./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh --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 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:02:02,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:02:02,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 17:02:02,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:02:02,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:02:02,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:02:02,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:02:02,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:02:02,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:02:02,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:02:02,298 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:02:02,299 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:02:02,300 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:02:02,300 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:02:02,301 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:02:02,301 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:02:02,302 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:02:02,302 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:02:02,303 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:02:02,303 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:02:02,304 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:02:02,304 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:02:02,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:02:02,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:02:02,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:02:02,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:02:02,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:02:02,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:02:02,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:02:02,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:02:02,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:02:02,308 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:02:02,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:02:02,309 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:02:02,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:02:02,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:02:02,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:02:02,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:02:02,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:02:02,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:02:02,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:02:02,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:02:02,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:02:02,311 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:02:02,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:02:02,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:02:02,312 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:02:02,312 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:02:02,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:02:02,312 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_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece [2023-12-02 17:02:02,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:02:02,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:02:02,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:02:02,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:02:02,618 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:02:02,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-12-02 17:02:05,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:02:05,771 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:02:05,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-12-02 17:02:05,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/data/bd2509c27/0166901bef3849279ebddaa2a5c1db58/FLAG5b591b53d [2023-12-02 17:02:05,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/data/bd2509c27/0166901bef3849279ebddaa2a5c1db58 [2023-12-02 17:02:05,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:02:05,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:02:05,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:02:05,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:02:05,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:02:05,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:02:05" (1/1) ... [2023-12-02 17:02:05,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323424c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:05, skipping insertion in model container [2023-12-02 17:02:05,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:02:05" (1/1) ... [2023-12-02 17:02:05,940 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:02:06,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:02:06,379 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:02:06,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:02:06,485 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:02:06,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06 WrapperNode [2023-12-02 17:02:06,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:02:06,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:02:06,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:02:06,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:02:06,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,550 INFO L138 Inliner]: procedures = 246, calls = 48, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 153 [2023-12-02 17:02:06,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:02:06,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:02:06,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:02:06,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:02:06,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:02:06,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:02:06,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:02:06,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:02:06,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (1/1) ... [2023-12-02 17:02:06,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:02:06,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:02:06,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:02:06,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:02:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-12-02 17:02:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-12-02 17:02:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:02:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:02:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 17:02:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:02:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:02:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 17:02:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:02:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 17:02:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:02:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:02:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:02:06,685 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 17:02:06,934 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:02:06,935 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:02:07,228 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:02:07,445 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:02:07,445 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 17:02:07,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:02:07 BoogieIcfgContainer [2023-12-02 17:02:07,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:02:07,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:02:07,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:02:07,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:02:07,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:02:05" (1/3) ... [2023-12-02 17:02:07,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0f69ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:02:07, skipping insertion in model container [2023-12-02 17:02:07,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:02:06" (2/3) ... [2023-12-02 17:02:07,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0f69ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:02:07, skipping insertion in model container [2023-12-02 17:02:07,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:02:07" (3/3) ... [2023-12-02 17:02:07,455 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-12-02 17:02:07,465 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 17:02:07,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:02:07,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 17:02:07,475 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 17:02:07,532 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 17:02:07,566 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 38 transitions, 90 flow [2023-12-02 17:02:07,645 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 675 states, 659 states have (on average 2.6525037936267073) internal successors, (1748), 674 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:07,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:02:07,671 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;@1d11a65e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:02:07,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-12-02 17:02:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 675 states, 659 states have (on average 2.6525037936267073) internal successors, (1748), 674 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 17:02:07,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:07,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:07,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:07,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:07,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1614331893, now seen corresponding path program 1 times [2023-12-02 17:02:07,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:07,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584539120] [2023-12-02 17:02:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:07,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:08,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:08,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584539120] [2023-12-02 17:02:08,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584539120] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:08,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:08,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:02:08,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830095582] [2023-12-02 17:02:08,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:08,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:02:08,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:08,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:02:08,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:02:08,586 INFO L87 Difference]: Start difference. First operand has 675 states, 659 states have (on average 2.6525037936267073) internal successors, (1748), 674 states have internal predecessors, (1748), 0 states have call successors, (0), 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 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:08,997 INFO L93 Difference]: Finished difference Result 815 states and 2113 transitions. [2023-12-02 17:02:08,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 17:02:09,000 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-12-02 17:02:09,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:09,022 INFO L225 Difference]: With dead ends: 815 [2023-12-02 17:02:09,022 INFO L226 Difference]: Without dead ends: 773 [2023-12-02 17:02:09,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:02:09,027 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 69 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:09,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 54 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:09,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2023-12-02 17:02:09,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2023-12-02 17:02:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 757 states have (on average 2.6605019815059445) internal successors, (2014), 772 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 2014 transitions. [2023-12-02 17:02:09,120 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 2014 transitions. Word has length 8 [2023-12-02 17:02:09,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:09,120 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 2014 transitions. [2023-12-02 17:02:09,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:09,121 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 2014 transitions. [2023-12-02 17:02:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 17:02:09,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:09,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:09,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:02:09,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:09,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:09,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1498119706, now seen corresponding path program 1 times [2023-12-02 17:02:09,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:09,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822603027] [2023-12-02 17:02:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:09,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:09,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822603027] [2023-12-02 17:02:09,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822603027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:09,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:09,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:02:09,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513967840] [2023-12-02 17:02:09,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:09,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:09,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:09,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:09,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:09,591 INFO L87 Difference]: Start difference. First operand 773 states and 2014 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:10,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:10,108 INFO L93 Difference]: Finished difference Result 947 states and 2477 transitions. [2023-12-02 17:02:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:02:10,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-02 17:02:10,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:10,117 INFO L225 Difference]: With dead ends: 947 [2023-12-02 17:02:10,117 INFO L226 Difference]: Without dead ends: 905 [2023-12-02 17:02:10,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:02:10,119 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 136 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:10,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 64 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:10,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2023-12-02 17:02:10,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 805. [2023-12-02 17:02:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 789 states have (on average 2.6717363751584284) internal successors, (2108), 804 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 2108 transitions. [2023-12-02 17:02:10,153 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 2108 transitions. Word has length 9 [2023-12-02 17:02:10,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:10,153 INFO L495 AbstractCegarLoop]: Abstraction has 805 states and 2108 transitions. [2023-12-02 17:02:10,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:10,153 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 2108 transitions. [2023-12-02 17:02:10,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 17:02:10,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:10,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:10,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 17:02:10,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:10,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:10,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1495438516, now seen corresponding path program 2 times [2023-12-02 17:02:10,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:10,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110553824] [2023-12-02 17:02:10,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:10,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:10,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:10,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110553824] [2023-12-02 17:02:10,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110553824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:10,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:10,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:02:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274312473] [2023-12-02 17:02:10,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:10,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:10,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:10,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:10,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:10,575 INFO L87 Difference]: Start difference. First operand 805 states and 2108 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:11,110 INFO L93 Difference]: Finished difference Result 883 states and 2289 transitions. [2023-12-02 17:02:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:02:11,111 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-02 17:02:11,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:11,117 INFO L225 Difference]: With dead ends: 883 [2023-12-02 17:02:11,118 INFO L226 Difference]: Without dead ends: 841 [2023-12-02 17:02:11,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:02:11,120 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 129 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:11,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 64 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2023-12-02 17:02:11,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 709. [2023-12-02 17:02:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 693 states have (on average 2.634920634920635) internal successors, (1826), 708 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1826 transitions. [2023-12-02 17:02:11,149 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1826 transitions. Word has length 9 [2023-12-02 17:02:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:11,150 INFO L495 AbstractCegarLoop]: Abstraction has 709 states and 1826 transitions. [2023-12-02 17:02:11,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1826 transitions. [2023-12-02 17:02:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 17:02:11,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:11,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:11,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 17:02:11,152 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:11,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:11,153 INFO L85 PathProgramCache]: Analyzing trace with hash 822570093, now seen corresponding path program 1 times [2023-12-02 17:02:11,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:11,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201458753] [2023-12-02 17:02:11,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:11,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:11,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:11,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201458753] [2023-12-02 17:02:11,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201458753] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:11,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:11,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:02:11,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740749413] [2023-12-02 17:02:11,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:11,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:11,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:11,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:11,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:11,623 INFO L87 Difference]: Start difference. First operand 709 states and 1826 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:12,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:12,077 INFO L93 Difference]: Finished difference Result 713 states and 1777 transitions. [2023-12-02 17:02:12,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:02:12,078 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-12-02 17:02:12,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:12,083 INFO L225 Difference]: With dead ends: 713 [2023-12-02 17:02:12,083 INFO L226 Difference]: Without dead ends: 667 [2023-12-02 17:02:12,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:02:12,085 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 132 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:12,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 50 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:12,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2023-12-02 17:02:12,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2023-12-02 17:02:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 655 states have (on average 2.552671755725191) internal successors, (1672), 666 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1672 transitions. [2023-12-02 17:02:12,111 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1672 transitions. Word has length 10 [2023-12-02 17:02:12,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:12,112 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 1672 transitions. [2023-12-02 17:02:12,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:12,112 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1672 transitions. [2023-12-02 17:02:12,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:02:12,114 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:12,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:12,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 17:02:12,115 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:12,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:12,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1428468410, now seen corresponding path program 1 times [2023-12-02 17:02:12,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:12,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772050742] [2023-12-02 17:02:12,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:12,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:12,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:12,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772050742] [2023-12-02 17:02:12,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772050742] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:12,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:12,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 17:02:12,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350502040] [2023-12-02 17:02:12,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:12,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 17:02:12,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:12,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 17:02:12,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:02:12,958 INFO L87 Difference]: Start difference. First operand 667 states and 1672 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:13,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:13,783 INFO L93 Difference]: Finished difference Result 761 states and 1889 transitions. [2023-12-02 17:02:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:02:13,783 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-02 17:02:13,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:13,789 INFO L225 Difference]: With dead ends: 761 [2023-12-02 17:02:13,789 INFO L226 Difference]: Without dead ends: 687 [2023-12-02 17:02:13,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:02:13,791 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 182 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:13,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 70 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2023-12-02 17:02:13,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2023-12-02 17:02:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 675 states have (on average 2.551111111111111) internal successors, (1722), 686 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 1722 transitions. [2023-12-02 17:02:13,811 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 1722 transitions. Word has length 13 [2023-12-02 17:02:13,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:13,811 INFO L495 AbstractCegarLoop]: Abstraction has 687 states and 1722 transitions. [2023-12-02 17:02:13,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1722 transitions. [2023-12-02 17:02:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:02:13,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:13,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:13,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 17:02:13,814 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:13,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:13,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1961370491, now seen corresponding path program 1 times [2023-12-02 17:02:13,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:13,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535626731] [2023-12-02 17:02:13,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:13,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:14,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:14,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:14,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535626731] [2023-12-02 17:02:14,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535626731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:14,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:14,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 17:02:14,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250433284] [2023-12-02 17:02:14,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:14,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 17:02:14,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:14,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 17:02:14,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:02:14,462 INFO L87 Difference]: Start difference. First operand 687 states and 1722 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:15,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:15,300 INFO L93 Difference]: Finished difference Result 857 states and 2163 transitions. [2023-12-02 17:02:15,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:02:15,301 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-02 17:02:15,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:15,306 INFO L225 Difference]: With dead ends: 857 [2023-12-02 17:02:15,306 INFO L226 Difference]: Without dead ends: 787 [2023-12-02 17:02:15,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2023-12-02 17:02:15,307 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 173 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:15,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 81 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2023-12-02 17:02:15,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 727. [2023-12-02 17:02:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 715 states have (on average 2.5622377622377623) internal successors, (1832), 726 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1832 transitions. [2023-12-02 17:02:15,325 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1832 transitions. Word has length 13 [2023-12-02 17:02:15,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:15,325 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1832 transitions. [2023-12-02 17:02:15,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1832 transitions. [2023-12-02 17:02:15,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:02:15,327 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:15,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:15,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 17:02:15,327 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:15,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:15,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1961362130, now seen corresponding path program 2 times [2023-12-02 17:02:15,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:15,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198471587] [2023-12-02 17:02:15,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:15,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:15,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:15,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198471587] [2023-12-02 17:02:15,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198471587] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:15,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:15,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 17:02:15,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660637721] [2023-12-02 17:02:15,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:15,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 17:02:15,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:15,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 17:02:15,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:02:15,748 INFO L87 Difference]: Start difference. First operand 727 states and 1832 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:16,510 INFO L93 Difference]: Finished difference Result 845 states and 2105 transitions. [2023-12-02 17:02:16,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:02:16,511 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-02 17:02:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:16,517 INFO L225 Difference]: With dead ends: 845 [2023-12-02 17:02:16,517 INFO L226 Difference]: Without dead ends: 771 [2023-12-02 17:02:16,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2023-12-02 17:02:16,518 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 149 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:16,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 88 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2023-12-02 17:02:16,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 727. [2023-12-02 17:02:16,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 715 states have (on average 2.5622377622377623) internal successors, (1832), 726 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1832 transitions. [2023-12-02 17:02:16,543 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1832 transitions. Word has length 13 [2023-12-02 17:02:16,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:16,543 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1832 transitions. [2023-12-02 17:02:16,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1832 transitions. [2023-12-02 17:02:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:02:16,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:16,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:16,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 17:02:16,546 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:16,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1897604421, now seen corresponding path program 2 times [2023-12-02 17:02:16,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:16,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200300915] [2023-12-02 17:02:16,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:16,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:17,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:17,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200300915] [2023-12-02 17:02:17,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200300915] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:17,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:17,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 17:02:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115249895] [2023-12-02 17:02:17,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:17,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 17:02:17,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:17,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 17:02:17,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:02:17,184 INFO L87 Difference]: Start difference. First operand 727 states and 1832 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:17,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:17,943 INFO L93 Difference]: Finished difference Result 817 states and 2043 transitions. [2023-12-02 17:02:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:02:17,944 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-02 17:02:17,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:17,950 INFO L225 Difference]: With dead ends: 817 [2023-12-02 17:02:17,950 INFO L226 Difference]: Without dead ends: 747 [2023-12-02 17:02:17,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2023-12-02 17:02:17,952 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 118 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:17,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 81 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:17,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2023-12-02 17:02:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 727. [2023-12-02 17:02:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 715 states have (on average 2.5622377622377623) internal successors, (1832), 726 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:17,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1832 transitions. [2023-12-02 17:02:17,982 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1832 transitions. Word has length 13 [2023-12-02 17:02:17,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:17,982 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1832 transitions. [2023-12-02 17:02:17,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1832 transitions. [2023-12-02 17:02:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:02:17,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:17,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:17,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 17:02:17,985 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:17,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:17,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1907435451, now seen corresponding path program 3 times [2023-12-02 17:02:17,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:17,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847770043] [2023-12-02 17:02:17,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:17,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:18,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:18,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847770043] [2023-12-02 17:02:18,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847770043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:18,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:18,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 17:02:18,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442054032] [2023-12-02 17:02:18,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:18,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 17:02:18,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:18,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 17:02:18,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:02:18,598 INFO L87 Difference]: Start difference. First operand 727 states and 1832 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:19,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:19,398 INFO L93 Difference]: Finished difference Result 801 states and 1979 transitions. [2023-12-02 17:02:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:02:19,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-02 17:02:19,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:19,405 INFO L225 Difference]: With dead ends: 801 [2023-12-02 17:02:19,405 INFO L226 Difference]: Without dead ends: 731 [2023-12-02 17:02:19,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2023-12-02 17:02:19,406 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 139 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:19,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 134 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 17:02:19,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2023-12-02 17:02:19,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 667. [2023-12-02 17:02:19,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 655 states have (on average 2.5374045801526717) internal successors, (1662), 666 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1662 transitions. [2023-12-02 17:02:19,429 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1662 transitions. Word has length 13 [2023-12-02 17:02:19,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:19,429 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 1662 transitions. [2023-12-02 17:02:19,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:19,430 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1662 transitions. [2023-12-02 17:02:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 17:02:19,431 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:19,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:19,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 17:02:19,431 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:19,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:19,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1907732112, now seen corresponding path program 3 times [2023-12-02 17:02:19,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:19,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811386934] [2023-12-02 17:02:19,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:19,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:20,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:20,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811386934] [2023-12-02 17:02:20,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811386934] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:20,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:20,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 17:02:20,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665110264] [2023-12-02 17:02:20,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:20,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 17:02:20,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:20,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 17:02:20,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:02:20,003 INFO L87 Difference]: Start difference. First operand 667 states and 1662 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:20,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:20,620 INFO L93 Difference]: Finished difference Result 721 states and 1759 transitions. [2023-12-02 17:02:20,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:02:20,621 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-02 17:02:20,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:20,625 INFO L225 Difference]: With dead ends: 721 [2023-12-02 17:02:20,626 INFO L226 Difference]: Without dead ends: 647 [2023-12-02 