11-12 00:47:53,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:53,359 INFO L495 AbstractCegarLoop]: Abstraction has 638 states and 1645 transitions. [2023-11-12 00:47:53,359 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) [2023-11-12 00:47:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1645 transitions. [2023-11-12 00:47:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:53,360 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:53,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:53,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 00:47:53,360 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:53,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:53,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1222564769, now seen corresponding path program 3 times [2023-11-12 00:47:53,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:53,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381172429] [2023-11-12 00:47:53,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:53,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:54,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:54,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381172429] [2023-11-12 00:47:54,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381172429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:54,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:54,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:47:54,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941590097] [2023-11-12 00:47:54,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:54,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:54,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:54,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:54,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:54,180 INFO L87 Difference]: Start difference. First operand 638 states and 1645 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) [2023-11-12 00:47:54,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:54,671 INFO L93 Difference]: Finished difference Result 650 states and 1678 transitions. [2023-11-12 00:47:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 00:47:54,672 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 [2023-11-12 00:47:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:54,678 INFO L225 Difference]: With dead ends: 650 [2023-11-12 00:47:54,678 INFO L226 Difference]: Without dead ends: 650 [2023-11-12 00:47:54,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:47:54,679 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:54,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:47:54,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2023-11-12 00:47:54,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 640. [2023-11-12 00:47:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 624 states have (on average 2.6458333333333335) internal successors, (1651), 639 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1651 transitions. [2023-11-12 00:47:54,712 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1651 transitions. Word has length 9 [2023-11-12 00:47:54,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:54,713 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 1651 transitions. [2023-11-12 00:47:54,713 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) [2023-11-12 00:47:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1651 transitions. [2023-11-12 00:47:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:54,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:54,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:54,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 00:47:54,714 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:54,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:54,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1222613501, now seen corresponding path program 1 times [2023-11-12 00:47:54,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:54,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337820637] [2023-11-12 00:47:54,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:54,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:54,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:54,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337820637] [2023-11-12 00:47:54,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337820637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:54,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:54,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:47:54,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007552125] [2023-11-12 00:47:54,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:54,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:47:54,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:54,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:47:54,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:47:54,989 INFO L87 Difference]: Start difference. First operand 640 states and 1651 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:55,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:55,397 INFO L93 Difference]: Finished difference Result 826 states and 2049 transitions. [2023-11-12 00:47:55,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:47:55,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-12 00:47:55,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:55,404 INFO L225 Difference]: With dead ends: 826 [2023-11-12 00:47:55,404 INFO L226 Difference]: Without dead ends: 826 [2023-11-12 00:47:55,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:55,405 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 72 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:55,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 8 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:47:55,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2023-11-12 00:47:55,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 706. [2023-11-12 00:47:55,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 690 states have (on average 2.63768115942029) internal successors, (1820), 705 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1820 transitions. [2023-11-12 00:47:55,435 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1820 transitions. Word has length 9 [2023-11-12 00:47:55,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:55,435 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 1820 transitions. [2023-11-12 00:47:55,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1820 transitions. [2023-11-12 00:47:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:55,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:55,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:55,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 00:47:55,437 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:55,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:55,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1219479963, now seen corresponding path program 3 times [2023-11-12 00:47:55,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:55,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440952483] [2023-11-12 00:47:55,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:55,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:56,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:56,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440952483] [2023-11-12 00:47:56,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440952483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:56,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:56,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:47:56,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647183724] [2023-11-12 00:47:56,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:56,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:56,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:56,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:56,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:56,127 INFO L87 Difference]: Start difference. First operand 706 states and 1820 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) [2023-11-12 00:47:56,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:56,869 INFO L93 Difference]: Finished difference Result 721 states and 1859 transitions. [2023-11-12 00:47:56,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-12 00:47:56,869 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 [2023-11-12 00:47:56,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:56,875 INFO L225 Difference]: With dead ends: 721 [2023-11-12 00:47:56,875 INFO L226 Difference]: Without dead ends: 721 [2023-11-12 00:47:56,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:47:56,876 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:56,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 00:47:56,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2023-11-12 00:47:56,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 700. [2023-11-12 00:47:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 684 states have (on average 2.634502923976608) internal successors, (1802), 699 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:56,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1802 transitions. [2023-11-12 00:47:56,903 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1802 transitions. Word has length 9 [2023-11-12 00:47:56,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:56,904 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 1802 transitions. [2023-11-12 00:47:56,904 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) [2023-11-12 00:47:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1802 transitions. [2023-11-12 00:47:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:56,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:56,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:56,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-12 00:47:56,905 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:56,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:56,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1213223853, now seen corresponding path program 4 times [2023-11-12 00:47:56,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:56,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875742423] [2023-11-12 00:47:56,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:56,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:57,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:57,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875742423] [2023-11-12 00:47:57,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875742423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:57,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:57,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:47:57,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265771614] [2023-11-12 00:47:57,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:57,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:57,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:57,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:57,550 INFO L87 Difference]: Start difference. First operand 700 states and 1802 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) [2023-11-12 00:47:58,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:58,151 INFO L93 Difference]: Finished difference Result 704 states and 1811 transitions. [2023-11-12 00:47:58,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:47:58,152 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 [2023-11-12 00:47:58,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:58,158 INFO L225 Difference]: With dead ends: 704 [2023-11-12 00:47:58,158 INFO L226 Difference]: Without dead ends: 704 [2023-11-12 00:47:58,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:47:58,159 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:58,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 3 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 00:47:58,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2023-11-12 00:47:58,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 690. [2023-11-12 00:47:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 674 states have (on average 2.6305637982195846) internal successors, (1773), 689 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:47:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1773 transitions. [2023-11-12 00:47:58,184 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1773 transitions. Word has length 9 [2023-11-12 00:47:58,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:58,185 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1773 transitions. [2023-11-12 00:47:58,185 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) [2023-11-12 00:47:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1773 transitions. [2023-11-12 00:47:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:47:58,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:58,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:58,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-12 00:47:58,187 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 00:47:58,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1213223849, now seen corresponding path program 4 times [2023-11-12 00:47:58,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:58,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338435269] [2023-11-12 00:47:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:58,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:58,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:58,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338435269] [2023-11-12 00:47:58,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338435269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:58,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:58,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:47:58,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079067292] [2023-11-12 00:47:58,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:58,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:47:58,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:58,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:47:58,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:47:58,824 INFO L87 Difference]: Start difference. First operand 690 states and 1773 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) [2023-11-12 00:47:59,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:59,623 INFO L93 Difference]: Finished difference Result 691 states and 1775 transitions.