./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire --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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:23,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:23,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 20:37:23,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:23,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:23,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:23,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:23,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:23,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:23,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:23,528 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:23,529 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:23,530 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:23,532 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:37:23,533 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:23,533 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:23,534 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:37:23,534 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:37:23,535 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:23,536 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:37:23,536 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:37:23,537 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:37:23,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:23,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:23,540 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:23,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:37:23,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:23,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:23,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:23,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:23,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:23,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:37:23,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:37:23,545 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:23,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:23,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:23,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:23,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:23,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:23,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:23,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:23,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:23,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:23,549 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:37:23,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:37:23,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:23,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:23,551 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:23,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:23,551 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_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2023-11-23 20:37:23,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:23,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:23,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:23,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:23,942 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:23,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2023-11-23 20:37:27,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:27,605 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:27,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2023-11-23 20:37:27,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/data/602fde18b/87dbd40536e84b98ad931611c90d536d/FLAGdd39ad352 [2023-11-23 20:37:27,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/data/602fde18b/87dbd40536e84b98ad931611c90d536d [2023-11-23 20:37:27,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:27,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:27,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:27,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:27,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:27,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746c7fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27, skipping insertion in model container [2023-11-23 20:37:27,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:28,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:28,393 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:28,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:28,508 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:28,508 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:28,515 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:28,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28 WrapperNode [2023-11-23 20:37:28,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:28,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:28,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:28,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:28,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,579 INFO L138 Inliner]: procedures = 246, calls = 48, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 128 [2023-11-23 20:37:28,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:28,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:28,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:28,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:28,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:28,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:28,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:28,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:28,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (1/1) ... [2023-11-23 20:37:28,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:28,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:28,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:28,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08aa9dfd-8d57-43d5-917f-04aeb45e4e25/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-23 20:37:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-23 20:37:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:37:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:37:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:37:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:37:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:37:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:37:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:37:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:37:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:28,759 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:37:29,062 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:29,065 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:29,347 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:29,682 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:29,682 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:37:29,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:29 BoogieIcfgContainer [2023-11-23 20:37:29,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:29,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:29,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:29,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:29,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:27" (1/3) ... [2023-11-23 20:37:29,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38141d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:29, skipping insertion in model container [2023-11-23 20:37:29,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:28" (2/3) ... [2023-11-23 20:37:29,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38141d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:29, skipping insertion in model container [2023-11-23 20:37:29,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:29" (3/3) ... [2023-11-23 20:37:29,697 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-11-23 20:37:29,707 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 20:37:29,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:29,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 20:37:29,718 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 20:37:29,796 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 20:37:29,831 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 34 transitions, 82 flow [2023-11-23 20:37:29,900 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 452 states, 436 states have (on average 2.623853211009174) internal successors, (1144), 451 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:29,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:29,927 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;@1c69cc3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:29,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-23 20:37:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 436 states have (on average 2.623853211009174) internal successors, (1144), 451 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:37:29,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:29,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:29,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:29,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:29,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1950857458, now