17:02:20,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2023-12-02 17:02:20,627 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 127 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:20,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 101 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:20,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2023-12-02 17:02:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 587. [2023-12-02 17:02:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 575 states have (on average 2.4904347826086957) internal successors, (1432), 586 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1432 transitions. [2023-12-02 17:02:20,645 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1432 transitions. Word has length 13 [2023-12-02 17:02:20,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:20,645 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 1432 transitions. [2023-12-02 17:02:20,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1432 transitions. [2023-12-02 17:02:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 17:02:20,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:20,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:20,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 17:02:20,647 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:20,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:20,647 INFO L85 PathProgramCache]: Analyzing trace with hash 152073867, now seen corresponding path program 1 times [2023-12-02 17:02:20,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:20,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136090326] [2023-12-02 17:02:20,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:20,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:20,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:20,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136090326] [2023-12-02 17:02:20,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136090326] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:20,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:20,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 17:02:20,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948601496] [2023-12-02 17:02:20,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:20,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:02:20,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:20,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:02:20,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:02:20,722 INFO L87 Difference]: Start difference. First operand 587 states and 1432 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) [2023-12-02 17:02:20,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:20,813 INFO L93 Difference]: Finished difference Result 286 states and 657 transitions. [2023-12-02 17:02:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:02:20,814 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 [2023-12-02 17:02:20,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:20,816 INFO L225 Difference]: With dead ends: 286 [2023-12-02 17:02:20,816 INFO L226 Difference]: Without dead ends: 286 [2023-12-02 17:02:20,816 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 [2023-12-02 17:02:20,817 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 43 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:20,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 36 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:02:20,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-12-02 17:02:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2023-12-02 17:02:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 282 states have (on average 2.3297872340425534) internal successors, (657), 285 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 657 transitions. [2023-12-02 17:02:20,826 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 657 transitions. Word has length 14 [2023-12-02 17:02:20,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:20,826 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 657 transitions. [2023-12-02 17:02:20,826 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) [2023-12-02 17:02:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 657 transitions. [2023-12-02 17:02:20,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:20,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:20,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:20,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 17:02:20,827 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:20,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:20,828 INFO L85 PathProgramCache]: Analyzing trace with hash 385140216, now seen corresponding path program 1 times [2023-12-02 17:02:20,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:20,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952778011] [2023-12-02 17:02:20,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:20,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:21,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:21,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952778011] [2023-12-02 17:02:21,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952778011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:21,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:21,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:02:21,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266396415] [2023-12-02 17:02:21,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:21,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:21,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:21,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:21,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:21,216 INFO L87 Difference]: Start difference. First operand 286 states and 657 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:21,565 INFO L93 Difference]: Finished difference Result 473 states and 1084 transitions. [2023-12-02 17:02:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 17:02:21,565 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:21,567 INFO L225 Difference]: With dead ends: 473 [2023-12-02 17:02:21,567 INFO L226 Difference]: Without dead ends: 473 [2023-12-02 17:02:21,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:21,568 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 103 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:21,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 26 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:21,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2023-12-02 17:02:21,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 352. [2023-12-02 17:02:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 348 states have (on average 2.3477011494252875) internal successors, (817), 351 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 817 transitions. [2023-12-02 17:02:21,580 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 817 transitions. Word has length 15 [2023-12-02 17:02:21,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:21,580 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 817 transitions. [2023-12-02 17:02:21,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 817 transitions. [2023-12-02 17:02:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:21,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:21,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:21,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 17:02:21,582 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:21,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:21,582 INFO L85 PathProgramCache]: Analyzing trace with hash 803405856, now seen corresponding path program 2 times [2023-12-02 17:02:21,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:21,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487256277] [2023-12-02 17:02:21,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:21,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:22,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:22,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487256277] [2023-12-02 17:02:22,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487256277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:22,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:22,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:02:22,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565421365] [2023-12-02 17:02:22,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:22,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:22,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:22,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:22,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:22,002 INFO L87 Difference]: Start difference. First operand 352 states and 817 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:22,403 INFO L93 Difference]: Finished difference Result 521 states and 1199 transitions. [2023-12-02 17:02:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 17:02:22,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:22,407 INFO L225 Difference]: With dead ends: 521 [2023-12-02 17:02:22,407 INFO L226 Difference]: Without dead ends: 521 [2023-12-02 17:02:22,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:22,408 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 89 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:22,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 29 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2023-12-02 17:02:22,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 360. [2023-12-02 17:02:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 356 states have (on average 2.345505617977528) internal successors, (835), 359 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 835 transitions. [2023-12-02 17:02:22,420 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 835 transitions. Word has length 15 [2023-12-02 17:02:22,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:22,420 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 835 transitions. [2023-12-02 17:02:22,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 835 transitions. [2023-12-02 17:02:22,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:22,421 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:22,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:22,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 17:02:22,422 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:22,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:22,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1631590468, now seen corresponding path program 3 times [2023-12-02 17:02:22,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:22,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770379546] [2023-12-02 17:02:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:22,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:22,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:22,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770379546] [2023-12-02 17:02:22,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770379546] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:22,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:22,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:02:22,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771856043] [2023-12-02 17:02:22,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:22,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:22,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:22,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:22,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:22,865 INFO L87 Difference]: Start difference. First operand 360 states and 835 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:23,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:23,236 INFO L93 Difference]: Finished difference Result 563 states and 1286 transitions. [2023-12-02 17:02:23,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:02:23,237 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:23,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:23,241 INFO L225 Difference]: With dead ends: 563 [2023-12-02 17:02:23,241 INFO L226 Difference]: Without dead ends: 563 [2023-12-02 17:02:23,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:02:23,241 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 101 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:23,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 34 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:23,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2023-12-02 17:02:23,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 368. [2023-12-02 17:02:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 364 states have (on average 2.3434065934065935) internal successors, (853), 367 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 853 transitions. [2023-12-02 17:02:23,251 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 853 transitions. Word has length 15 [2023-12-02 17:02:23,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:23,251 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 853 transitions. [2023-12-02 17:02:23,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 853 transitions. [2023-12-02 17:02:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:23,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:23,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:23,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 17:02:23,252 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:23,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:23,252 INFO L85 PathProgramCache]: Analyzing trace with hash -613245603, now seen corresponding path program 1 times [2023-12-02 17:02:23,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:23,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511851167] [2023-12-02 17:02:23,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:23,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:23,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:23,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511851167] [2023-12-02 17:02:23,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511851167] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:23,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:23,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:02:23,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471436212] [2023-12-02 17:02:23,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:23,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:23,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:23,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:23,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:23,594 INFO L87 Difference]: Start difference. First operand 368 states and 853 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:24,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:24,006 INFO L93 Difference]: Finished difference Result 606 states and 1389 transitions. [2023-12-02 17:02:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 17:02:24,006 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:24,010 INFO L225 Difference]: With dead ends: 606 [2023-12-02 17:02:24,011 INFO L226 Difference]: Without dead ends: 606 [2023-12-02 17:02:24,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:02:24,012 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 91 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:24,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 25 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:24,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2023-12-02 17:02:24,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 436. [2023-12-02 17:02:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 432 states have (on average 2.361111111111111) internal successors, (1020), 435 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 1020 transitions. [2023-12-02 17:02:24,023 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 1020 transitions. Word has length 15 [2023-12-02 17:02:24,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:24,023 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 1020 transitions. [2023-12-02 17:02:24,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1020 transitions. [2023-12-02 17:02:24,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:24,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:24,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:24,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 17:02:24,025 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:24,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:24,025 INFO L85 PathProgramCache]: Analyzing trace with hash -621833772, now seen corresponding path program 4 times [2023-12-02 17:02:24,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:24,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556523823] [2023-12-02 17:02:24,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:24,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:24,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:24,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556523823] [2023-12-02 17:02:24,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556523823] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:24,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:24,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:02:24,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366795458] [2023-12-02 17:02:24,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:24,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:24,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:24,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:24,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:24,446 INFO L87 Difference]: Start difference. First operand 436 states and 1020 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:24,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:24,833 INFO L93 Difference]: Finished difference Result 647 states and 1474 transitions. [2023-12-02 17:02:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:02:24,834 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:24,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:24,838 INFO L225 Difference]: With dead ends: 647 [2023-12-02 17:02:24,838 INFO L226 Difference]: Without dead ends: 647 [2023-12-02 17:02:24,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-12-02 17:02:24,839 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 106 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:24,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 33 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:24,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2023-12-02 17:02:24,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 436. [2023-12-02 17:02:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 432 states have (on average 2.361111111111111) internal successors, (1020), 435 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 1020 transitions. [2023-12-02 17:02:24,849 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 1020 transitions. Word has length 15 [2023-12-02 17:02:24,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:24,849 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 1020 transitions. [2023-12-02 17:02:24,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1020 transitions. [2023-12-02 17:02:24,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:24,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:24,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:24,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 17:02:24,851 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:24,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:24,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2146652067, now seen corresponding path program 2 times [2023-12-02 17:02:24,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:24,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003316577] [2023-12-02 17:02:24,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:24,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:25,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:25,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003316577] [2023-12-02 17:02:25,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003316577] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:25,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:25,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:02:25,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613335700] [2023-12-02 17:02:25,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:25,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:25,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:25,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:25,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:25,278 INFO L87 Difference]: Start difference. First operand 436 states and 1020 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:25,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:25,649 INFO L93 Difference]: Finished difference Result 500 states and 1156 transitions. [2023-12-02 17:02:25,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 17:02:25,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:25,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:25,653 INFO L225 Difference]: With dead ends: 500 [2023-12-02 17:02:25,653 INFO L226 Difference]: Without dead ends: 500 [2023-12-02 17:02:25,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:02:25,654 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 66 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:25,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 31 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:25,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-12-02 17:02:25,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 436. [2023-12-02 17:02:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 432 states have (on average 2.361111111111111) internal successors, (1020), 435 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 1020 transitions. [2023-12-02 17:02:25,666 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 1020 transitions. Word has length 15 [2023-12-02 17:02:25,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:25,666 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 1020 transitions. [2023-12-02 17:02:25,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1020 transitions. [2023-12-02 17:02:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:25,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:25,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:25,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 17:02:25,668 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:25,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:25,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2134909279, now seen corresponding path program 3 times [2023-12-02 17:02:25,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:25,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613901336] [2023-12-02 17:02:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:25,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:26,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:26,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613901336] [2023-12-02 17:02:26,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613901336] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:26,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:26,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-02 17:02:26,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685021392] [2023-12-02 17:02:26,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:26,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:02:26,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:26,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:02:26,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:02:26,281 INFO L87 Difference]: Start difference. First operand 436 states and 1020 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:27,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:27,034 INFO L93 Difference]: Finished difference Result 516 states and 1192 transitions. [2023-12-02 17:02:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 17:02:27,035 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:27,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:27,039 INFO L225 Difference]: With dead ends: 516 [2023-12-02 17:02:27,039 INFO L226 Difference]: Without dead ends: 516 [2023-12-02 17:02:27,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:02:27,040 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 148 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:27,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 47 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:27,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2023-12-02 17:02:27,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 436. [2023-12-02 17:02:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 432 states have (on average 2.361111111111111) internal successors, (1020), 435 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 1020 transitions. [2023-12-02 17:02:27,053 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 1020 transitions. Word has length 15 [2023-12-02 17:02:27,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:27,053 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 1020 transitions. [2023-12-02 17:02:27,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1020 transitions. [2023-12-02 17:02:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:27,055 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:27,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:27,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 17:02:27,055 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:27,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:27,056 INFO L85 PathProgramCache]: Analyzing trace with hash 917050851, now seen corresponding path program 4 times [2023-12-02 17:02:27,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:27,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558161934] [2023-12-02 17:02:27,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:27,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:27,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:27,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558161934] [2023-12-02 17:02:27,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558161934] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:27,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:27,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-02 17:02:27,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445193745] [2023-12-02 17:02:27,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:27,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:02:27,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:27,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:02:27,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:02:27,632 INFO L87 Difference]: Start difference. First operand 436 states and 1020 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:28,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:28,607 INFO L93 Difference]: Finished difference Result 615 states and 1397 transitions. [2023-12-02 17:02:28,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 17:02:28,608 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:28,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:28,611 INFO L225 Difference]: With dead ends: 615 [2023-12-02 17:02:28,611 INFO L226 Difference]: Without dead ends: 615 [2023-12-02 17:02:28,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2023-12-02 17:02:28,612 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 214 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:28,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 53 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:28,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2023-12-02 17:02:28,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 427. [2023-12-02 17:02:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 424 states have (on average 2.358490566037736) internal successors, (1000), 426 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1000 transitions. [2023-12-02 17:02:28,624 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1000 transitions. Word has length 15 [2023-12-02 17:02:28,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:28,624 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 1000 transitions. [2023-12-02 17:02:28,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1000 transitions. [2023-12-02 17:02:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:28,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:28,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:28,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 17:02:28,626 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:28,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:28,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1456135680, now seen corresponding path program 5 times [2023-12-02 17:02:28,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:28,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116024779] [2023-12-02 17:02:28,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:28,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:28,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:28,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116024779] [2023-12-02 17:02:28,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116024779] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:28,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:28,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:02:28,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748774383] [2023-12-02 17:02:28,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:28,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:02:28,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:28,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:02:28,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:02:28,902 INFO L87 Difference]: Start difference. First operand 427 states and 1000 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:29,252 INFO L93 Difference]: Finished difference Result 627 states and 1461 transitions. [2023-12-02 17:02:29,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:02:29,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:29,255 INFO L225 Difference]: With dead ends: 627 [2023-12-02 17:02:29,255 INFO L226 Difference]: Without dead ends: 627 [2023-12-02 17:02:29,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:02:29,256 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 83 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:29,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 21 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:29,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2023-12-02 17:02:29,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 427. [2023-12-02 17:02:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 424 states have (on average 2.358490566037736) internal successors, (1000), 426 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1000 transitions. [2023-12-02 17:02:29,268 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1000 transitions. Word has length 15 [2023-12-02 17:02:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:29,269 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 1000 transitions. [2023-12-02 17:02:29,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1000 transitions. [2023-12-02 17:02:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:29,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:29,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:29,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 17:02:29,271 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:29,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:29,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1874401320, now seen corresponding path program 6 times [2023-12-02 17:02:29,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:29,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233839048] [2023-12-02 17:02:29,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:29,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:29,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:29,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233839048] [2023-12-02 17:02:29,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233839048] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:29,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:29,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:02:29,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983621928] [2023-12-02 17:02:29,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:29,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:02:29,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:29,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:02:29,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:02:29,547 INFO L87 Difference]: Start difference. First operand 427 states and 1000 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:29,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:29,828 INFO L93 Difference]: Finished difference Result 549 states and 1281 transitions. [2023-12-02 17:02:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:02:29,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:29,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:29,832 INFO L225 Difference]: With dead ends: 549 [2023-12-02 17:02:29,832 INFO L226 Difference]: Without dead ends: 549 [2023-12-02 17:02:29,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:02:29,833 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 60 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:29,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 18 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:02:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2023-12-02 17:02:29,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 422. [2023-12-02 17:02:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 419 states have (on average 2.3556085918854417) internal successors, (987), 421 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 987 transitions. [2023-12-02 17:02:29,842 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 987 transitions. Word has length 15 [2023-12-02 17:02:29,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:29,842 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 987 transitions. [2023-12-02 17:02:29,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 987 transitions. [2023-12-02 17:02:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:29,843 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:29,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:29,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 17:02:29,843 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:29,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:29,844 INFO L85 PathProgramCache]: Analyzing trace with hash -560595004, now seen corresponding path program 7 times [2023-12-02 17:02:29,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:29,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446741292] [2023-12-02 17:02:29,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:29,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:30,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:30,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446741292] [2023-12-02 17:02:30,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446741292] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:30,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:30,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:02:30,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053859218] [2023-12-02 17:02:30,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:30,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:02:30,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:30,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:02:30,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:02:30,081 INFO L87 Difference]: Start difference. First operand 422 states and 987 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:30,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:30,507 INFO L93 Difference]: Finished difference Result 644 states and 1475 transitions. [2023-12-02 17:02:30,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:02:30,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:30,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:30,512 INFO L225 Difference]: With dead ends: 644 [2023-12-02 17:02:30,513 INFO L226 Difference]: Without dead ends: 644 [2023-12-02 17:02:30,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:02:30,513 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 90 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:30,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 22 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:30,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2023-12-02 17:02:30,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 401. [2023-12-02 17:02:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 398 states have (on average 2.35678391959799) internal successors, (938), 400 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 938 transitions. [2023-12-02 17:02:30,523 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 938 transitions. Word has length 15 [2023-12-02 17:02:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:30,523 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 938 transitions. [2023-12-02 17:02:30,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 938 transitions. [2023-12-02 17:02:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 17:02:30,533 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:30,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:30,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 17:02:30,534 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:30,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:30,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2006716156, now seen corresponding path program 8 times [2023-12-02 17:02:30,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:30,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248585415] [2023-12-02 17:02:30,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:30,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:30,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:30,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248585415] [2023-12-02 17:02:30,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248585415] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:30,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:30,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 17:02:30,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742481902] [2023-12-02 17:02:30,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:30,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:02:30,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:30,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:02:30,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:02:30,821 INFO L87 Difference]: Start difference. First operand 401 states and 938 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:31,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:31,059 INFO L93 Difference]: Finished difference Result 437 states and 993 transitions. [2023-12-02 17:02:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:02:31,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 