seen corresponding path program 1 times [2023-11-23 20:37:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:29,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821319293] [2023-11-23 20:37:29,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:29,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:31,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:31,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821319293] [2023-11-23 20:37:31,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821319293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:31,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:31,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:37:31,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923418220] [2023-11-23 20:37:31,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:31,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:37:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:31,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:37:31,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:37:31,494 INFO L87 Difference]: Start difference. First operand has 452 states, 436 states have (on average 2.623853211009174) internal successors, (1144), 451 states have internal predecessors, (1144), 0 states have call successors, (0), 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 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-11-23 20:37:32,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:32,029 INFO L93 Difference]: Finished difference Result 605 states and 1490 transitions. [2023-11-23 20:37:32,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 20:37:32,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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 [2023-11-23 20:37:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:32,058 INFO L225 Difference]: With dead ends: 605 [2023-11-23 20:37:32,058 INFO L226 Difference]: Without dead ends: 591 [2023-11-23 20:37:32,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:37:32,065 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 66 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:32,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 9 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:37:32,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2023-11-23 20:37:32,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 493. [2023-11-23 20:37:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 477 states have (on average 2.631027253668763) internal successors, (1255), 492 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:32,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 1255 transitions. [2023-11-23 20:37:32,174 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 1255 transitions. Word has length 8 [2023-11-23 20:37:32,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:32,175 INFO L495 AbstractCegarLoop]: Abstraction has 493 states and 1255 transitions. [2023-11-23 20:37:32,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-11-23 20:37:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1255 transitions. [2023-11-23 20:37:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:37:32,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:32,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:32,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:37:32,178 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:32,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:32,179 INFO L85 PathProgramCache]: Analyzing trace with hash 339620532, now seen corresponding path program 1 times [2023-11-23 20:37:32,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:32,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564976857] [2023-11-23 20:37:32,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:32,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:32,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:32,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564976857] [2023-11-23 20:37:32,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564976857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:32,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:32,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:37:32,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181769190] [2023-11-23 20:37:32,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:32,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:37:32,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:32,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:37:32,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:37:32,981 INFO L87 Difference]: Start difference. First operand 493 states and 1255 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) [2023-11-23 20:37:33,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:33,726 INFO L93 Difference]: Finished difference Result 670 states and 1669 transitions. [2023-11-23 20:37:33,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 20:37:33,727 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 [2023-11-23 20:37:33,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:33,734 INFO L225 Difference]: With dead ends: 670 [2023-11-23 20:37:33,734 INFO L226 Difference]: Without dead ends: 656 [2023-11-23 20:37:33,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2023-11-23 20:37:33,741 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 114 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:33,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 16 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:37:33,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2023-11-23 20:37:33,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 515. [2023-11-23 20:37:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 499 states have (on average 2.6432865731462925) internal successors, (1319), 514 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 1319 transitions. [2023-11-23 20:37:33,789 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 1319 transitions. Word has length 9 [2023-11-23 20:37:33,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:33,790 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 1319 transitions. [2023-11-23 20:37:33,790 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) [2023-11-23 20:37:33,790 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1319 transitions. [2023-11-23 20:37:33,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:37:33,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:33,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:33,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:37:33,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:33,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:33,795 INFO L85 PathProgramCache]: Analyzing trace with hash 346770372, now seen corresponding path program 2 times [2023-11-23 20:37:33,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:33,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169881138] [2023-11-23 20:37:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:33,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:34,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:34,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169881138] [2023-11-23 20:37:34,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169881138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:34,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:34,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:37:34,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642419737] [2023-11-23 20:37:34,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:34,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:37:34,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:34,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:37:34,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:37:34,436 INFO L87 Difference]: Start difference. First operand 515 states and 1319 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) [2023-11-23 20:37:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:34,992 INFO L93 Difference]: Finished difference Result 611 states and 1512 transitions. [2023-11-23 20:37:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 20:37:34,992 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 [2023-11-23 20:37:34,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:34,997 INFO L225 Difference]: With dead ends: 611 [2023-11-23 20:37:34,997 INFO L226 Difference]: Without dead ends: 597 [2023-11-23 20:37:34,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2023-11-23 20:37:34,999 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 113 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:35,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 15 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:37:35,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2023-11-23 20:37:35,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 460. [2023-11-23 20:37:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 444 states have (on average 2.6103603603603602) internal successors, (1159), 459 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 1159 transitions. [2023-11-23 20:37:35,024 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 1159 transitions. Word has length 9 [2023-11-23 20:37:35,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:35,025 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 1159 transitions. [2023-11-23 20:37:35,025 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) [2023-11-23 20:37:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 1159 transitions. [2023-11-23 20:37:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:37:35,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:35,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:35,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:37:35,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:35,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:35,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1945444226, now seen corresponding path program 1 times [2023-11-23 20:37:35,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:35,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612884646] [2023-11-23 20:37:35,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:35,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:35,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:35,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612884646] [2023-11-23 20:37:35,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612884646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:35,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:35,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:37:35,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497770683] [2023-11-23 20:37:35,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:35,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:37:35,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:35,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:37:35,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:37:35,568 INFO L87 Difference]: Start difference. First operand 460 states and 1159 transitions. Second operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:36,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:36,032 INFO L93 Difference]: Finished difference Result 552 states and 1344 transitions. [2023-11-23 20:37:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 20:37:36,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-23 20:37:36,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:36,038 INFO L225 Difference]: With dead ends: 552 [2023-11-23 20:37:36,038 INFO L226 Difference]: Without dead ends: 536 [2023-11-23 20:37:36,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2023-11-23 20:37:36,039 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 107 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:36,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 12 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:37:36,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-11-23 20:37:36,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 472. [2023-11-23 20:37:36,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 456 states have (on average 2.5921052631578947) internal successors, (1182), 471 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 1182 transitions. [2023-11-23 20:37:36,059 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 1182 transitions. Word has length 10 [2023-11-23 20:37:36,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:36,059 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 1182 transitions. [2023-11-23 20:37:36,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1182 transitions. [2023-11-23 20:37:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:37:36,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:36,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:36,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:37:36,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:36,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:36,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1261294659, now seen corresponding path program 1 times [2023-11-23 20:37:36,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:36,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910117880] [2023-11-23 20:37:36,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:36,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:36,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:36,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910117880] [2023-11-23 20:37:36,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910117880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:36,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:36,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 20:37:36,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326438774] [2023-11-23 20:37:36,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:36,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:37:36,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:36,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:37:36,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:37:36,897 INFO L87 Difference]: Start difference. First operand 472 states and 1182 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:38,073 INFO L93 Difference]: Finished difference Result 657 states and 1635 transitions. [2023-11-23 20:37:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 20:37:38,074 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:37:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:38,079 INFO L225 Difference]: With dead ends: 657 [2023-11-23 20:37:38,080 INFO L226 Difference]: Without dead ends: 634 [2023-11-23 20:37:38,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2023-11-23 20:37:38,081 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 130 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:38,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 39 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:37:38,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2023-11-23 20:37:38,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 517. [2023-11-23 20:37:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 501 states have (on average 2.6187624750499) internal successors, (1312), 516 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 1312 transitions. [2023-11-23 20:37:38,105 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 1312 transitions. Word has length 12 [2023-11-23 20:37:38,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:38,106 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 1312 transitions. [2023-11-23 20:37:38,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1312 transitions. [2023-11-23 20:37:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:37:38,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:38,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:38,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 20:37:38,108 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:38,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:38,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1261294883, now seen corresponding path program 1 times [2023-11-23 20:37:38,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:38,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873137983] [2023-11-23 20:37:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:38,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:38,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:38,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873137983] [2023-11-23 20:37:38,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873137983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:38,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:38,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 20:37:38,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182874876] [2023-11-23 20:37:38,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:38,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:37:38,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:38,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:37:38,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:37:38,845 INFO L87 Difference]: Start difference. First operand 517 states and 1312 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:39,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:39,960 INFO L93 Difference]: Finished difference Result 745 states and 1859 transitions. [2023-11-23 20:37:39,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 20:37:39,961 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:37:39,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:39,967 INFO L225 Difference]: With dead ends: 745 [2023-11-23 20:37:39,968 INFO L226 Difference]: Without dead ends: 724 [2023-11-23 20:37:39,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2023-11-23 20:37:39,969 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 174 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:39,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 25 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:37:39,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2023-11-23 20:37:39,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 537. [2023-11-23 20:37:39,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 521 states