17:02:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:31,063 INFO L225 Difference]: With dead ends: 437 [2023-12-02 17:02:31,063 INFO L226 Difference]: Without dead ends: 437 [2023-12-02 17:02:31,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:31,064 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 143 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:31,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 30 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:02:31,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2023-12-02 17:02:31,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 405. [2023-12-02 17:02:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 402 states have (on average 2.310945273631841) internal successors, (929), 404 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:31,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 929 transitions. [2023-12-02 17:02:31,071 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 929 transitions. Word has length 15 [2023-12-02 17:02:31,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:31,071 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 929 transitions. [2023-12-02 17:02:31,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 929 transitions. [2023-12-02 17:02:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 17:02:31,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:31,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:31,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 17:02:31,073 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:31,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1437572591, now seen corresponding path program 1 times [2023-12-02 17:02:31,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:31,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927300601] [2023-12-02 17:02:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:31,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:31,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:31,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927300601] [2023-12-02 17:02:31,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927300601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:31,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:31,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 17:02:31,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170616378] [2023-12-02 17:02:31,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:31,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 17:02:31,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:31,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 17:02:31,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:02:31,572 INFO L87 Difference]: Start difference. First operand 405 states and 929 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:32,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:32,216 INFO L93 Difference]: Finished difference Result 469 states and 1069 transitions. [2023-12-02 17:02:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:02:32,216 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-02 17:02:32,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:32,218 INFO L225 Difference]: With dead ends: 469 [2023-12-02 17:02:32,219 INFO L226 Difference]: Without dead ends: 405 [2023-12-02 17:02:32,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:02:32,219 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 138 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:32,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 33 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2023-12-02 17:02:32,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2023-12-02 17:02:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 402 states have (on average 2.291044776119403) internal successors, (921), 404 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 921 transitions. [2023-12-02 17:02:32,226 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 921 transitions. Word has length 16 [2023-12-02 17:02:32,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:32,226 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 921 transitions. [2023-12-02 17:02:32,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:32,226 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 921 transitions. [2023-12-02 17:02:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 17:02:32,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:32,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:32,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 17:02:32,227 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:32,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:32,228 INFO L85 PathProgramCache]: Analyzing trace with hash 827548873, now seen corresponding path program 1 times [2023-12-02 17:02:32,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:32,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590652341] [2023-12-02 17:02:32,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:32,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:32,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590652341] [2023-12-02 17:02:32,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590652341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:32,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:32,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 17:02:32,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278864292] [2023-12-02 17:02:32,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:32,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 17:02:32,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:32,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 17:02:32,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:02:32,702 INFO L87 Difference]: Start difference. First operand 405 states and 921 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:33,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:33,483 INFO L93 Difference]: Finished difference Result 459 states and 1025 transitions. [2023-12-02 17:02:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:02:33,483 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-02 17:02:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:33,486 INFO L225 Difference]: With dead ends: 459 [2023-12-02 17:02:33,486 INFO L226 Difference]: Without dead ends: 431 [2023-12-02 17:02:33,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:02:33,487 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 121 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:33,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 44 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:33,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-12-02 17:02:33,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2023-12-02 17:02:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 428 states have (on average 2.2429906542056073) internal successors, (960), 430 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 960 transitions. [2023-12-02 17:02:33,496 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 960 transitions. Word has length 16 [2023-12-02 17:02:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:33,496 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 960 transitions. [2023-12-02 17:02:33,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 960 transitions. [2023-12-02 17:02:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 17:02:33,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:33,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:33,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 17:02:33,498 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:33,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:33,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2121704095, now seen corresponding path program 2 times [2023-12-02 17:02:33,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:33,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708082598] [2023-12-02 17:02:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:33,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:34,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:34,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708082598] [2023-12-02 17:02:34,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708082598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:34,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:34,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 17:02:34,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913015154] [2023-12-02 17:02:34,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:34,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 17:02:34,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:34,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 17:02:34,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:02:34,051 INFO L87 Difference]: Start difference. First operand 431 states and 960 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:34,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:34,697 INFO L93 Difference]: Finished difference Result 495 states and 1100 transitions. [2023-12-02 17:02:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:02:34,698 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-02 17:02:34,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:34,700 INFO L225 Difference]: With dead ends: 495 [2023-12-02 17:02:34,700 INFO L226 Difference]: Without dead ends: 411 [2023-12-02 17:02:34,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2023-12-02 17:02:34,700 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 115 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:34,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 31 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:34,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-12-02 17:02:34,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2023-12-02 17:02:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 408 states have (on average 2.218137254901961) internal successors, (905), 410 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:34,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 905 transitions. [2023-12-02 17:02:34,709 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 905 transitions. Word has length 16 [2023-12-02 17:02:34,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:34,709 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 905 transitions. [2023-12-02 17:02:34,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 905 transitions. [2023-12-02 17:02:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 17:02:34,710 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:34,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:34,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 17:02:34,711 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:34,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:34,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1636194149, now seen corresponding path program 3 times [2023-12-02 17:02:34,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:34,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54020153] [2023-12-02 17:02:34,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:34,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:35,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:35,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54020153] [2023-12-02 17:02:35,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54020153] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:35,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:35,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 17:02:35,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456796106] [2023-12-02 17:02:35,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:35,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 17:02:35,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:35,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 17:02:35,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:02:35,274 INFO L87 Difference]: Start difference. First operand 411 states and 905 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:35,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:35,988 INFO L93 Difference]: Finished difference Result 399 states and 876 transitions. [2023-12-02 17:02:35,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:02:35,988 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-02 17:02:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:35,990 INFO L225 Difference]: With dead ends: 399 [2023-12-02 17:02:35,990 INFO L226 Difference]: Without dead ends: 335 [2023-12-02 17:02:35,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:02:35,991 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 119 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:35,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 29 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-12-02 17:02:35,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2023-12-02 17:02:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 333 states have (on average 2.186186186186186) internal successors, (728), 334 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 728 transitions. [2023-12-02 17:02:35,996 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 728 transitions. Word has length 16 [2023-12-02 17:02:35,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:35,997 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 728 transitions. [2023-12-02 17:02:35,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 728 transitions. [2023-12-02 17:02:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 17:02:35,997 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:35,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:35,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 17:02:35,998 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:35,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:35,998 INFO L85 PathProgramCache]: Analyzing trace with hash 2048749429, now seen corresponding path program 2 times [2023-12-02 17:02:35,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:35,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020350211] [2023-12-02 17:02:35,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:35,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:36,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:36,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020350211] [2023-12-02 17:02:36,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020350211] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:36,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:36,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 17:02:36,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184503324] [2023-12-02 17:02:36,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:36,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 17:02:36,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:36,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 17:02:36,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:02:36,575 INFO L87 Difference]: Start difference. First operand 335 states and 728 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:37,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:37,088 INFO L93 Difference]: Finished difference Result 342 states and 731 transitions. [2023-12-02 17:02:37,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:02:37,088 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-02 17:02:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:37,090 INFO L225 Difference]: With dead ends: 342 [2023-12-02 17:02:37,090 INFO L226 Difference]: Without dead ends: 328 [2023-12-02 17:02:37,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:02:37,090 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 101 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:37,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 25 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:02:37,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2023-12-02 17:02:37,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2023-12-02 17:02:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 326 states have (on average 2.1411042944785277) internal successors, (698), 327 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 698 transitions. [2023-12-02 17:02:37,095 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 698 transitions. Word has length 16 [2023-12-02 17:02:37,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:37,095 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 698 transitions. [2023-12-02 17:02:37,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 698 transitions. [2023-12-02 17:02:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 17:02:37,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:37,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:37,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 17:02:37,096 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:37,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:37,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1825363185, now seen corresponding path program 1 times [2023-12-02 17:02:37,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:37,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978887595] [2023-12-02 17:02:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:37,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:37,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978887595] [2023-12-02 17:02:37,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978887595] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:37,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:37,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:02:37,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336726444] [2023-12-02 17:02:37,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:37,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:37,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:37,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:37,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:37,680 INFO L87 Difference]: Start difference. First operand 328 states and 698 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:38,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:38,793 INFO L93 Difference]: Finished difference Result 471 states and 995 transitions. [2023-12-02 17:02:38,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 17:02:38,794 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-02 17:02:38,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:38,796 INFO L225 Difference]: With dead ends: 471 [2023-12-02 17:02:38,796 INFO L226 Difference]: Without dead ends: 471 [2023-12-02 17:02:38,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=381, Invalid=951, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 17:02:38,797 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 233 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:38,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 20 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:38,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-12-02 17:02:38,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 272. [2023-12-02 17:02:38,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 270 states have (on average 2.111111111111111) internal successors, (570), 271 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 570 transitions. [2023-12-02 17:02:38,802 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 570 transitions. Word has length 16 [2023-12-02 17:02:38,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:38,803 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 570 transitions. [2023-12-02 17:02:38,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 570 transitions. [2023-12-02 17:02:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 17:02:38,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:38,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:38,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 17:02:38,804 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:38,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:38,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1555022622, now seen corresponding path program 1 times [2023-12-02 17:02:38,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:38,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566556423] [2023-12-02 17:02:38,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:39,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:39,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566556423] [2023-12-02 17:02:39,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566556423] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:39,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:39,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-02 17:02:39,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809912853] [2023-12-02 17:02:39,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:39,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:02:39,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:39,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:02:39,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:02:39,347 INFO L87 Difference]: Start difference. First operand 272 states and 570 transitions. Second operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:39,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:39,920 INFO L93 Difference]: Finished difference Result 330 states and 690 transitions. [2023-12-02 17:02:39,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:02:39,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-12-02 17:02:39,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:39,922 INFO L225 Difference]: With dead ends: 330 [2023-12-02 17:02:39,922 INFO L226 Difference]: Without dead ends: 310 [2023-12-02 17:02:39,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:02:39,922 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 135 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:39,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 17 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-12-02 17:02:39,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 280. [2023-12-02 17:02:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 278 states have (on average 2.133093525179856) internal successors, (593), 279 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 593 transitions. [2023-12-02 17:02:39,927 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 593 transitions. Word has length 17 [2023-12-02 17:02:39,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:39,927 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 593 transitions. [2023-12-02 17:02:39,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 593 transitions. [2023-12-02 17:02:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 17:02:39,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:39,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:39,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 17:02:39,928 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:39,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:39,929 INFO L85 PathProgramCache]: Analyzing trace with hash 751684438, now seen corresponding path program 2 times [2023-12-02 17:02:39,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:39,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025979952] [2023-12-02 17:02:39,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:39,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:40,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:40,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025979952] [2023-12-02 17:02:40,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025979952] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:40,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:40,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-02 17:02:40,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979050156] [2023-12-02 17:02:40,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:40,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:02:40,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:40,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:02:40,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:02:40,642 INFO L87 Difference]: Start difference. First operand 280 states and 593 transitions. Second operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:41,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:41,432 INFO L93 Difference]: Finished difference Result 272 states and 572 transitions. [2023-12-02 17:02:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 17:02:41,432 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-12-02 17:02:41,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:41,434 INFO L225 Difference]: With dead ends: 272 [2023-12-02 17:02:41,434 INFO L226 Difference]: Without dead ends: 252 [2023-12-02 17:02:41,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2023-12-02 17:02:41,435 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 146 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:41,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 14 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:41,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-12-02 17:02:41,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 214. [2023-12-02 17:02:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 2.1320754716981134) internal successors, (452), 213 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 452 transitions. [2023-12-02 17:02:41,440 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 452 transitions. Word has length 17 [2023-12-02 17:02:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:41,440 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 452 transitions. [2023-12-02 17:02:41,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 452 transitions. [2023-12-02 17:02:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:41,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:41,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:41,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 17:02:41,441 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:41,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:41,442 INFO L85 PathProgramCache]: Analyzing trace with hash -508138585, now seen corresponding path program 1 times [2023-12-02 17:02:41,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:41,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896828665] [2023-12-02 17:02:41,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:41,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:42,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:42,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896828665] [2023-12-02 17:02:42,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896828665] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:42,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:42,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:42,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163665791] [2023-12-02 17:02:42,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:42,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:42,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:42,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:42,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:42,489 INFO L87 Difference]: Start difference. First operand 214 states and 452 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:43,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:43,054 INFO L93 Difference]: Finished difference Result 304 states and 623 transitions. [2023-12-02 17:02:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 17:02:43,055 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:43,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:43,056 INFO L225 Difference]: With dead ends: 304 [2023-12-02 17:02:43,056 INFO L226 Difference]: Without dead ends: 304 [2023-12-02 17:02:43,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:02:43,057 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 112 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:43,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 22 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:43,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2023-12-02 17:02:43,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 259. [2023-12-02 17:02:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 257 states have (on average 2.124513618677043) internal successors, (546), 258 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 546 transitions. [2023-12-02 17:02:43,061 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 546 transitions. Word has length 22 [2023-12-02 17:02:43,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:43,061 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 546 transitions. [2023-12-02 17:02:43,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 546 transitions. [2023-12-02 17:02:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:43,062 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:43,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:43,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-02 17:02:43,062 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:43,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:43,062 INFO L85 PathProgramCache]: Analyzing trace with hash 765823241, now seen corresponding path program 2 times [2023-12-02 17:02:43,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:43,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981795517] [2023-12-02 17:02:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:43,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:43,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981795517] [2023-12-02 17:02:43,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981795517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:43,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:43,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:43,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111478044] [2023-12-02 17:02:43,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:43,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:43,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:43,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:43,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:43,756 INFO L87 Difference]: Start difference. First operand 259 states and 546 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:44,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:44,378 INFO L93 Difference]: Finished difference Result 347 states and 684 transitions. [2023-12-02 17:02:44,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 17:02:44,378 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:44,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:44,380 INFO L225 Difference]: With dead ends: 347 [2023-12-02 17:02:44,380 INFO L226 Difference]: Without dead ends: 347 [2023-12-02 17:02:44,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:02:44,381 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 99 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:44,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 27 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:44,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-12-02 17:02:44,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 264. [2023-12-02 17:02:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 262 states have (on average 2.118320610687023) internal successors, (555), 263 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 555 transitions. [2023-12-02 17:02:44,387 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 555 transitions. Word has length 22 [2023-12-02 17:02:44,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:44,388 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 555 transitions. [2023-12-02 17:02:44,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 555 transitions. [2023-12-02 17:02:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:44,388 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:44,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:44,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-02 17:02:44,389 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:44,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:44,389 INFO L85 PathProgramCache]: Analyzing trace with hash 780122921, now seen corresponding path program 3 times [2023-12-02 17:02:44,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:44,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301213476] [2023-12-02 17:02:44,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:44,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:45,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:45,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301213476] [2023-12-02 17:02:45,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301213476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:45,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:45,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:45,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565016920] [2023-12-02 17:02:45,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:45,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:45,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:45,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:45,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:45,281 INFO L87 Difference]: Start difference. First operand 264 states and 555 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:46,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:46,200 INFO L93 Difference]: Finished difference Result 350 states and 687 transitions. [2023-12-02 17:02:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 17:02:46,201 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:46,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:46,202 INFO L225 Difference]: With dead ends: 350 [2023-12-02 17:02:46,202 INFO L226 Difference]: Without dead ends: 350 [2023-12-02 17:02:46,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:02:46,203 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 104 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:46,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 32 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 17:02:46,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-12-02 17:02:46,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 264. [2023-12-02 17:02:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 262 states have (on average 2.118320610687023) internal successors, (555), 263 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:46,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 555 transitions. [2023-12-02 17:02:46,209 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 555 transitions. Word has length 22 [2023-12-02 17:02:46,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:46,210 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 555 transitions. [2023-12-02 17:02:46,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 555 transitions. [2023-12-02 17:02:46,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:46,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:46,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:46,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-02 17:02:46,211 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:46,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:46,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2030612763, now seen corresponding path program 4 times [2023-12-02 17:02:46,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:46,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054901676] [2023-12-02 17:02:46,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:46,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:47,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:47,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054901676] [2023-12-02 17:02:47,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054901676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:47,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:47,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:47,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597965524] [2023-12-02 17:02:47,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:47,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:47,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:47,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:47,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:47,051 INFO L87 Difference]: Start difference. First operand 264 states and 555 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:47,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:47,586 INFO L93 Difference]: Finished difference Result 338 states and 682 transitions. [2023-12-02 17:02:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 17:02:47,586 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:47,587 INFO L225 Difference]: With dead ends: 338 [2023-12-02 17:02:47,587 INFO L226 Difference]: Without dead ends: 338 [2023-12-02 17:02:47,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:02:47,588 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 116 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:47,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 15 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-12-02 17:02:47,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 267. [2023-12-02 17:02:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 265 states have (on average 2.116981132075472) internal successors, (561), 266 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 561 transitions. [2023-12-02 17:02:47,593 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 561 transitions. Word has length 22 [2023-12-02 17:02:47,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:47,593 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 561 transitions. [2023-12-02 17:02:47,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 561 transitions. [2023-12-02 17:02:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:47,594 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:47,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:47,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-02 17:02:47,595 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:47,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:47,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1616745819, now seen corresponding path program 5 times [2023-12-02 17:02:47,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:47,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571657776] [2023-12-02 17:02:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:47,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:48,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:48,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571657776] [2023-12-02 17:02:48,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571657776] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:48,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:48,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:48,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070012320] [2023-12-02 17:02:48,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:48,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:48,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:48,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:48,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:48,243 INFO L87 Difference]: Start difference. First operand 267 states and 561 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:48,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:48,970 INFO L93 Difference]: Finished difference Result 346 states and 693 transitions. [2023-12-02 17:02:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 17:02:48,970 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:48,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:48,971 INFO L225 Difference]: With dead ends: 346 [2023-12-02 17:02:48,971 INFO L226 Difference]: Without dead ends: 346 [2023-12-02 17:02:48,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=132, Invalid=468, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:02:48,972 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 108 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:48,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 34 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:48,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-12-02 17:02:48,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 268. [2023-12-02 17:02:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 266 states have (on average 2.112781954887218) internal successors, (562), 267 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) [2023-12-02 17:02:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 562 transitions. [2023-12-02 17:02:48,977 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 562 transitions. Word has length 22 [2023-12-02 17:02:48,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:48,977 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 562 transitions. [2023-12-02 17:02:48,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 562 transitions. [2023-12-02 17:02:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:48,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:48,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:48,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-02 17:02:48,978 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:48,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:48,978 INFO L85 PathProgramCache]: Analyzing trace with hash -702682571, now seen corresponding path program 6 times [2023-12-02 17:02:48,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:48,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557924243] [2023-12-02 17:02:48,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:48,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:49,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:49,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557924243] [2023-12-02 17:02:49,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557924243] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:49,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:49,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:49,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939119361] [2023-12-02 17:02:49,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:49,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:49,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:49,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:49,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:49,665 INFO L87 Difference]: Start difference. First operand 268 states and 562 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:50,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:50,442 INFO L93 Difference]: Finished difference Result 387 states and 752 transitions. [2023-12-02 17:02:50,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 17:02:50,442 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:50,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:50,443 INFO L225 Difference]: With dead ends: 387 [2023-12-02 17:02:50,443 INFO L226 Difference]: Without dead ends: 387 [2023-12-02 17:02:50,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2023-12-02 17:02:50,444 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 132 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:50,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 35 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 17:02:50,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2023-12-02 17:02:50,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 273. [2023-12-02 17:02:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 271 states have (on average 2.11070110701107) internal successors, (572), 272 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 572 transitions. [2023-12-02 17:02:50,457 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 572 transitions. Word has length 22 [2023-12-02 17:02:50,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:50,457 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 572 transitions. [2023-12-02 17:02:50,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 572 transitions. [2023-12-02 17:02:50,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:50,458 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:50,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:50,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-02 17:02:50,458 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:50,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:50,459 INFO L85 PathProgramCache]: Analyzing trace with hash -688382891, now seen corresponding path program 7 times [2023-12-02 17:02:50,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:50,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426780390] [2023-12-02 17:02:50,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:50,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:51,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:51,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426780390] [2023-12-02 17:02:51,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426780390] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:51,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:51,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:51,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914704054] [2023-12-02 17:02:51,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:51,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:51,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:51,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:51,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:51,119 INFO L87 Difference]: Start difference. First operand 273 states and 572 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:51,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:51,597 INFO L93 Difference]: Finished difference Result 368 states and 715 transitions. [2023-12-02 17:02:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:02:51,598 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:51,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:51,599 INFO L225 Difference]: With dead ends: 368 [2023-12-02 17:02:51,599 INFO L226 Difference]: Without dead ends: 368 [2023-12-02 17:02:51,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:02:51,600 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 125 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:51,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 39 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:51,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-12-02 17:02:51,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 269. [2023-12-02 17:02:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 2.1123595505617976) internal successors, (564), 268 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 564 transitions. [2023-12-02 17:02:51,605 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 564 transitions. Word has length 22 [2023-12-02 17:02:51,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:51,605 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 564 transitions. [2023-12-02 17:02:51,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 564 transitions. [2023-12-02 17:02:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:51,606 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:51,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:51,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-02 17:02:51,606 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:51,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:51,607 INFO L85 PathProgramCache]: Analyzing trace with hash -539928045, now seen corresponding path program 8 times [2023-12-02 17:02:51,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:51,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509672921] [2023-12-02 17:02:51,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:51,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:52,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:52,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509672921] [2023-12-02 17:02:52,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509672921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:52,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:52,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:52,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616101184] [2023-12-02 17:02:52,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:52,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:52,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:52,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:52,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:52,191 INFO L87 Difference]: Start difference. First operand 269 states and 564 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:52,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:52,627 INFO L93 Difference]: Finished difference Result 323 states and 652 transitions. [2023-12-02 17:02:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 17:02:52,628 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:52,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:52,628 INFO L225 Difference]: With dead ends: 323 [2023-12-02 17:02:52,628 INFO L226 Difference]: Without dead ends: 323 [2023-12-02 17:02:52,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:02:52,629 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 114 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:52,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 23 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:52,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-12-02 17:02:52,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 269. [2023-12-02 17:02:52,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 2.1123595505617976) internal successors, (564), 268 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 564 transitions. [2023-12-02 17:02:52,634 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 564 transitions. Word has length 22 [2023-12-02 17:02:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:52,634 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 564 transitions. [2023-12-02 17:02:52,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 564 transitions. [2023-12-02 17:02:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:52,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:52,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:52,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-02 17:02:52,635 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:52,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:52,635 INFO L85 PathProgramCache]: Analyzing trace with hash -970676811, now seen corresponding path program 9 times [2023-12-02 17:02:52,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:52,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328859843] [2023-12-02 17:02:52,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:52,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:53,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:53,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328859843] [2023-12-02 17:02:53,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328859843] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:53,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:53,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:53,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025678226] [2023-12-02 17:02:53,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:53,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:53,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:53,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:53,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:53,166 INFO L87 Difference]: Start difference. First operand 269 states and 564 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:53,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:53,716 INFO L93 Difference]: Finished difference Result 374 states and 730 transitions. [2023-12-02 17:02:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:02:53,717 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:53,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:53,717 INFO L225 Difference]: With dead ends: 374 [2023-12-02 17:02:53,717 INFO L226 Difference]: Without dead ends: 374 [2023-12-02 17:02:53,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:02:53,718 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 122 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:53,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 32 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:53,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-12-02 17:02:53,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 273. [2023-12-02 17:02:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 271 states have (on average 2.107011070110701) internal successors, (571), 272 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:53,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 571 transitions. [2023-12-02 17:02:53,723 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 571 transitions. Word has length 22 [2023-12-02 17:02:53,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:53,723 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 571 transitions. [2023-12-02 17:02:53,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 571 transitions. [2023-12-02 17:02:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:53,724 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:53,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:53,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-02 17:02:53,724 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:53,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:53,724 INFO L85 PathProgramCache]: Analyzing trace with hash 2135093799, now seen corresponding path program 10 times [2023-12-02 17:02:53,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:53,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004018121] [2023-12-02 17:02:53,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:53,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:54,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:54,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004018121] [2023-12-02 17:02:54,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004018121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:54,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:54,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:54,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482078315] [2023-12-02 17:02:54,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:54,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:54,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:54,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:54,309 INFO L87 Difference]: Start difference. First operand 273 states and 571 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:54,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:54,883 INFO L93 Difference]: Finished difference Result 364 states and 721 transitions. [2023-12-02 17:02:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 17:02:54,883 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:54,884 INFO L225 Difference]: With dead ends: 364 [2023-12-02 17:02:54,884 INFO L226 Difference]: Without dead ends: 364 [2023-12-02 17:02:54,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:02:54,885 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 134 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:54,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 29 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:54,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-12-02 17:02:54,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 276. [2023-12-02 17:02:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 274 states have (on average 2.105839416058394) internal successors, (577), 275 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 577 transitions. [2023-12-02 17:02:54,892 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 577 transitions. Word has length 22 [2023-12-02 17:02:54,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:54,893 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 577 transitions. [2023-12-02 17:02:54,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 577 transitions. [2023-12-02 17:02:54,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:54,893 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:54,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:54,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-02 17:02:54,894 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:54,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:54,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1721226855, now seen corresponding path program 11 times [2023-12-02 17:02:54,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:54,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903107518] [2023-12-02 17:02:54,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:54,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:55,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:55,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903107518] [2023-12-02 17:02:55,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903107518] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:55,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:55,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:55,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520357867] [2023-12-02 17:02:55,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:55,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:55,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:55,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:55,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:55,546 INFO L87 Difference]: Start difference. First operand 276 states and 577 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:56,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:56,269 INFO L93 Difference]: Finished difference Result 375 states and 735 transitions. [2023-12-02 17:02:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 17:02:56,270 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:56,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:56,271 INFO L225 Difference]: With dead ends: 375 [2023-12-02 17:02:56,271 INFO L226 Difference]: Without dead ends: 375 [2023-12-02 17:02:56,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:02:56,272 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 126 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:56,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 29 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:02:56,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-12-02 17:02:56,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 273. [2023-12-02 17:02:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 271 states have (on average 2.107011070110701) internal successors, (571), 272 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 571 transitions. [2023-12-02 17:02:56,277 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 571 transitions. Word has length 22 [2023-12-02 17:02:56,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:56,277 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 571 transitions. [2023-12-02 17:02:56,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 571 transitions. [2023-12-02 17:02:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:56,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:56,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:56,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-02 17:02:56,278 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:56,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:56,278 INFO L85 PathProgramCache]: Analyzing trace with hash 891910141, now seen corresponding path program 12 times [2023-12-02 17:02:56,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:56,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635883207] [2023-12-02 17:02:56,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:56,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:56,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:56,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:56,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635883207] [2023-12-02 17:02:56,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635883207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:56,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:56,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:56,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450952184] [2023-12-02 17:02:56,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:56,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:56,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:56,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:56,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:56,844 INFO L87 Difference]: Start difference. First operand 273 states and 571 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:57,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:57,426 INFO L93 Difference]: Finished difference Result 393 states and 749 transitions. [2023-12-02 17:02:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:02:57,426 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:57,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:57,427 INFO L225 Difference]: With dead ends: 393 [2023-12-02 17:02:57,427 INFO L226 Difference]: Without dead ends: 393 [2023-12-02 17:02:57,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:02:57,428 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 104 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:57,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 54 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-12-02 17:02:57,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 274. [2023-12-02 17:02:57,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 272 states have (on average 2.1066176470588234) internal successors, (573), 273 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 573 transitions. [2023-12-02 17:02:57,434 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 573 transitions. Word has length 22 [2023-12-02 17:02:57,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:57,434 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 573 transitions. [2023-12-02 17:02:57,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 573 transitions. [2023-12-02 17:02:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:57,435 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:57,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:57,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-02 17:02:57,435 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:57,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:57,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1264385417, now seen corresponding path program 13 times [2023-12-02 17:02:57,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:57,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110682362] [2023-12-02 17:02:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:57,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:58,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:58,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110682362] [2023-12-02 17:02:58,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110682362] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:58,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:58,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:58,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497638337] [2023-12-02 17:02:58,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:58,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:58,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:58,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:58,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:58,029 INFO L87 Difference]: Start difference. First operand 274 states and 573 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:58,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:58,510 INFO L93 Difference]: Finished difference Result 410 states and 777 transitions. [2023-12-02 17:02:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:02:58,510 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:58,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:58,511 INFO L225 Difference]: With dead ends: 410 [2023-12-02 17:02:58,511 INFO L226 Difference]: Without dead ends: 410 [2023-12-02 17:02:58,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:02:58,512 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 106 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:58,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 36 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:58,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-12-02 17:02:58,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 279. [2023-12-02 17:02:58,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 277 states have (on average 2.104693140794224) internal successors, (583), 278 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 583 transitions. [2023-12-02 17:02:58,517 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 583 transitions. Word has length 22 [2023-12-02 17:02:58,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:58,517 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 583 transitions. [2023-12-02 17:02:58,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 583 transitions. [2023-12-02 17:02:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:58,518 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:58,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:58,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-02 17:02:58,518 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:58,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:58,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1278685097, now seen corresponding path program 14 times [2023-12-02 17:02:58,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:58,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801633622] [2023-12-02 17:02:58,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:58,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:02:59,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:59,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801633622] [2023-12-02 17:02:59,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801633622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:59,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:59,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:02:59,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221181050] [2023-12-02 17:02:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:59,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:02:59,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:59,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:02:59,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:02:59,040 INFO L87 Difference]: Start difference. First operand 279 states and 583 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:59,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:02:59,567 INFO L93 Difference]: Finished difference Result 413 states and 780 transitions. [2023-12-02 17:02:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:02:59,567 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:02:59,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:02:59,568 INFO L225 Difference]: With dead ends: 413 [2023-12-02 17:02:59,568 INFO L226 Difference]: Without dead ends: 413 [2023-12-02 17:02:59,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:02:59,569 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 111 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:02:59,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 49 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:02:59,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-12-02 17:02:59,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 275. [2023-12-02 17:02:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 273 states have (on average 2.1062271062271063) internal successors, (575), 274 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 575 transitions. [2023-12-02 17:02:59,574 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 575 transitions. Word has length 22 [2023-12-02 17:02:59,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:02:59,574 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 575 transitions. [2023-12-02 17:02:59,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:02:59,574 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 575 transitions. [2023-12-02 17:02:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:02:59,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:02:59,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:02:59,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-02 17:02:59,575 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:02:59,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:02:59,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1427139943, now seen corresponding path program 15 times [2023-12-02 17:02:59,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:02:59,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668080212] [2023-12-02 17:02:59,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:02:59,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:02:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:00,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:00,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:00,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668080212] [2023-12-02 17:03:00,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668080212] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:00,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:00,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:00,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705685987] [2023-12-02 17:03:00,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:00,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:00,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:00,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:00,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:00,087 INFO L87 Difference]: Start difference. First operand 275 states and 575 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:00,564 INFO L93 Difference]: Finished difference Result 368 states and 717 transitions. [2023-12-02 17:03:00,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 17:03:00,564 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:00,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:00,565 INFO L225 Difference]: With dead ends: 368 [2023-12-02 17:03:00,565 INFO L226 Difference]: Without dead ends: 368 [2023-12-02 17:03:00,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:03:00,566 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 113 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:00,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 36 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:00,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-12-02 17:03:00,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 274. [2023-12-02 17:03:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 272 states have (on average 2.1066176470588234) internal successors, (573), 273 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 573 transitions. [2023-12-02 17:03:00,571 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 573 transitions. Word has length 22 [2023-12-02 17:03:00,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:00,571 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 573 transitions. [2023-12-02 17:03:00,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 573 transitions. [2023-12-02 17:03:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:00,571 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:00,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:00,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-02 17:03:00,572 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:00,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash -463236385, now seen corresponding path program 16 times [2023-12-02 17:03:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:00,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481986857] [2023-12-02 17:03:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:01,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:01,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481986857] [2023-12-02 17:03:01,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481986857] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:01,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:01,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:01,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943480281] [2023-12-02 17:03:01,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:01,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:01,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:01,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:01,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:01,104 INFO L87 Difference]: Start difference. First operand 274 states and 573 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:01,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:01,704 INFO L93 Difference]: Finished difference Result 338 states and 651 transitions. [2023-12-02 17:03:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:03:01,705 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:01,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:01,705 INFO L225 Difference]: With dead ends: 338 [2023-12-02 17:03:01,705 INFO L226 Difference]: Without dead ends: 338 [2023-12-02 17:03:01,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:03:01,706 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 125 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:01,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 34 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:01,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-12-02 17:03:01,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 285. [2023-12-02 17:03:01,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 283 states have (on average 2.081272084805654) internal successors, (589), 284 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 589 transitions. [2023-12-02 17:03:01,711 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 589 transitions. Word has length 22 [2023-12-02 17:03:01,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:01,711 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 589 transitions. [2023-12-02 17:03:01,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 589 transitions. [2023-12-02 17:03:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:01,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:01,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:01,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-02 17:03:01,713 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:01,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:01,713 INFO L85 PathProgramCache]: Analyzing trace with hash 287307049, now seen corresponding path program 17 times [2023-12-02 17:03:01,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:01,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314072666] [2023-12-02 17:03:01,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:01,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:02,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:02,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314072666] [2023-12-02 17:03:02,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314072666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:02,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:02,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:02,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5478929] [2023-12-02 17:03:02,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:02,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:02,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:02,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:02,252 INFO L87 Difference]: Start difference. First operand 285 states and 589 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:02,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:02,870 INFO L93 Difference]: Finished difference Result 368 states and 707 transitions. [2023-12-02 17:03:02,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 17:03:02,870 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:02,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:02,871 INFO L225 Difference]: With dead ends: 368 [2023-12-02 17:03:02,871 INFO L226 Difference]: Without dead ends: 368 [2023-12-02 17:03:02,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:03:02,872 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 127 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:02,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 32 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:02,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-12-02 17:03:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 288. [2023-12-02 17:03:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 286 states have (on average 2.0804195804195804) internal successors, (595), 287 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 595 transitions. [2023-12-02 17:03:02,879 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 595 transitions. Word has length 22 [2023-12-02 17:03:02,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:02,880 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 595 transitions. [2023-12-02 17:03:02,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 595 transitions. [2023-12-02 17:03:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:02,881 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:02,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:02,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-02 17:03:02,881 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:02,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:02,881 INFO L85 PathProgramCache]: Analyzing trace with hash -901889637, now seen corresponding path program 18 times [2023-12-02 17:03:02,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:02,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616772085] [2023-12-02 17:03:02,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:02,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:03,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:03,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616772085] [2023-12-02 