have (on average 2.6238003838771595) internal successors, (1367), 536 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1367 transitions. [2023-11-23 20:37:40,003 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1367 transitions. Word has length 12 [2023-11-23 20:37:40,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:40,003 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 1367 transitions. [2023-11-23 20:37:40,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1367 transitions. [2023-11-23 20:37:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:37:40,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:40,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:40,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 20:37:40,006 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:40,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:40,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1266657263, now seen corresponding path program 2 times [2023-11-23 20:37:40,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:40,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289469600] [2023-11-23 20:37:40,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:40,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:40,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:40,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289469600] [2023-11-23 20:37:40,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289469600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:40,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:40,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 20:37:40,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74576179] [2023-11-23 20:37:40,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:40,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:37:40,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:40,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:37:40,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:37:40,869 INFO L87 Difference]: Start difference. First operand 537 states and 1367 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:42,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:42,395 INFO L93 Difference]: Finished difference Result 740 states and 1839 transitions. [2023-11-23 20:37:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 20:37:42,396 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:37:42,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:42,402 INFO L225 Difference]: With dead ends: 740 [2023-11-23 20:37:42,402 INFO L226 Difference]: Without dead ends: 719 [2023-11-23 20:37:42,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=236, Invalid=756, Unknown=0, NotChecked=0, Total=992 [2023-11-23 20:37:42,403 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 164 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:42,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 51 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:37:42,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2023-11-23 20:37:42,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 512. [2023-11-23 20:37:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 496 states have (on average 2.6048387096774195) internal successors, (1292), 511 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1292 transitions. [2023-11-23 20:37:42,450 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1292 transitions. Word has length 12 [2023-11-23 20:37:42,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:42,450 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 1292 transitions. [2023-11-23 20:37:42,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1292 transitions. [2023-11-23 20:37:42,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:37:42,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:42,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:42,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 20:37:42,452 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:42,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:42,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1460596449, now seen corresponding path program 2 times [2023-11-23 20:37:42,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:42,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063994185] [2023-11-23 20:37:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:42,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:43,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:43,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063994185] [2023-11-23 20:37:43,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063994185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:43,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:43,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 20:37:43,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895346677] [2023-11-23 20:37:43,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:43,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:37:43,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:43,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:37:43,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:37:43,128 INFO L87 Difference]: Start difference. First operand 512 states and 1292 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:44,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:44,493 INFO L93 Difference]: Finished difference Result 725 states and 1818 transitions. [2023-11-23 20:37:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-23 20:37:44,494 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:37:44,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:44,501 INFO L225 Difference]: With dead ends: 725 [2023-11-23 20:37:44,502 INFO L226 Difference]: Without dead ends: 702 [2023-11-23 20:37:44,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=193, Invalid=619, Unknown=0, NotChecked=0, Total=812 [2023-11-23 20:37:44,503 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 149 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:44,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 43 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:37:44,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-11-23 20:37:44,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 562. [2023-11-23 20:37:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 546 states have (on average 2.641025641025641) internal successors, (1442), 561 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1442 transitions. [2023-11-23 20:37:44,538 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1442 transitions. Word has length 12 [2023-11-23 20:37:44,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:44,539 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 1442 transitions. [2023-11-23 20:37:44,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1442 transitions. [2023-11-23 20:37:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:37:44,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:44,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:44,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 20:37:44,541 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:44,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1460596673, now seen corresponding path program 3 times [2023-11-23 20:37:44,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:44,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894727430] [2023-11-23 20:37:44,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:44,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:45,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:45,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894727430] [2023-11-23 20:37:45,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894727430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:45,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:45,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 20:37:45,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695677942] [2023-11-23 20:37:45,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:45,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:37:45,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:45,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:37:45,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:37:45,514 INFO L87 Difference]: Start difference. First operand 562 states and 1442 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:47,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:47,068 INFO L93 Difference]: Finished difference Result 780 states and 1949 transitions. [2023-11-23 20:37:47,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-23 20:37:47,068 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:37:47,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:47,078 INFO L225 Difference]: With dead ends: 780 [2023-11-23 20:37:47,078 INFO L226 Difference]: Without dead ends: 759 [2023-11-23 20:37:47,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2023-11-23 20:37:47,082 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 149 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:47,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 36 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:37:47,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2023-11-23 