17:03:03,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616772085] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:03,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:03,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:03,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508075326] [2023-12-02 17:03:03,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:03,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:03,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:03,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:03,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:03,464 INFO L87 Difference]: Start difference. First operand 288 states and 595 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:04,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:04,086 INFO L93 Difference]: Finished difference Result 344 states and 677 transitions. [2023-12-02 17:03:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 17:03:04,087 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:04,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:04,088 INFO L225 Difference]: With dead ends: 344 [2023-12-02 17:03:04,088 INFO L226 Difference]: Without dead ends: 344 [2023-12-02 17:03:04,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2023-12-02 17:03:04,089 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 102 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:04,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 25 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:04,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-02 17:03:04,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 291. [2023-12-02 17:03:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 289 states have (on average 2.0795847750865053) internal successors, (601), 290 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 601 transitions. [2023-12-02 17:03:04,096 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 601 transitions. Word has length 22 [2023-12-02 17:03:04,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:04,096 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 601 transitions. [2023-12-02 17:03:04,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:04,096 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 601 transitions. [2023-12-02 17:03:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:04,097 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:04,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:04,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-02 17:03:04,097 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:04,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:04,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1315756581, now seen corresponding path program 19 times [2023-12-02 17:03:04,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:04,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066155347] [2023-12-02 17:03:04,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:04,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:04,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:04,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066155347] [2023-12-02 17:03:04,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066155347] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:04,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:04,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:04,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843376660] [2023-12-02 17:03:04,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:04,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:04,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:04,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:04,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:04,633 INFO L87 Difference]: Start difference. First operand 291 states and 601 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:05,344 INFO L93 Difference]: Finished difference Result 359 states and 697 transitions. [2023-12-02 17:03:05,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 17:03:05,345 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:05,345 INFO L225 Difference]: With dead ends: 359 [2023-12-02 17:03:05,346 INFO L226 Difference]: Without dead ends: 359 [2023-12-02 17:03:05,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2023-12-02 17:03:05,346 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 123 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:05,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 32 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:03:05,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-12-02 17:03:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 285. [2023-12-02 17:03:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 283 states have (on average 2.081272084805654) internal successors, (589), 284 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 589 transitions. [2023-12-02 17:03:05,353 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 589 transitions. Word has length 22 [2023-12-02 17:03:05,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:05,353 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 589 transitions. [2023-12-02 17:03:05,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 589 transitions. [2023-12-02 17:03:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:05,353 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:05,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:05,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-02 17:03:05,354 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:05,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:05,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1442384279, now seen corresponding path program 20 times [2023-12-02 17:03:05,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:05,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056256738] [2023-12-02 17:03:05,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:05,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:05,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:05,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056256738] [2023-12-02 17:03:05,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056256738] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:05,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:05,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:05,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488365576] [2023-12-02 17:03:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:05,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:05,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:05,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:05,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:05,884 INFO L87 Difference]: Start difference. First operand 285 states and 589 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:06,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:06,371 INFO L93 Difference]: Finished difference Result 382 states and 720 transitions. [2023-12-02 17:03:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 17:03:06,371 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:06,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:06,372 INFO L225 Difference]: With dead ends: 382 [2023-12-02 17:03:06,372 INFO L226 Difference]: Without dead ends: 382 [2023-12-02 17:03:06,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:03:06,373 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 115 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:06,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 34 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:06,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-12-02 17:03:06,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 287. [2023-12-02 17:03:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 285 states have (on average 2.0807017543859647) internal successors, (593), 286 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 593 transitions. [2023-12-02 17:03:06,381 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 593 transitions. Word has length 22 [2023-12-02 17:03:06,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:06,382 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 593 transitions. [2023-12-02 17:03:06,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 593 transitions. [2023-12-02 17:03:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:06,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:06,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:06,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-02 17:03:06,383 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:06,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:06,383 INFO L85 PathProgramCache]: Analyzing trace with hash -239452631, now seen corresponding path program 21 times [2023-12-02 17:03:06,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:06,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077251732] [2023-12-02 17:03:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:07,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:07,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077251732] [2023-12-02 17:03:07,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077251732] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:07,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:07,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54715883] [2023-12-02 17:03:07,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:07,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:07,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:07,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:07,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:07,127 INFO L87 Difference]: Start difference. First operand 287 states and 593 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:07,817 INFO L93 Difference]: Finished difference Result 325 states and 645 transitions. [2023-12-02 17:03:07,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:03:07,818 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:07,818 INFO L225 Difference]: With dead ends: 325 [2023-12-02 17:03:07,818 INFO L226 Difference]: Without dead ends: 325 [2023-12-02 17:03:07,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:03:07,819 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 79 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:07,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 33 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:07,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-12-02 17:03:07,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 289. [2023-12-02 17:03:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 287 states have (on average 2.0801393728222997) internal successors, (597), 288 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) [2023-12-02 17:03:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 597 transitions. [2023-12-02 17:03:07,824 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 597 transitions. Word has length 22 [2023-12-02 17:03:07,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:07,824 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 597 transitions. [2023-12-02 17:03:07,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 597 transitions. [2023-12-02 17:03:07,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:07,825 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:07,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:07,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-02 17:03:07,826 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:07,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:07,826 INFO L85 PathProgramCache]: Analyzing trace with hash 133022645, now seen corresponding path program 22 times [2023-12-02 17:03:07,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:07,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267814768] [2023-12-02 17:03:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:07,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:08,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:08,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267814768] [2023-12-02 17:03:08,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267814768] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:08,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:08,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:08,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541673381] [2023-12-02 17:03:08,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:08,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:08,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:08,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:08,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:08,388 INFO L87 Difference]: Start difference. First operand 289 states and 597 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:08,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:08,838 INFO L93 Difference]: Finished difference Result 390 states and 739 transitions. [2023-12-02 17:03:08,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 17:03:08,838 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:08,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:08,839 INFO L225 Difference]: With dead ends: 390 [2023-12-02 17:03:08,839 INFO L226 Difference]: Without dead ends: 390 [2023-12-02 17:03:08,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:03:08,840 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 83 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:08,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 46 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:08,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-12-02 17:03:08,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 293. [2023-12-02 17:03:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 291 states have (on average 2.0790378006872854) internal successors, (605), 292 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 605 transitions. [2023-12-02 17:03:08,846 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 605 transitions. Word has length 22 [2023-12-02 17:03:08,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:08,846 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 605 transitions. [2023-12-02 17:03:08,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 605 transitions. [2023-12-02 17:03:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:08,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:08,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:08,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-02 17:03:08,847 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:08,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:08,848 INFO L85 PathProgramCache]: Analyzing trace with hash 147322325, now seen corresponding path program 23 times [2023-12-02 17:03:08,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:08,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908872544] [2023-12-02 17:03:08,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:08,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:09,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:09,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908872544] [2023-12-02 17:03:09,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908872544] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:09,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:09,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:09,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732791389] [2023-12-02 17:03:09,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:09,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:09,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:09,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:09,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:09,341 INFO L87 Difference]: Start difference. First operand 293 states and 605 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:09,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:09,768 INFO L93 Difference]: Finished difference Result 393 states and 742 transitions. [2023-12-02 17:03:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 17:03:09,768 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:09,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:09,769 INFO L225 Difference]: With dead ends: 393 [2023-12-02 17:03:09,769 INFO L226 Difference]: Without dead ends: 393 [2023-12-02 17:03:09,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:03:09,770 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 108 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:09,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 56 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:09,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-12-02 17:03:09,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 287. [2023-12-02 17:03:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 285 states have (on average 2.0807017543859647) internal successors, (593), 286 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 593 transitions. [2023-12-02 17:03:09,775 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 593 transitions. Word has length 22 [2023-12-02 17:03:09,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:09,775 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 593 transitions. [2023-12-02 17:03:09,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 593 transitions. [2023-12-02 17:03:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:09,776 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:09,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:09,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-02 17:03:09,777 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:09,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:09,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1330389259, now seen corresponding path program 24 times [2023-12-02 17:03:09,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:09,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884795254] [2023-12-02 17:03:09,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:09,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:10,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:10,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:10,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884795254] [2023-12-02 17:03:10,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884795254] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:10,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:10,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:10,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673431087] [2023-12-02 17:03:10,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:10,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:10,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:10,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:10,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:10,279 INFO L87 Difference]: Start difference. First operand 287 states and 593 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:10,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:10,805 INFO L93 Difference]: Finished difference Result 374 states and 713 transitions. [2023-12-02 17:03:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:10,806 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:10,807 INFO L225 Difference]: With dead ends: 374 [2023-12-02 17:03:10,807 INFO L226 Difference]: Without dead ends: 369 [2023-12-02 17:03:10,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:03:10,808 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 105 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:10,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 35 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:10,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-12-02 17:03:10,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 289. [2023-12-02 17:03:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 287 states have (on average 2.076655052264808) internal successors, (596), 288 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 596 transitions. [2023-12-02 17:03:10,813 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 596 transitions. Word has length 22 [2023-12-02 17:03:10,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:10,813 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 596 transitions. [2023-12-02 17:03:10,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 596 transitions. [2023-12-02 17:03:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:10,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:10,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:10,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-02 17:03:10,814 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:10,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:10,814 INFO L85 PathProgramCache]: Analyzing trace with hash 904519855, now seen corresponding path program 25 times [2023-12-02 17:03:10,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:10,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008237106] [2023-12-02 17:03:10,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:10,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:11,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:11,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008237106] [2023-12-02 17:03:11,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008237106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:11,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:11,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:11,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984275443] [2023-12-02 17:03:11,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:11,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:11,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:11,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:11,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:11,308 INFO L87 Difference]: Start difference. First operand 289 states and 596 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:11,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:11,907 INFO L93 Difference]: Finished difference Result 369 states and 701 transitions. [2023-12-02 17:03:11,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:03:11,907 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:11,908 INFO L225 Difference]: With dead ends: 369 [2023-12-02 17:03:11,908 INFO L226 Difference]: Without dead ends: 364 [2023-12-02 17:03:11,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:03:11,909 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 115 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:11,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 48 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:03:11,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-12-02 17:03:11,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 289. [2023-12-02 17:03:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 287 states have (on average 2.076655052264808) internal successors, (596), 288 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 596 transitions. [2023-12-02 17:03:11,914 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 596 transitions. Word has length 22 [2023-12-02 17:03:11,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:11,914 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 596 transitions. [2023-12-02 17:03:11,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 596 transitions. [2023-12-02 17:03:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:11,915 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:11,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:11,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-02 17:03:11,915 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:11,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:11,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1569444403, now seen corresponding path program 26 times [2023-12-02 17:03:11,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:11,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939957932] [2023-12-02 17:03:11,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:11,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:12,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:12,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939957932] [2023-12-02 17:03:12,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939957932] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:12,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:12,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:12,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543495800] [2023-12-02 17:03:12,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:12,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:12,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:12,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:12,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:12,687 INFO L87 Difference]: Start difference. First operand 289 states and 596 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:13,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:13,533 INFO L93 Difference]: Finished difference Result 327 states and 649 transitions. [2023-12-02 17:03:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:03:13,533 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:13,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:13,534 INFO L225 Difference]: With dead ends: 327 [2023-12-02 17:03:13,534 INFO L226 Difference]: Without dead ends: 308 [2023-12-02 17:03:13,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-12-02 17:03:13,534 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 103 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:13,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 35 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:03:13,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-12-02 17:03:13,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 247. [2023-12-02 17:03:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 245 states have (on average 2.1020408163265305) internal successors, (515), 246 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) [2023-12-02 17:03:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 515 transitions. [2023-12-02 17:03:13,539 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 515 transitions. Word has length 22 [2023-12-02 17:03:13,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:13,539 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 515 transitions. [2023-12-02 17:03:13,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:13,540 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 515 transitions. [2023-12-02 17:03:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:13,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:13,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:13,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-02 17:03:13,540 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:13,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:13,541 INFO L85 PathProgramCache]: Analyzing trace with hash -109372953, now seen corresponding path program 27 times [2023-12-02 17:03:13,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:13,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769804826] [2023-12-02 17:03:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:13,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:14,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:14,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769804826] [2023-12-02 17:03:14,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769804826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:14,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:14,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:14,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450556431] [2023-12-02 17:03:14,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:14,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:14,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:14,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:14,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:14,085 INFO L87 Difference]: Start difference. First operand 247 states and 515 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:14,654 INFO L93 Difference]: Finished difference Result 313 states and 611 transitions. [2023-12-02 17:03:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 17:03:14,654 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:14,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:14,655 INFO L225 Difference]: With dead ends: 313 [2023-12-02 17:03:14,655 INFO L226 Difference]: Without dead ends: 313 [2023-12-02 17:03:14,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2023-12-02 17:03:14,655 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 98 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:14,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 26 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:14,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-12-02 17:03:14,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 217. [2023-12-02 17:03:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 215 states have (on average 2.046511627906977) internal successors, (440), 216 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 440 transitions. [2023-12-02 17:03:14,661 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 440 transitions. Word has length 22 [2023-12-02 17:03:14,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:14,661 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 440 transitions. [2023-12-02 17:03:14,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 440 transitions. [2023-12-02 17:03:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:14,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:14,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:14,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-02 17:03:14,662 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:14,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:14,663 INFO L85 PathProgramCache]: Analyzing trace with hash -317815085, now seen corresponding path program 28 times [2023-12-02 17:03:14,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:14,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386359187] [2023-12-02 17:03:14,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:14,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:15,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:15,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386359187] [2023-12-02 17:03:15,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386359187] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:15,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:15,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:15,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765909195] [2023-12-02 17:03:15,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:15,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:15,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:15,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:15,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:15,200 INFO L87 Difference]: Start difference. First operand 217 states and 440 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:15,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:15,613 INFO L93 Difference]: Finished difference Result 276 states and 516 transitions. [2023-12-02 17:03:15,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:03:15,613 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:15,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:15,614 INFO L225 Difference]: With dead ends: 276 [2023-12-02 17:03:15,614 INFO L226 Difference]: Without dead ends: 276 [2023-12-02 17:03:15,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:03:15,614 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 77 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:15,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 61 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:15,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2023-12-02 17:03:15,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 215. [2023-12-02 17:03:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 213 states have (on average 2.051643192488263) internal successors, (437), 214 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:15,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 437 transitions. [2023-12-02 17:03:15,619 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 437 transitions. Word has length 22 [2023-12-02 17:03:15,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:15,619 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 437 transitions. [2023-12-02 17:03:15,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:15,619 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 437 transitions. [2023-12-02 17:03:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:15,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:15,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:15,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-02 17:03:15,619 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:15,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:15,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1404084853, now seen corresponding path program 29 times [2023-12-02 17:03:15,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:15,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234532657] [2023-12-02 17:03:15,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:15,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:16,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:16,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234532657] [2023-12-02 17:03:16,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234532657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:16,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:16,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:16,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505010595] [2023-12-02 17:03:16,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:16,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:16,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:16,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:16,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:16,118 INFO L87 Difference]: Start difference. First operand 215 states and 437 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:16,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:16,672 INFO L93 Difference]: Finished difference Result 272 states and 511 transitions. [2023-12-02 17:03:16,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:03:16,672 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:16,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:16,673 INFO L225 Difference]: With dead ends: 272 [2023-12-02 17:03:16,673 INFO L226 Difference]: Without dead ends: 272 [2023-12-02 17:03:16,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:03:16,674 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 66 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:16,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 58 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-12-02 17:03:16,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 204. [2023-12-02 17:03:16,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 202 states have (on average 2.0841584158415842) internal successors, (421), 203 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 421 transitions. [2023-12-02 17:03:16,678 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 421 transitions. Word has length 22 [2023-12-02 17:03:16,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:16,678 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 421 transitions. [2023-12-02 17:03:16,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 421 transitions. [2023-12-02 17:03:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:16,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:16,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:16,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-02 17:03:16,679 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:16,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:16,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1088950313, now seen corresponding path program 30 times [2023-12-02 17:03:16,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:16,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103527852] [2023-12-02 17:03:16,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:16,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:17,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:17,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103527852] [2023-12-02 17:03:17,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103527852] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:17,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:17,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:17,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438906608] [2023-12-02 17:03:17,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:17,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:17,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:17,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:17,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:17,224 INFO L87 Difference]: Start difference. First operand 204 states and 421 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:17,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:17,671 INFO L93 Difference]: Finished difference Result 264 states and 498 transitions. [2023-12-02 17:03:17,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:17,671 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:17,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:17,672 INFO L225 Difference]: With dead ends: 264 [2023-12-02 17:03:17,672 INFO L226 Difference]: Without dead ends: 264 [2023-12-02 17:03:17,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:03:17,672 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 94 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:17,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 49 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:17,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-12-02 17:03:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 205. [2023-12-02 17:03:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 203 states have (on average 2.083743842364532) internal successors, (423), 204 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 423 transitions. [2023-12-02 17:03:17,676 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 423 transitions. Word has length 22 [2023-12-02 17:03:17,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:17,676 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 423 transitions. [2023-12-02 17:03:17,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 423 transitions. [2023-12-02 17:03:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:17,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:17,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:17,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-02 17:03:17,677 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:17,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:17,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1461425589, now seen corresponding path program 31 times [2023-12-02 17:03:17,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:17,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759243688] [2023-12-02 17:03:17,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:17,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:18,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:18,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759243688] [2023-12-02 17:03:18,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759243688] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:18,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:18,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:18,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065874762] [2023-12-02 17:03:18,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:18,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:18,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:18,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:18,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:18,217 INFO L87 Difference]: Start difference. First operand 205 states and 423 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:18,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:18,643 INFO L93 Difference]: Finished difference Result 260 states and 495 transitions. [2023-12-02 17:03:18,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:03:18,644 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:18,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:18,644 INFO L225 Difference]: With dead ends: 260 [2023-12-02 17:03:18,644 INFO L226 Difference]: Without dead ends: 260 [2023-12-02 17:03:18,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:03:18,645 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 50 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:18,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 50 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:18,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-12-02 17:03:18,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 210. [2023-12-02 17:03:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 208 states have (on average 2.081730769230769) internal successors, (433), 209 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 433 transitions. [2023-12-02 17:03:18,649 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 433 transitions. Word has length 22 [2023-12-02 17:03:18,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:18,649 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 433 transitions. [2023-12-02 17:03:18,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 433 transitions. [2023-12-02 17:03:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:18,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:18,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:18,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-02 17:03:18,650 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:18,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:18,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1475725269, now seen corresponding path program 32 times [2023-12-02 17:03:18,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:18,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601755639] [2023-12-02 17:03:18,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:18,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:19,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:19,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:19,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601755639] [2023-12-02 17:03:19,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601755639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:19,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:19,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:19,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668887643] [2023-12-02 17:03:19,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:19,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:19,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:19,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:19,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:19,179 INFO L87 Difference]: Start difference. First operand 210 states and 433 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:19,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:19,605 INFO L93 Difference]: Finished difference Result 263 states and 498 transitions. [2023-12-02 17:03:19,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:03:19,605 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:19,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:19,606 INFO L225 Difference]: With dead ends: 263 [2023-12-02 17:03:19,606 INFO L226 Difference]: Without dead ends: 263 [2023-12-02 17:03:19,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:03:19,607 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 79 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:19,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 49 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-12-02 17:03:19,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 206. [2023-12-02 17:03:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 204 states have (on average 2.0833333333333335) internal successors, (425), 205 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 425 transitions. [2023-12-02 17:03:19,611 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 425 transitions. Word has length 22 [2023-12-02 17:03:19,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:19,611 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 425 transitions. [2023-12-02 17:03:19,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 425 transitions. [2023-12-02 17:03:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:19,612 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:19,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:19,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-02 17:03:19,612 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:19,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:19,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1624180115, now seen corresponding path program 33 times [2023-12-02 17:03:19,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:19,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704293676] [2023-12-02 17:03:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:19,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:20,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:20,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704293676] [2023-12-02 17:03:20,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704293676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:20,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:20,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:20,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035701497] [2023-12-02 17:03:20,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:20,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:20,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:20,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:20,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:20,117 INFO L87 Difference]: Start difference. First operand 206 states and 425 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:20,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:20,535 INFO L93 Difference]: Finished difference Result 249 states and 481 transitions. [2023-12-02 17:03:20,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:03:20,535 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:20,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:20,536 INFO L225 Difference]: With dead ends: 249 [2023-12-02 17:03:20,536 INFO L226 Difference]: Without dead ends: 249 [2023-12-02 17:03:20,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:03:20,536 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 78 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:20,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 36 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:20,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-12-02 17:03:20,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 202. [2023-12-02 17:03:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 2.085) internal successors, (417), 201 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 417 transitions. [2023-12-02 17:03:20,540 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 417 transitions. Word has length 22 [2023-12-02 17:03:20,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:20,540 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 417 transitions. [2023-12-02 17:03:20,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 417 transitions. [2023-12-02 17:03:20,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:20,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:20,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:20,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-02 17:03:20,541 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:20,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:20,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1604404577, now seen corresponding path program 34 times [2023-12-02 17:03:20,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:20,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481196043] [2023-12-02 17:03:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:20,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:20,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:20,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481196043] [2023-12-02 17:03:20,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481196043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:20,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:20,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:20,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080560214] [2023-12-02 17:03:20,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:20,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:20,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:20,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:20,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:20,951 INFO L87 Difference]: Start difference. First operand 202 states and 417 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:21,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:21,357 INFO L93 Difference]: Finished difference Result 306 states and 601 transitions. [2023-12-02 17:03:21,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 17:03:21,357 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:21,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:21,358 INFO L225 Difference]: With dead ends: 306 [2023-12-02 17:03:21,358 INFO L226 Difference]: Without dead ends: 306 [2023-12-02 17:03:21,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2023-12-02 17:03:21,359 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 96 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:21,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 22 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:21,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-12-02 17:03:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 214. [2023-12-02 17:03:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 2.1037735849056602) internal successors, (446), 213 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 446 transitions. [2023-12-02 17:03:21,365 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 446 transitions. Word has length 22 [2023-12-02 17:03:21,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:21,365 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 446 transitions. [2023-12-02 17:03:21,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 446 transitions. [2023-12-02 17:03:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:21,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:21,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:21,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-02 17:03:21,366 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:21,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:21,367 INFO L85 PathProgramCache]: Analyzing trace with hash -330442751, now seen corresponding path program 35 times [2023-12-02 17:03:21,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:21,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48189633] [2023-12-02 17:03:21,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:21,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:22,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:22,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48189633] [2023-12-02 17:03:22,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48189633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:22,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:22,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-02 17:03:22,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819423945] [2023-12-02 17:03:22,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:22,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 17:03:22,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:22,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 17:03:22,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:03:22,125 INFO L87 Difference]: Start difference. First operand 214 states and 446 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:23,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:23,049 INFO L93 Difference]: Finished difference Result 315 states and 602 transitions. [2023-12-02 17:03:23,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 17:03:23,049 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:23,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:23,050 INFO L225 Difference]: With dead ends: 315 [2023-12-02 17:03:23,050 INFO L226 Difference]: Without dead ends: 315 [2023-12-02 17:03:23,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=267, Invalid=789, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 17:03:23,051 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 183 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:23,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 23 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:03:23,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-12-02 17:03:23,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 218. [2023-12-02 17:03:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 216 states have (on average 2.1018518518518516) internal successors, (454), 217 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 454 transitions. [2023-12-02 17:03:23,055 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 454 transitions. Word has length 22 [2023-12-02 17:03:23,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:23,055 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 454 transitions. [2023-12-02 17:03:23,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 454 transitions. [2023-12-02 17:03:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:23,056 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:23,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:23,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-02 17:03:23,056 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:23,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:23,056 INFO L85 PathProgramCache]: Analyzing trace with hash -316143071, now seen corresponding path program 36 times [2023-12-02 17:03:23,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:23,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075678156] [2023-12-02 17:03:23,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:23,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:23,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:23,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075678156] [2023-12-02 17:03:23,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075678156] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:23,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:23,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:23,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568587340] [2023-12-02 17:03:23,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:23,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:23,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:23,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:23,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:23,529 INFO L87 Difference]: Start difference. First operand 218 states and 454 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:24,116 INFO L93 Difference]: Finished difference Result 332 states and 629 transitions. [2023-12-02 17:03:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 17:03:24,117 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:24,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:24,117 INFO L225 Difference]: With dead ends: 332 [2023-12-02 17:03:24,118 INFO L226 Difference]: Without dead ends: 332 [2023-12-02 17:03:24,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:03:24,118 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 92 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:24,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 21 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-02 17:03:24,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 206. [2023-12-02 17:03:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 204 states have (on average 2.0833333333333335) internal successors, (425), 205 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 425 transitions. [2023-12-02 17:03:24,122 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 425 transitions. Word has length 22 [2023-12-02 17:03:24,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:24,123 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 425 transitions. [2023-12-02 17:03:24,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 425 transitions. [2023-12-02 17:03:24,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:24,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:24,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:24,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-02 17:03:24,124 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:24,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:24,124 INFO L85 PathProgramCache]: Analyzing trace with hash 934346771, now seen corresponding path program 37 times [2023-12-02 17:03:24,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:24,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951550346] [2023-12-02 17:03:24,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:24,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:24,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:24,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951550346] [2023-12-02 17:03:24,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951550346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:24,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:24,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-02 17:03:24,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747982646] [2023-12-02 17:03:24,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:24,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 17:03:24,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:24,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 17:03:24,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:03:24,886 INFO L87 Difference]: Start difference. First operand 206 states and 425 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:25,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:25,760 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2023-12-02 17:03:25,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 17:03:25,761 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:25,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:25,761 INFO L225 Difference]: With dead ends: 280 [2023-12-02 17:03:25,761 INFO L226 Difference]: Without dead ends: 280 [2023-12-02 17:03:25,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2023-12-02 17:03:25,762 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 140 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:25,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 22 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:25,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-12-02 17:03:25,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 209. [2023-12-02 17:03:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 207 states have (on average 2.082125603864734) internal successors, (431), 208 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 431 transitions. [2023-12-02 17:03:25,765 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 431 transitions. Word has length 22 [2023-12-02 17:03:25,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:25,765 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 431 transitions. [2023-12-02 17:03:25,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 431 transitions. [2023-12-02 17:03:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:25,766 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:25,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:25,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-02 17:03:25,766 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:25,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:25,766 INFO L85 PathProgramCache]: Analyzing trace with hash 520479827, now seen corresponding path program 38 times [2023-12-02 17:03:25,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:25,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210483495] [2023-12-02 17:03:25,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:25,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:26,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:26,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:26,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210483495] [2023-12-02 17:03:26,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210483495] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:26,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:26,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:26,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198014398] [2023-12-02 17:03:26,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:26,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:26,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:26,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:26,228 INFO L87 Difference]: Start difference. First operand 209 states and 431 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:26,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:26,589 INFO L93 Difference]: Finished difference Result 267 states and 518 transitions. [2023-12-02 17:03:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:03:26,589 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:26,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:26,590 INFO L225 Difference]: With dead ends: 267 [2023-12-02 17:03:26,590 INFO L226 Difference]: Without dead ends: 267 [2023-12-02 17:03:26,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-12-02 17:03:26,590 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 41 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:26,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 26 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:26,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-02 17:03:26,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 206. [2023-12-02 17:03:26,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 204 states have (on average 2.0833333333333335) internal successors, (425), 205 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 425 transitions. [2023-12-02 17:03:26,594 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 425 transitions. Word has length 22 [2023-12-02 17:03:26,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:26,594 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 425 transitions. [2023-12-02 17:03:26,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 425 transitions. [2023-12-02 17:03:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:26,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:26,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:26,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-02 17:03:26,595 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:26,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:26,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1798948563, now seen corresponding path program 39 times [2023-12-02 17:03:26,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:26,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777648889] [2023-12-02 17:03:26,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:26,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:27,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:27,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:27,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777648889] [2023-12-02 17:03:27,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777648889] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:27,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:27,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:27,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228079571] [2023-12-02 17:03:27,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:27,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:27,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:27,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:27,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:27,043 INFO L87 Difference]: Start difference. First operand 206 states and 425 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:27,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:27,623 INFO L93 Difference]: Finished difference Result 320 states and 600 transitions. [2023-12-02 17:03:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 17:03:27,623 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:27,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:27,624 INFO L225 Difference]: With dead ends: 320 [2023-12-02 17:03:27,624 INFO L226 Difference]: Without dead ends: 320 [2023-12-02 17:03:27,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:03:27,625 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 118 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:27,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 31 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:27,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2023-12-02 17:03:27,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 207. [2023-12-02 17:03:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 205 states have (on average 2.0829268292682928) internal successors, (427), 206 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 427 transitions. [2023-12-02 17:03:27,629 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 427 transitions. Word has length 22 [2023-12-02 17:03:27,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:27,629 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 427 transitions. [2023-12-02 17:03:27,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 427 transitions. [2023-12-02 17:03:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:27,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:27,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:27,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-02 17:03:27,630 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:27,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:27,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1784648883, now seen corresponding path program 40 times [2023-12-02 17:03:27,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:27,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438620502] [2023-12-02 17:03:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:28,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:28,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:28,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438620502] [2023-12-02 17:03:28,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438620502] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:28,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:28,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:28,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554271957] [2023-12-02 17:03:28,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:28,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:28,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:28,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:28,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:28,113 INFO L87 Difference]: Start difference. First operand 207 states and 427 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:28,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:28,533 INFO L93 Difference]: Finished difference Result 268 states and 509 transitions. [2023-12-02 17:03:28,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:28,534 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:28,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:28,534 INFO L225 Difference]: With dead ends: 268 [2023-12-02 17:03:28,534 INFO L226 Difference]: Without dead ends: 268 [2023-12-02 17:03:28,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2023-12-02 17:03:28,535 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 64 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:28,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 43 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-12-02 17:03:28,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 207. [2023-12-02 17:03:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 205 states have (on average 2.0829268292682928) internal successors, (427), 206 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 427 transitions. [2023-12-02 17:03:28,539 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 427 transitions. Word has length 22 [2023-12-02 17:03:28,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:28,539 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 427 transitions. [2023-12-02 17:03:28,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 427 transitions. [2023-12-02 17:03:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:28,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:28,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:28,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-02 17:03:28,540 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:28,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:28,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1636194037, now seen corresponding path program 41 times [2023-12-02 17:03:28,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:28,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983956960] [2023-12-02 17:03:28,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:28,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:29,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:29,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983956960] [2023-12-02 17:03:29,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983956960] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:29,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:29,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:29,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628985310] [2023-12-02 17:03:29,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:29,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:29,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:29,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:29,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:29,002 INFO L87 Difference]: Start difference. First operand 207 states and 427 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:29,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:29,390 INFO L93 Difference]: Finished difference Result 236 states and 463 transitions. [2023-12-02 17:03:29,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:03:29,391 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:29,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:29,391 INFO L225 Difference]: With dead ends: 236 [2023-12-02 17:03:29,391 INFO L226 Difference]: Without dead ends: 236 [2023-12-02 17:03:29,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2023-12-02 17:03:29,392 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 41 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:29,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 30 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:29,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-12-02 17:03:29,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 202. [2023-12-02 17:03:29,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 2.07) internal successors, (414), 201 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:29,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 414 transitions. [2023-12-02 17:03:29,395 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 414 transitions. Word has length 22 [2023-12-02 17:03:29,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:29,395 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 414 transitions. [2023-12-02 17:03:29,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:29,396 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 414 transitions. [2023-12-02 17:03:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:29,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:29,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:29,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-02 17:03:29,396 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:29,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:29,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2066942803, now seen corresponding path program 42 times [2023-12-02 17:03:29,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:29,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324221866] [2023-12-02 17:03:29,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:29,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:29,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:29,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324221866] [2023-12-02 17:03:29,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324221866] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:29,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:29,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:29,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303509254] [2023-12-02 17:03:29,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:29,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:29,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:29,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:29,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:29,857 INFO L87 Difference]: Start difference. First operand 202 states and 414 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:30,248 INFO L93 Difference]: Finished difference Result 331 states and 624 transitions. [2023-12-02 17:03:30,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:03:30,248 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:30,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:30,249 INFO L225 Difference]: With dead ends: 331 [2023-12-02 17:03:30,249 INFO L226 Difference]: Without dead ends: 331 [2023-12-02 17:03:30,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2023-12-02 17:03:30,250 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 89 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:30,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 32 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-12-02 17:03:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 202. [2023-12-02 17:03:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 2.07) internal successors, (414), 201 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 414 transitions. [2023-12-02 17:03:30,255 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 414 transitions. Word has length 22 [2023-12-02 17:03:30,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:30,256 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 414 transitions. [2023-12-02 17:03:30,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 414 transitions. [2023-12-02 17:03:30,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:30,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:30,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:30,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-02 17:03:30,257 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:30,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:30,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1038827807, now seen corresponding path program 43 times [2023-12-02 17:03:30,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:30,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420369909] [2023-12-02 17:03:30,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:30,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:30,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:30,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420369909] [2023-12-02 17:03:30,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420369909] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:30,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:30,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:30,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714104433] [2023-12-02 17:03:30,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:30,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:30,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:30,701 INFO L87 Difference]: Start difference. First operand 202 states and 414 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:31,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:31,019 INFO L93 Difference]: Finished difference Result 338 states and 659 transitions. [2023-12-02 17:03:31,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:03:31,019 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:31,020 INFO L225 Difference]: With dead ends: 338 [2023-12-02 17:03:31,020 INFO L226 Difference]: Without dead ends: 338 [2023-12-02 17:03:31,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2023-12-02 17:03:31,020 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 58 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:31,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 23 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-12-02 17:03:31,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 202. [2023-12-02 17:03:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 2.07) internal successors, (414), 201 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 414 transitions. [2023-12-02 17:03:31,024 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 414 transitions. Word has length 22 [2023-12-02 17:03:31,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:31,024 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 414 transitions. [2023-12-02 17:03:31,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 414 transitions. [2023-12-02 17:03:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:31,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:31,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:31,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-02 17:03:31,025 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:31,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:31,025 INFO L85 PathProgramCache]: Analyzing trace with hash 624960863, now seen corresponding path program 44 