20:37:47,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 527. [2023-11-23 20:37:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 511 states have (on average 2.6164383561643834) internal successors, (1337), 526 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 1337 transitions. [2023-11-23 20:37:47,112 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 1337 transitions. Word has length 12 [2023-11-23 20:37:47,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:47,112 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 1337 transitions. [2023-11-23 20:37:47,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1337 transitions. [2023-11-23 20:37:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:37:47,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:47,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:47,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 20:37:47,114 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:47,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:47,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1115432495, now seen corresponding path program 3 times [2023-11-23 20:37:47,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:47,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561681283] [2023-11-23 20:37:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:47,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:47,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:47,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561681283] [2023-11-23 20:37:47,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561681283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:47,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:47,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 20:37:47,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278540182] [2023-11-23 20:37:47,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:47,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:37:47,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:48,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:37:48,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:37:48,000 INFO L87 Difference]: Start difference. First operand 527 states and 1337 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:49,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:49,089 INFO L93 Difference]: Finished difference Result 583 states and 1405 transitions. [2023-11-23 20:37:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 20:37:49,090 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:37:49,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:49,095 INFO L225 Difference]: With dead ends: 583 [2023-11-23 20:37:49,096 INFO L226 Difference]: Without dead ends: 560 [2023-11-23 20:37:49,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2023-11-23 20:37:49,097 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 109 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:49,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 28 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:37:49,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2023-11-23 20:37:49,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 437. [2023-11-23 20:37:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 425 states have (on average 2.5223529411764707) internal successors, (1072), 436 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 1072 transitions. [2023-11-23 20:37:49,125 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 1072 transitions. Word has length 12 [2023-11-23 20:37:49,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:49,126 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 1072 transitions. [2023-11-23 20:37:49,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1072 transitions. [2023-11-23 20:37:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:37:49,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:49,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:49,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 20:37:49,128 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:49,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:49,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1115432271, now seen corresponding path program 4 times [2023-11-23 20:37:49,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:49,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107244693] [2023-11-23 20:37:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:49,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:50,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:50,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107244693] [2023-11-23 20:37:50,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107244693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:50,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:50,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 20:37:50,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910804877] [2023-11-23 20:37:50,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:50,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:37:50,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:50,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:37:50,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:37:50,128 INFO L87 Difference]: Start difference. First operand 437 states and 1072 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:51,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:51,629 INFO L93 Difference]: Finished difference Result 656 states and 1588 transitions. [2023-11-23 20:37:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-23 20:37:51,630 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:37:51,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:51,635 INFO L225 Difference]: With dead ends: 656 [2023-11-23 20:37:51,635 INFO L226 Difference]: Without dead ends: 635 [2023-11-23 20:37:51,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2023-11-23 20:37:51,636 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 122 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:51,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 56 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 20:37:51,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2023-11-23 20:37:51,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 418. [2023-11-23 20:37:51,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 406 states have (on average 2.497536945812808) internal successors, (1014), 417 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 1014 transitions. [2023-11-23 20:37:51,654 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 1014 transitions. Word has length 12 [2023-11-23 20:37:51,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:51,655 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 1014 transitions. [2023-11-23 20:37:51,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:51,655 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1014 transitions. [2023-11-23 20:37:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:37:51,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:51,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:51,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 20:37:51,656 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:51,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:51,657 INFO L85 PathProgramCache]: Analyzing trace with hash 385402083, now seen corresponding path program 5 times [2023-11-23 20:37:51,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:51,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481509390] [2023-11-23 20:37:51,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:51,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:52,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:52,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481509390] [2023-11-23 20:37:52,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481509390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:52,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:52,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 20:37:52,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143359103] [2023-11-23 20:37:52,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:52,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 20:37:52,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:52,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 20:37:52,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:37:52,403 INFO L87 Difference]: Start difference. First operand 418 states and 1014 transitions. Second operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:53,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:53,774 INFO L93 Difference]: Finished difference Result 600 states and 1429 transitions. [2023-11-23 20:37:53,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-23 20:37:53,775 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:37:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:53,780 INFO L225 Difference]: With dead ends: 600 [2023-11-23 20:37:53,780 INFO L226 Difference]: Without dead ends: 579 [2023-11-23 20:37:53,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=220, Invalid=650, Unknown=0, NotChecked=0, Total=870 [2023-11-23 20:37:53,782 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 130 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:53,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 49 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:37:53,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2023-11-23 20:37:53,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 367. [2023-11-23 20:37:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 355 states have (on average 2.4422535211267604) internal successors, (867), 366 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 867 transitions. [2023-11-23 20:37:53,814 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 867 transitions. Word has length 12 [2023-11-23 20:37:53,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:53,817 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 867 transitions. [2023-11-23 20:37:53,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 867 transitions. [2023-11-23 20:37:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:37:53,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:53,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:53,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 20:37:53,820 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:53,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:53,820 INFO L85 PathProgramCache]: Analyzing trace with hash 777640966, now seen corresponding path program 1 times [2023-11-23 20:37:53,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:53,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316416061] [2023-11-23 20:37:53,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:53,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:54,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:54,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316416061] [2023-11-23 20:37:54,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316416061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:54,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:54,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 20:37:54,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318396297] [2023-11-23 20:37:54,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:54,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 20:37:54,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:54,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 20:37:54,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:37:54,755 INFO L87 Difference]: Start difference. First operand 367 states and 867 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:55,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:55,957 INFO L93 Difference]: Finished difference Result 528 states and 1199 transitions. [2023-11-23 20:37:55,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 20:37:55,958 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:37:55,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:55,962 INFO L225 Difference]: With dead ends: 528 [2023-11-23 20:37:55,962 INFO L226 Difference]: Without dead ends: 528 [2023-11-23 20:37:55,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=186, Invalid=806, Unknown=0, NotChecked=0, Total=992 [2023-11-23 20:37:55,963 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 171 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:55,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 49 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:37:55,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2023-11-23 20:37:55,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 413. [2023-11-23 20:37:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 401 states have (on average 2.428927680798005) internal successors, (974), 412 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 974 transitions. [2023-11-23 20:37:55,980 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 974 transitions. Word has length 14 [2023-11-23 20:37:55,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:55,980 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 974 transitions. [2023-11-23 20:37:55,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 974 transitions. [2023-11-23 20:37:55,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:37:55,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:55,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:55,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 20:37:55,982 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:55,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:55,983 INFO L85 PathProgramCache]: Analyzing trace with hash 777640967, now seen corresponding path program 1 times [2023-11-23 20:37:55,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:55,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98239074] [2023-11-23 20:37:55,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:55,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:56,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:56,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98239074] [2023-11-23 20:37:56,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98239074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:56,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:56,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 20:37:56,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997462158] [2023-11-23 20:37:56,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:56,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 20:37:56,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:56,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 20:37:56,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:37:56,828 INFO L87 Difference]: Start difference. First operand 413 states and 974 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:58,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:58,602 INFO L93 Difference]: Finished difference Result 918 states and 2142 transitions. [2023-11-23 20:37:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-23 20:37:58,603 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:37:58,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:58,610 INFO L225 Difference]: With dead ends: 918 [2023-11-23 20:37:58,610 INFO L226 Difference]: Without dead ends: 886 [2023-11-23 20:37:58,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=378, Invalid=1428, Unknown=0, NotChecked=0, Total=1806 [2023-11-23 20:37:58,611 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 254 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:58,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 69 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 20:37:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2023-11-23 20:37:58,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 514. [2023-11-23 20:37:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 502 states have (on average 2.4741035856573705) internal successors, (1242), 513 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 1242 transitions. [2023-11-23 20:37:58,639 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 1242 transitions. Word has length 14 [2023-11-23 20:37:58,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:58,639 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 1242 transitions. [2023-11-23 20:37:58,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:37:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1242 transitions. [2023-11-23 20:37:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:37:58,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:58,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:58,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 20:37:58,641 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:37:58,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:58,642 INFO L85 PathProgramCache]: Analyzing trace with hash 779428426, now seen corresponding path program 2 times [2023-11-23 20:37:58,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:58,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835240470] [2023-11-23 20:37:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:59,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:37:59,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:59,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835240470] [2023-11-23 20:37:59,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835240470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:59,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:59,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 20:37:59,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092283340] [2023-11-23 20:37:59,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:59,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 20:37:59,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:59,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 20:37:59,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:37:59,522 INFO L87 Difference]: Start difference. First operand 514 states and 1242 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:00,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:00,963 INFO L93 Difference]: Finished difference Result 681 states and 1581 transitions. [2023-11-23 20:38:00,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-23 20:38:00,963 