times [2023-12-02 17:03:31,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:31,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050371585] [2023-12-02 17:03:31,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:31,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:31,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:31,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050371585] [2023-12-02 17:03:31,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050371585] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:31,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:31,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:31,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562470387] [2023-12-02 17:03:31,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:31,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:31,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:31,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:31,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:31,413 INFO L87 Difference]: Start difference. First operand 202 states and 414 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:31,869 INFO L93 Difference]: Finished difference Result 327 states and 634 transitions. [2023-12-02 17:03:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 17:03:31,869 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:31,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:31,870 INFO L225 Difference]: With dead ends: 327 [2023-12-02 17:03:31,870 INFO L226 Difference]: Without dead ends: 327 [2023-12-02 17:03:31,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:03:31,870 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 85 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:31,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 28 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:31,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-12-02 17:03:31,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 196. [2023-12-02 17:03:31,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 194 states have (on average 2.0721649484536084) internal successors, (402), 195 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:31,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 402 transitions. [2023-12-02 17:03:31,873 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 402 transitions. Word has length 22 [2023-12-02 17:03:31,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:31,874 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 402 transitions. [2023-12-02 17:03:31,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:31,874 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 402 transitions. [2023-12-02 17:03:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:31,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:31,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:31,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-02 17:03:31,875 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:31,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:31,875 INFO L85 PathProgramCache]: Analyzing trace with hash -204355851, now seen corresponding path program 45 times [2023-12-02 17:03:31,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:31,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459759605] [2023-12-02 17:03:31,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:31,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:32,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:32,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459759605] [2023-12-02 17:03:32,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459759605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:32,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:32,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:32,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917558194] [2023-12-02 17:03:32,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:32,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:32,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:32,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:32,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:32,324 INFO L87 Difference]: Start difference. First operand 196 states and 402 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:32,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:32,712 INFO L93 Difference]: Finished difference Result 290 states and 526 transitions. [2023-12-02 17:03:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:03:32,712 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:32,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:32,713 INFO L225 Difference]: With dead ends: 290 [2023-12-02 17:03:32,713 INFO L226 Difference]: Without dead ends: 290 [2023-12-02 17:03:32,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2023-12-02 17:03:32,713 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 78 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:32,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 46 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:32,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-12-02 17:03:32,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 195. [2023-12-02 17:03:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 193 states have (on average 2.077720207253886) internal successors, (401), 194 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 401 transitions. [2023-12-02 17:03:32,717 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 401 transitions. Word has length 22 [2023-12-02 17:03:32,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:32,717 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 401 transitions. [2023-12-02 17:03:32,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 401 transitions. [2023-12-02 17:03:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:32,718 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:32,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:32,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-02 17:03:32,718 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:32,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:32,718 INFO L85 PathProgramCache]: Analyzing trace with hash 168119425, now seen corresponding path program 46 times [2023-12-02 17:03:32,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:32,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939940806] [2023-12-02 17:03:32,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:32,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:33,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:33,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939940806] [2023-12-02 17:03:33,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939940806] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:33,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:33,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:33,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414669772] [2023-12-02 17:03:33,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:33,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 17:03:33,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:33,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 17:03:33,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:03:33,173 INFO L87 Difference]: Start difference. First operand 195 states and 401 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:33,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:33,584 INFO L93 Difference]: Finished difference Result 285 states and 523 transitions. [2023-12-02 17:03:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:33,585 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:33,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:33,586 INFO L225 Difference]: With dead ends: 285 [2023-12-02 17:03:33,586 INFO L226 Difference]: Without dead ends: 285 [2023-12-02 17:03:33,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:03:33,586 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 82 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:33,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 26 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:33,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-12-02 17:03:33,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 190. [2023-12-02 17:03:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 188 states have (on average 2.0851063829787235) internal successors, (392), 189 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 392 transitions. [2023-12-02 17:03:33,591 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 392 transitions. Word has length 22 [2023-12-02 17:03:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:33,591 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 392 transitions. [2023-12-02 17:03:33,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 392 transitions. [2023-12-02 17:03:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:33,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:33,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:33,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-02 17:03:33,592 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:33,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:33,592 INFO L85 PathProgramCache]: Analyzing trace with hash 182419105, now seen corresponding path program 47 times [2023-12-02 17:03:33,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:33,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980234048] [2023-12-02 17:03:33,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:33,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:34,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:34,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980234048] [2023-12-02 17:03:34,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980234048] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:34,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:34,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-02 17:03:34,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686977798] [2023-12-02 17:03:34,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:34,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 17:03:34,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:34,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 17:03:34,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:03:34,303 INFO L87 Difference]: Start difference. First operand 190 states and 392 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:35,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:35,027 INFO L93 Difference]: Finished difference Result 277 states and 511 transitions. [2023-12-02 17:03:35,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 17:03:35,028 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:35,028 INFO L225 Difference]: With dead ends: 277 [2023-12-02 17:03:35,028 INFO L226 Difference]: Without dead ends: 277 [2023-12-02 17:03:35,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2023-12-02 17:03:35,029 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 140 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:35,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 40 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:35,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2023-12-02 17:03:35,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 190. [2023-12-02 17:03:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 188 states have (on average 2.0851063829787235) internal successors, (392), 189 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:35,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 392 transitions. [2023-12-02 17:03:35,033 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 392 transitions. Word has length 22 [2023-12-02 17:03:35,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:35,033 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 392 transitions. [2023-12-02 17:03:35,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 392 transitions. [2023-12-02 17:03:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:35,033 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:35,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:35,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-02 17:03:35,033 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:35,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:35,034 INFO L85 PathProgramCache]: Analyzing trace with hash 330873951, now seen corresponding path program 48 times [2023-12-02 17:03:35,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:35,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889797684] [2023-12-02 17:03:35,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:35,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:35,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:35,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:35,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889797684] [2023-12-02 17:03:35,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889797684] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:35,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:35,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-02 17:03:35,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535493662] [2023-12-02 17:03:35,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:35,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 17:03:35,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:35,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 17:03:35,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-02 17:03:35,750 INFO L87 Difference]: Start difference. First operand 190 states and 392 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:36,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:36,399 INFO L93 Difference]: Finished difference Result 244 states and 464 transitions. [2023-12-02 17:03:36,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:03:36,399 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:36,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:36,399 INFO L225 Difference]: With dead ends: 244 [2023-12-02 17:03:36,399 INFO L226 Difference]: Without dead ends: 244 [2023-12-02 17:03:36,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:03:36,400 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 90 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:36,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 35 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:36,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-12-02 17:03:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 183. [2023-12-02 17:03:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 181 states have (on average 2.0773480662983426) internal successors, (376), 182 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 376 transitions. [2023-12-02 17:03:36,404 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 376 transitions. Word has length 22 [2023-12-02 17:03:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:36,404 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 376 transitions. [2023-12-02 17:03:36,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 376 transitions. [2023-12-02 17:03:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:36,404 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:36,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:36,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-02 17:03:36,405 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:36,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:36,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1769681721, now seen corresponding path program 49 times [2023-12-02 17:03:36,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:36,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979228469] [2023-12-02 17:03:36,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:36,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:36,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:36,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979228469] [2023-12-02 17:03:36,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979228469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:36,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:36,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:36,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529505806] [2023-12-02 17:03:36,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:36,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:36,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:36,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:36,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:36,945 INFO L87 Difference]: Start difference. First operand 183 states and 376 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:37,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:37,364 INFO L93 Difference]: Finished difference Result 227 states and 443 transitions. [2023-12-02 17:03:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:03:37,364 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:37,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:37,364 INFO L225 Difference]: With dead ends: 227 [2023-12-02 17:03:37,364 INFO L226 Difference]: Without dead ends: 227 [2023-12-02 17:03:37,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:03:37,365 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 107 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:37,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 18 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:37,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-12-02 17:03:37,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 168. [2023-12-02 17:03:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 166 states have (on average 2.0843373493975905) internal successors, (346), 167 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:37,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 346 transitions. [2023-12-02 17:03:37,369 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 346 transitions. Word has length 22 [2023-12-02 17:03:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:37,369 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 346 transitions. [2023-12-02 17:03:37,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 346 transitions. [2023-12-02 17:03:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:03:37,370 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:37,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:37,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-02 17:03:37,370 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:37,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:37,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1237024069, now seen corresponding path program 50 times [2023-12-02 17:03:37,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:37,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534095796] [2023-12-02 17:03:37,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:37,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:37,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:37,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534095796] [2023-12-02 17:03:37,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534095796] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:37,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:37,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:37,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299292541] [2023-12-02 17:03:37,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:37,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:37,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:37,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:37,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:37,910 INFO L87 Difference]: Start difference. First operand 168 states and 346 transitions. Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:38,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:38,511 INFO L93 Difference]: Finished difference Result 227 states and 435 transitions. [2023-12-02 17:03:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:38,512 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-12-02 17:03:38,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:38,512 INFO L225 Difference]: With dead ends: 227 [2023-12-02 17:03:38,512 INFO L226 Difference]: Without dead ends: 227 [2023-12-02 17:03:38,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:03:38,513 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 103 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:38,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 24 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:38,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-12-02 17:03:38,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 141. [2023-12-02 17:03:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 2.107142857142857) internal successors, (295), 140 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 295 transitions. [2023-12-02 17:03:38,515 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 295 transitions. Word has length 22 [2023-12-02 17:03:38,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:38,515 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 295 transitions. [2023-12-02 17:03:38,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:38,515 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 295 transitions. [2023-12-02 17:03:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:38,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:38,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:38,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-02 17:03:38,516 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:38,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:38,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1427573600, now seen corresponding path program 1 times [2023-12-02 17:03:38,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:38,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303030478] [2023-12-02 17:03:38,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:38,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:39,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:39,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303030478] [2023-12-02 17:03:39,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303030478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:39,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:39,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:39,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918895666] [2023-12-02 17:03:39,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:39,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:39,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:39,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:39,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:39,204 INFO L87 Difference]: Start difference. First operand 141 states and 295 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:40,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:40,233 INFO L93 Difference]: Finished difference Result 222 states and 441 transitions. [2023-12-02 17:03:40,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 17:03:40,234 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:40,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:40,234 INFO L225 Difference]: With dead ends: 222 [2023-12-02 17:03:40,234 INFO L226 Difference]: Without dead ends: 188 [2023-12-02 17:03:40,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-12-02 17:03:40,234 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 148 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:40,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 11 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-02 17:03:40,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 153. [2023-12-02 17:03:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 2.0328947368421053) internal successors, (309), 152 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 309 transitions. [2023-12-02 17:03:40,237 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 309 transitions. Word has length 23 [2023-12-02 17:03:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:40,237 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 309 transitions. [2023-12-02 17:03:40,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:40,237 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 309 transitions. [2023-12-02 17:03:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:40,237 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:40,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:40,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-02 17:03:40,237 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:40,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:40,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2029282754, now seen corresponding path program 2 times [2023-12-02 17:03:40,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:40,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525534081] [2023-12-02 17:03:40,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:40,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:40,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:40,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525534081] [2023-12-02 17:03:40,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525534081] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:40,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:40,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:40,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105527093] [2023-12-02 17:03:40,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:40,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:40,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:40,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:40,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:40,969 INFO L87 Difference]: Start difference. First operand 153 states and 309 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:42,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:42,094 INFO L93 Difference]: Finished difference Result 210 states and 398 transitions. [2023-12-02 17:03:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 17:03:42,095 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:42,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:42,095 INFO L225 Difference]: With dead ends: 210 [2023-12-02 17:03:42,095 INFO L226 Difference]: Without dead ends: 205 [2023-12-02 17:03:42,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-12-02 17:03:42,096 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 139 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:42,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 12 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:03:42,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-12-02 17:03:42,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 159. [2023-12-02 17:03:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 158 states have (on average 2.0253164556962027) internal successors, (320), 158 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 320 transitions. [2023-12-02 17:03:42,098 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 320 transitions. Word has length 23 [2023-12-02 17:03:42,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:42,099 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 320 transitions. [2023-12-02 17:03:42,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 320 transitions. [2023-12-02 17:03:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:42,099 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:42,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:42,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-02 17:03:42,099 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:42,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:42,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1585992674, now seen corresponding path program 3 times [2023-12-02 17:03:42,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:42,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372356058] [2023-12-02 17:03:42,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:42,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:42,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372356058] [2023-12-02 17:03:42,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372356058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:42,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:42,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:42,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743660565] [2023-12-02 17:03:42,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:42,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:42,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:42,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:42,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:42,866 INFO L87 Difference]: Start difference. First operand 159 states and 320 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:43,758 INFO L93 Difference]: Finished difference Result 227 states and 420 transitions. [2023-12-02 17:03:43,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 17:03:43,759 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:43,760 INFO L225 Difference]: With dead ends: 227 [2023-12-02 17:03:43,760 INFO L226 Difference]: Without dead ends: 188 [2023-12-02 17:03:43,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=586, Unknown=0, NotChecked=0, Total=756 [2023-12-02 17:03:43,760 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 130 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:43,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 20 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-02 17:03:43,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 133. [2023-12-02 17:03:43,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 2.022727272727273) internal successors, (267), 132 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:43,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 267 transitions. [2023-12-02 17:03:43,763 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 267 transitions. Word has length 23 [2023-12-02 17:03:43,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:43,763 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 267 transitions. [2023-12-02 17:03:43,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 267 transitions. [2023-12-02 17:03:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:43,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:43,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:43,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-02 17:03:43,764 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:43,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:43,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1475425496, now seen corresponding path program 4 times [2023-12-02 17:03:43,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:43,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941519100] [2023-12-02 17:03:43,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:43,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:44,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:44,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941519100] [2023-12-02 17:03:44,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941519100] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:44,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:44,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:44,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31127245] [2023-12-02 17:03:44,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:44,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:44,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:44,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:44,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:44,575 INFO L87 Difference]: Start difference. First operand 133 states and 267 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:45,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:45,403 INFO L93 Difference]: Finished difference Result 195 states and 378 transitions. [2023-12-02 17:03:45,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 17:03:45,404 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:45,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:45,404 INFO L225 Difference]: With dead ends: 195 [2023-12-02 17:03:45,404 INFO L226 Difference]: Without dead ends: 171 [2023-12-02 17:03:45,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2023-12-02 17:03:45,405 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 109 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:45,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 18 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:45,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-02 17:03:45,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 145. [2023-12-02 17:03:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 144 states have (on average 2.0277777777777777) internal successors, (292), 144 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 292 transitions. [2023-12-02 17:03:45,407 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 292 transitions. Word has length 23 [2023-12-02 17:03:45,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:45,408 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 292 transitions. [2023-12-02 17:03:45,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 292 transitions. [2023-12-02 17:03:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:45,408 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:45,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:45,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-02 17:03:45,409 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:45,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:45,409 INFO L85 PathProgramCache]: Analyzing trace with hash 316584478, now seen corresponding path program 5 times [2023-12-02 17:03:45,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:45,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872986827] [2023-12-02 17:03:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:45,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:46,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:46,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872986827] [2023-12-02 17:03:46,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872986827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:46,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:46,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:46,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596404610] [2023-12-02 17:03:46,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:46,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:46,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:46,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:46,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:46,073 INFO L87 Difference]: Start difference. First operand 145 states and 292 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:46,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:46,907 INFO L93 Difference]: Finished difference Result 216 states and 418 transitions. [2023-12-02 17:03:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:46,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:46,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:46,908 INFO L225 Difference]: With dead ends: 216 [2023-12-02 17:03:46,908 INFO L226 Difference]: Without dead ends: 197 [2023-12-02 17:03:46,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=511, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:03:46,909 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 108 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:46,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 20 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:03:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-12-02 17:03:46,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 157. [2023-12-02 17:03:46,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 2.0256410256410255) internal successors, (316), 156 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 316 transitions. [2023-12-02 17:03:46,913 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 316 transitions. Word has length 23 [2023-12-02 17:03:46,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:46,913 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 316 transitions. [2023-12-02 17:03:46,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:46,913 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 316 transitions. [2023-12-02 17:03:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:46,913 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:46,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:46,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-02 17:03:46,914 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:46,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:46,914 INFO L85 PathProgramCache]: Analyzing trace with hash 2106192876, now seen corresponding path program 6 times [2023-12-02 17:03:46,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:46,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763845920] [2023-12-02 17:03:46,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:46,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:47,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:47,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763845920] [2023-12-02 17:03:47,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763845920] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:47,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:47,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:47,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491639593] [2023-12-02 17:03:47,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:47,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:47,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:47,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:47,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:47,871 INFO L87 Difference]: Start difference. First operand 157 states and 316 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:48,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:48,608 INFO L93 Difference]: Finished difference Result 210 states and 404 transitions. [2023-12-02 17:03:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:03:48,609 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:48,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:48,609 INFO L225 Difference]: With dead ends: 210 [2023-12-02 17:03:48,609 INFO L226 Difference]: Without dead ends: 143 [2023-12-02 17:03:48,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:03:48,610 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 98 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:48,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 19 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:48,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-02 17:03:48,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 124. [2023-12-02 17:03:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.975609756097561) internal successors, (243), 123 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 243 transitions. [2023-12-02 17:03:48,613 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 243 transitions. Word has length 23 [2023-12-02 17:03:48,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:48,613 