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:38:00,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:00,968 INFO L225 Difference]: With dead ends: 681 [2023-11-23 20:38:00,968 INFO L226 Difference]: Without dead ends: 648 [2023-11-23 20:38:00,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=904, Unknown=0, NotChecked=0, Total=1122 [2023-11-23 20:38:00,970 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 164 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:00,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 53 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:38:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2023-11-23 20:38:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 525. [2023-11-23 20:38:00,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 513 states have (on average 2.46588693957115) internal successors, (1265), 524 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 1265 transitions. [2023-11-23 20:38:00,992 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 1265 transitions. Word has length 14 [2023-11-23 20:38:00,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:00,992 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 1265 transitions. [2023-11-23 20:38:00,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1265 transitions. [2023-11-23 20:38:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:38:00,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:00,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:00,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 20:38:00,994 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:38:00,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash 319828030, now seen corresponding path program 1 times [2023-11-23 20:38:00,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:00,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210870842] [2023-11-23 20:38:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:00,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:01,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:01,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210870842] [2023-11-23 20:38:01,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210870842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:01,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:01,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:38:01,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880978638] [2023-11-23 20:38:01,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:01,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:01,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:01,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:01,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:01,081 INFO L87 Difference]: Start difference. First operand 525 states and 1265 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:01,204 INFO L93 Difference]: Finished difference Result 257 states and 571 transitions. [2023-11-23 20:38:01,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:38:01,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:38:01,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:01,207 INFO L225 Difference]: With dead ends: 257 [2023-11-23 20:38:01,207 INFO L226 Difference]: Without dead ends: 230 [2023-11-23 20:38:01,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:01,208 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 35 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:01,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 0 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:38:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-23 20:38:01,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 217. [2023-11-23 20:38:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 213 states have (on average 2.248826291079812) internal successors, (479), 216 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 479 transitions. [2023-11-23 20:38:01,218 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 479 transitions. Word has length 14 [2023-11-23 20:38:01,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:01,218 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 479 transitions. [2023-11-23 20:38:01,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 479 transitions. [2023-11-23 20:38:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:38:01,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:01,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:01,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-23 20:38:01,220 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:38:01,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:01,221 INFO L85 PathProgramCache]: Analyzing trace with hash 917956576, now seen corresponding path program 3 times [2023-11-23 20:38:01,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:01,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024067803] [2023-11-23 20:38:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:01,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:02,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:02,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024067803] [2023-11-23 20:38:02,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024067803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:02,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:02,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 20:38:02,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086820880] [2023-11-23 20:38:02,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:02,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 20:38:02,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:02,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 20:38:02,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:38:02,007 INFO L87 Difference]: Start difference. First operand 217 states and 479 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:02,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:02,868 INFO L93 Difference]: Finished difference Result 301 states and 658 transitions. [2023-11-23 20:38:02,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 20:38:02,868 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:38:02,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:02,870 INFO L225 Difference]: With dead ends: 301 [2023-11-23 20:38:02,870 INFO L226 Difference]: Without dead ends: 269 [2023-11-23 20:38:02,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2023-11-23 20:38:02,872 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 122 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:02,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 0 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:38:02,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-11-23 20:38:02,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 253. [2023-11-23 20:38:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 249 states have (on average 2.2570281124497993) internal successors, (562), 252 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 562 transitions. [2023-11-23 20:38:02,881 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 562 transitions. Word has length 14 [2023-11-23 20:38:02,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:02,881 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 562 transitions. [2023-11-23 20:38:02,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 562 transitions. [2023-11-23 20:38:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:38:02,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:02,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:02,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 20:38:02,883 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:38:02,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:02,883 INFO L85 PathProgramCache]: Analyzing trace with hash 923405447, now seen corresponding path program 2 times [2023-11-23 20:38:02,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:02,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891802744] [2023-11-23 20:38:02,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:02,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:03,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:03,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891802744] [2023-11-23 20:38:03,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891802744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:03,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:03,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 20:38:03,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438333332] [2023-11-23 20:38:03,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:03,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 20:38:03,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:03,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 20:38:03,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:38:03,650 INFO L87 Difference]: Start difference. First operand 253 states and 562 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:05,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:05,234 INFO L93 Difference]: Finished difference Result 366 states and 801 transitions. [2023-11-23 20:38:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 20:38:05,235 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:38:05,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:05,239 INFO L225 Difference]: With dead ends: 366 [2023-11-23 20:38:05,239 INFO L226 Difference]: Without dead ends: 346 [2023-11-23 20:38:05,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=295, Invalid=895, Unknown=0, NotChecked=0, Total=1190 [2023-11-23 20:38:05,241 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 149 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:05,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 0 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:38:05,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-11-23 20:38:05,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 233. [2023-11-23 20:38:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 229 states have (on average 2.2489082969432315) internal successors, (515), 232 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 515 transitions. [2023-11-23 20:38:05,265 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 515 transitions. Word has length 14 [2023-11-23 20:38:05,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:05,265 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 515 transitions. [2023-11-23 20:38:05,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 515 transitions. [2023-11-23 20:38:05,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:38:05,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:05,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:05,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-23 20:38:05,269 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:38:05,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:05,269 INFO L85 PathProgramCache]: Analyzing trace with hash 923620486, now seen corresponding path program 1 times [2023-11-23 20:38:05,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:05,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599651039] [2023-11-23 20:38:05,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:05,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:05,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599651039] [2023-11-23 20:38:05,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599651039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:05,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:05,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:38:05,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637607264] [2023-11-23 20:38:05,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:05,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:38:05,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:05,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:38:05,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:38:05,776 INFO L87 Difference]: Start difference. First operand 233 states and 515 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:06,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:06,425 INFO L93 Difference]: Finished difference Result 283 states and 613 transitions. [2023-11-23 20:38:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-23 20:38:06,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:38:06,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:06,428 INFO L225 Difference]: With dead ends: 283 [2023-11-23 20:38:06,428 INFO L226 Difference]: Without dead ends: 283 [2023-11-23 20:38:06,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2023-11-23 20:38:06,430 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 149 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:06,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 0 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:38:06,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-23 20:38:06,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 269. [2023-11-23 20:38:06,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 265 states have (on average 2.2528301886792454) internal successors, (597), 268 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 597 transitions. [2023-11-23 20:38:06,441 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 597 transitions. Word has length 14 [2023-11-23 20:38:06,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:06,442 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 597 transitions. [2023-11-23 20:38:06,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 597 transitions. [2023-11-23 20:38:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:38:06,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:06,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:06,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-23 20:38:06,444 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:38:06,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:06,445 INFO L85 PathProgramCache]: Analyzing trace with hash 923620487, now seen corresponding path program 1 times [2023-11-23 20:38:06,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:06,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956652400] [2023-11-23 20:38:06,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:06,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:07,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:07,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956652400] [2023-11-23 20:38:07,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956652400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:07,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:07,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 20:38:07,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756073399] [2023-11-23 20:38:07,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:07,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 20:38:07,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:07,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 20:38:07,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:38:07,397 INFO L87 Difference]: Start difference. First operand 269 states and 597 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:08,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:08,574 INFO L93 Difference]: Finished difference Result 326 states and 702 transitions. [2023-11-23 20:38:08,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-23 20:38:08,574 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:38:08,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:08,577 INFO L225 Difference]: With dead ends: 326 [2023-11-23 20:38:08,577 INFO L226 Difference]: Without dead ends: 316 [2023-11-23 20:38:08,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2023-11-23 20:38:08,578 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 128 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:08,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 0 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:38:08,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2023-11-23 20:38:08,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 259. [2023-11-23 20:38:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 255 states have (on average 2.219607843137255) internal successors, (566), 258 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 566 transitions. [2023-11-23 20:38:08,589 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 566 transitions. Word has length 14 [2023-11-23 20:38:08,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:08,590 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 566 transitions. [2023-11-23 20:38:08,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:38:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 566 transitions. [2023-11-23 20:38:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:38:08,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:08,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:08,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-23 20:38:08,592 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-23 20:38:08,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:08,592 INFO L85 PathProgramCache]: Analyzing trace with hash -826551554, now seen corresponding path program 4 times [2023-11-23 20:38:08,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:08,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574299929] [2023-11-23 20:38:08,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:08,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:38:09,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:09,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574299929] [2023-11-23 20:38:09,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574299929] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:09,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:09,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 20:38:09,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183383250] [2023-11-23 20:38:09,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:09,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 20:38:09,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:09,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 20:38:09,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:38:09,455 INFO L87 Difference]: Start difference. First operand 259 states and 566 transitions. Second operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)