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 243 transitions. [2023-12-02 17:03:48,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 243 transitions. [2023-12-02 17:03:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:48,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:48,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:48,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-02 17:03:48,613 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:48,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:48,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1764240240, now seen corresponding path program 7 times [2023-12-02 17:03:48,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:48,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43846676] [2023-12-02 17:03:48,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:48,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:49,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:49,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43846676] [2023-12-02 17:03:49,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43846676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:49,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:49,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:03:49,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572875911] [2023-12-02 17:03:49,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:49,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 17:03:49,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:49,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 17:03:49,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:03:49,508 INFO L87 Difference]: Start difference. First operand 124 states and 243 transitions. Second operand has 13 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:50,137 INFO L93 Difference]: Finished difference Result 162 states and 296 transitions. [2023-12-02 17:03:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:03:50,137 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:50,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:50,137 INFO L225 Difference]: With dead ends: 162 [2023-12-02 17:03:50,137 INFO L226 Difference]: Without dead ends: 138 [2023-12-02 17:03:50,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:03:50,138 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 74 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:50,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 21 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:50,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-02 17:03:50,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 126. [2023-12-02 17:03:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.96) internal successors, (245), 125 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 245 transitions. [2023-12-02 17:03:50,140 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 245 transitions. Word has length 23 [2023-12-02 17:03:50,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:50,140 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 245 transitions. [2023-12-02 17:03:50,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 245 transitions. [2023-12-02 17:03:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:50,141 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:50,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:50,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-02 17:03:50,141 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:50,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:50,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1166903582, now seen corresponding path program 8 times [2023-12-02 17:03:50,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:50,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617281073] [2023-12-02 17:03:50,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:50,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:50,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:50,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617281073] [2023-12-02 17:03:50,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617281073] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:50,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:50,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:50,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933187612] [2023-12-02 17:03:50,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:50,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:50,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:50,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:50,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:50,783 INFO L87 Difference]: Start difference. First operand 126 states and 245 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:51,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:51,741 INFO L93 Difference]: Finished difference Result 161 states and 294 transitions. [2023-12-02 17:03:51,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-02 17:03:51,742 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:51,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:51,742 INFO L225 Difference]: With dead ends: 161 [2023-12-02 17:03:51,742 INFO L226 Difference]: Without dead ends: 148 [2023-12-02 17:03:51,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2023-12-02 17:03:51,743 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 92 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:51,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 23 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 17:03:51,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-12-02 17:03:51,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 128. [2023-12-02 17:03:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.9448818897637796) internal successors, (247), 127 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:51,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 247 transitions. [2023-12-02 17:03:51,746 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 247 transitions. Word has length 23 [2023-12-02 17:03:51,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:51,746 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 247 transitions. [2023-12-02 17:03:51,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 247 transitions. [2023-12-02 17:03:51,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:51,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:51,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:51,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-02 17:03:51,746 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:51,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:51,747 INFO L85 PathProgramCache]: Analyzing trace with hash -171264750, now seen corresponding path program 9 times [2023-12-02 17:03:51,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:51,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747082677] [2023-12-02 17:03:51,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:51,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:52,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:52,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747082677] [2023-12-02 17:03:52,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747082677] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:52,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:52,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:52,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835050877] [2023-12-02 17:03:52,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:52,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:52,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:52,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:52,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:52,620 INFO L87 Difference]: Start difference. First operand 128 states and 247 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:53,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:53,897 INFO L93 Difference]: Finished difference Result 163 states and 294 transitions. [2023-12-02 17:03:53,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 17:03:53,897 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:53,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:53,898 INFO L225 Difference]: With dead ends: 163 [2023-12-02 17:03:53,898 INFO L226 Difference]: Without dead ends: 158 [2023-12-02 17:03:53,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=238, Invalid=818, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 17:03:53,898 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 104 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:53,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 26 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 17:03:53,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-02 17:03:53,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 132. [2023-12-02 17:03:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.9389312977099236) internal successors, (254), 131 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 254 transitions. [2023-12-02 17:03:53,901 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 254 transitions. Word has length 23 [2023-12-02 17:03:53,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:53,902 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 254 transitions. [2023-12-02 17:03:53,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 254 transitions. [2023-12-02 17:03:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:53,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:53,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:53,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-02 17:03:53,903 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:53,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:53,903 INFO L85 PathProgramCache]: Analyzing trace with hash 272025330, now seen corresponding path program 10 times [2023-12-02 17:03:53,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:53,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717688996] [2023-12-02 17:03:53,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:53,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:54,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:54,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717688996] [2023-12-02 17:03:54,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717688996] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:54,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:54,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:54,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121232445] [2023-12-02 17:03:54,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:54,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:54,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:54,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:54,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:54,774 INFO L87 Difference]: Start difference. First operand 132 states and 254 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:55,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:55,492 INFO L93 Difference]: Finished difference Result 168 states and 301 transitions. [2023-12-02 17:03:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:03:55,492 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:55,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:55,492 INFO L225 Difference]: With dead ends: 168 [2023-12-02 17:03:55,493 INFO L226 Difference]: Without dead ends: 141 [2023-12-02 17:03:55,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:03:55,493 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 89 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:55,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 32 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-12-02 17:03:55,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 116. [2023-12-02 17:03:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.9565217391304348) internal successors, (225), 115 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 225 transitions. [2023-12-02 17:03:55,495 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 225 transitions. Word has length 23 [2023-12-02 17:03:55,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:55,495 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 225 transitions. [2023-12-02 17:03:55,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2023-12-02 17:03:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:55,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:55,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:55,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-02 17:03:55,496 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:55,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:55,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1707606482, now seen corresponding path program 11 times [2023-12-02 17:03:55,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:55,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086285824] [2023-12-02 17:03:55,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:55,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:56,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:56,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086285824] [2023-12-02 17:03:56,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086285824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:56,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:56,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:56,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587673816] [2023-12-02 17:03:56,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:56,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:56,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:56,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:56,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:56,106 INFO L87 Difference]: Start difference. First operand 116 states and 225 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:56,631 INFO L93 Difference]: Finished difference Result 148 states and 269 transitions. [2023-12-02 17:03:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:56,631 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:56,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:56,632 INFO L225 Difference]: With dead ends: 148 [2023-12-02 17:03:56,632 INFO L226 Difference]: Without dead ends: 126 [2023-12-02 17:03:56,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:03:56,632 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 96 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:56,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 30 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:03:56,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-12-02 17:03:56,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 116. [2023-12-02 17:03:56,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.9391304347826086) internal successors, (223), 115 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 223 transitions. [2023-12-02 17:03:56,634 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 223 transitions. Word has length 23 [2023-12-02 17:03:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:56,634 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 223 transitions. [2023-12-02 17:03:56,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:56,634 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 223 transitions. [2023-12-02 17:03:56,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:56,634 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:56,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:56,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-02 17:03:56,634 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:56,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:56,635 INFO L85 PathProgramCache]: Analyzing trace with hash -2024655016, now seen corresponding path program 12 times [2023-12-02 17:03:56,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:56,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254372508] [2023-12-02 17:03:56,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:56,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:57,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:57,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254372508] [2023-12-02 17:03:57,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254372508] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:57,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:57,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:57,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507305152] [2023-12-02 17:03:57,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:57,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:57,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:57,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:57,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:57,459 INFO L87 Difference]: Start difference. First operand 116 states and 223 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:58,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:58,194 INFO L93 Difference]: Finished difference Result 150 states and 270 transitions. [2023-12-02 17:03:58,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:58,195 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:58,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:58,195 INFO L225 Difference]: With dead ends: 150 [2023-12-02 17:03:58,195 INFO L226 Difference]: Without dead ends: 130 [2023-12-02 17:03:58,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:03:58,196 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 109 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:58,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 21 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:58,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-12-02 17:03:58,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 116. [2023-12-02 17:03:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.9043478260869566) internal successors, (219), 115 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 219 transitions. [2023-12-02 17:03:58,198 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 219 transitions. Word has length 23 [2023-12-02 17:03:58,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:58,198 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 219 transitions. [2023-12-02 17:03:58,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 219 transitions. [2023-12-02 17:03:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:58,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:58,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:58,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-02 17:03:58,199 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:58,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:58,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1408135686, now seen corresponding path program 13 times [2023-12-02 17:03:58,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:58,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283781053] [2023-12-02 17:03:58,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:58,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:03:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:03:59,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:03:59,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283781053] [2023-12-02 17:03:59,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283781053] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:03:59,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:03:59,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:03:59,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416567510] [2023-12-02 17:03:59,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:03:59,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:03:59,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:03:59,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:03:59,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:03:59,103 INFO L87 Difference]: Start difference. First operand 116 states and 219 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:59,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:59,914 INFO L93 Difference]: Finished difference Result 160 states and 288 transitions. [2023-12-02 17:03:59,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 17:03:59,915 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:03:59,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:59,915 INFO L225 Difference]: With dead ends: 160 [2023-12-02 17:03:59,915 INFO L226 Difference]: Without dead ends: 144 [2023-12-02 17:03:59,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=511, Unknown=0, NotChecked=0, Total=650 [2023-12-02 17:03:59,916 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 106 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:59,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 22 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:03:59,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-02 17:03:59,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 116. [2023-12-02 17:03:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.8695652173913044) internal successors, (215), 115 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 215 transitions. [2023-12-02 17:03:59,918 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 215 transitions. Word has length 23 [2023-12-02 17:03:59,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:59,918 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 215 transitions. [2023-12-02 17:03:59,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:03:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 215 transitions. [2023-12-02 17:03:59,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:03:59,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:59,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:59,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-02 17:03:59,919 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:03:59,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:59,919 INFO L85 PathProgramCache]: Analyzing trace with hash 904406304, now seen corresponding path program 14 times [2023-12-02 17:03:59,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:59,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492038600] [2023-12-02 17:03:59,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:59,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:00,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:00,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492038600] [2023-12-02 17:04:00,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492038600] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:00,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:00,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:00,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712256545] [2023-12-02 17:04:00,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:00,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:00,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:00,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:00,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:00,749 INFO L87 Difference]: Start difference. First operand 116 states and 215 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:01,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:01,574 INFO L93 Difference]: Finished difference Result 156 states and 278 transitions. [2023-12-02 17:04:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:04:01,574 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:01,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:01,575 INFO L225 Difference]: With dead ends: 156 [2023-12-02 17:04:01,575 INFO L226 Difference]: Without dead ends: 96 [2023-12-02 17:04:01,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2023-12-02 17:04:01,575 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 117 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:01,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 15 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:04:01,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-02 17:04:01,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 80. [2023-12-02 17:04:01,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.6708860759493671) internal successors, (132), 79 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 132 transitions. [2023-12-02 17:04:01,577 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 132 transitions. Word has length 23 [2023-12-02 17:04:01,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:01,578 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 132 transitions. [2023-12-02 17:04:01,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2023-12-02 17:04:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:01,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:01,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:01,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-02 17:04:01,578 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:01,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:01,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1262332492, now seen corresponding path program 15 times [2023-12-02 17:04:01,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:01,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749634905] [2023-12-02 17:04:01,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:01,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:02,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:02,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749634905] [2023-12-02 17:04:02,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749634905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:02,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:02,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:02,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081402560] [2023-12-02 17:04:02,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:02,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:02,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:02,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:02,377 INFO L87 Difference]: Start difference. First operand 80 states and 132 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:02,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:02,904 INFO L93 Difference]: Finished difference Result 102 states and 161 transitions. [2023-12-02 17:04:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 17:04:02,905 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:02,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:02,905 INFO L225 Difference]: With dead ends: 102 [2023-12-02 17:04:02,905 INFO L226 Difference]: Without dead ends: 80 [2023-12-02 17:04:02,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:04:02,905 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 66 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:02,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 25 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:04:02,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-02 17:04:02,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2023-12-02 17:04:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.6623376623376624) internal successors, (128), 77 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 128 transitions. [2023-12-02 17:04:02,908 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 128 transitions. Word has length 23 [2023-12-02 17:04:02,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:02,908 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 128 transitions. [2023-12-02 17:04:02,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 128 transitions. [2023-12-02 17:04:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:02,908 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:02,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:02,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-02 17:04:02,909 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:02,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:02,909 INFO L85 PathProgramCache]: Analyzing trace with hash 576958034, now seen corresponding path program 16 times [2023-12-02 17:04:02,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:02,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683339359] [2023-12-02 17:04:02,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:02,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:03,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:03,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683339359] [2023-12-02 17:04:03,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683339359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:03,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:03,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:04:03,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234100788] [2023-12-02 17:04:03,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:03,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:04:03,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:03,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:04:03,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:04:03,276 INFO L87 Difference]: Start difference. First operand 78 states and 128 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:03,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:03,392 INFO L93 Difference]: Finished difference Result 74 states and 119 transitions. [2023-12-02 17:04:03,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 17:04:03,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:03,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:03,392 INFO L225 Difference]: With dead ends: 74 [2023-12-02 17:04:03,392 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 17:04:03,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-02 17:04:03,393 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 47 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:03,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 10 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:04:03,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 17:04:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2023-12-02 17:04:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.6764705882352942) internal successors, (114), 68 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 114 transitions. [2023-12-02 17:04:03,394 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 114 transitions. Word has length 23 [2023-12-02 17:04:03,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:03,394 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 114 transitions. [2023-12-02 17:04:03,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2023-12-02 17:04:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:03,395 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:03,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:03,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-12-02 17:04:03,395 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:03,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:03,395 INFO L85 PathProgramCache]: Analyzing trace with hash 910140032, now seen corresponding path program 17 times [2023-12-02 17:04:03,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:03,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793172736] [2023-12-02 17:04:03,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:03,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:04,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:04,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793172736] [2023-12-02 17:04:04,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793172736] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:04,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:04,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:04,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689393917] [2023-12-02 17:04:04,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:04,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:04,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:04,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:04,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:04,138 INFO L87 Difference]: Start difference. First operand 69 states and 114 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:04,621 INFO L93 Difference]: Finished difference Result 82 states and 129 transitions. [2023-12-02 17:04:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:04:04,621 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:04,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:04,622 INFO L225 Difference]: With dead ends: 82 [2023-12-02 17:04:04,622 INFO L226 Difference]: Without dead ends: 67 [2023-12-02 17:04:04,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:04:04,622 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 58 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:04,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 28 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:04:04,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-02 17:04:04,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-12-02 17:04:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.6666666666666667) internal successors, (110), 66 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 110 transitions. [2023-12-02 17:04:04,624 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 110 transitions. Word has length 23 [2023-12-02 17:04:04,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:04,624 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 110 transitions. [2023-12-02 17:04:04,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 110 transitions. [2023-12-02 17:04:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:04,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:04,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:04,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-12-02 17:04:04,625 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:04,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:04,625 INFO L85 PathProgramCache]: Analyzing trace with hash -602278114, now seen corresponding path program 18 times [2023-12-02 17:04:04,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:04,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836891502] [2023-12-02 17:04:04,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:04,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:05,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:05,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836891502] [2023-12-02 17:04:05,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836891502] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:05,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:05,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:05,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711221887] [2023-12-02 17:04:05,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:05,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:05,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:05,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:05,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:05,271 INFO L87 Difference]: Start difference. First operand 67 states and 110 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:05,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:05,703 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2023-12-02 17:04:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:04:05,703 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:05,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:05,704 INFO L225 Difference]: With dead ends: 78 [2023-12-02 17:04:05,704 INFO L226 Difference]: Without dead ends: 65 [2023-12-02 17:04:05,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:04:05,704 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 63 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:05,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 14 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:04:05,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-02 17:04:05,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-02 17:04:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.65625) internal successors, (106), 64 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 106 transitions. [2023-12-02 17:04:05,706 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 106 transitions. Word has length 23 [2023-12-02 17:04:05,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:05,706 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 106 transitions. [2023-12-02 17:04:05,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 106 transitions. [2023-12-02 17:04:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:05,706 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:05,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:05,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-02 17:04:05,706 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:05,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:05,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1940446446, now seen corresponding path program 19 times [2023-12-02 17:04:05,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:05,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952235592] [2023-12-02 17:04:05,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:05,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:06,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:06,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952235592] [2023-12-02 17:04:06,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952235592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:06,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:06,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:06,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186308184] [2023-12-02 17:04:06,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:06,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:06,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:06,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:06,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:06,416 INFO L87 Difference]: Start difference. First operand 65 states and 106 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:06,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:06,873 INFO L93 Difference]: Finished difference Result 86 states and 132 transitions. [2023-12-02 17:04:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:04:06,873 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:06,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:06,874 INFO L225 Difference]: With dead ends: 86 [2023-12-02 17:04:06,874 INFO L226 Difference]: Without dead ends: 81 [2023-12-02 17:04:06,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:04:06,874 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 63 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:06,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 21 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:04:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-02 17:04:06,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2023-12-02 17:04:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.661764705882353) internal successors, (113), 68 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 113 transitions. [2023-12-02 17:04:06,876 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 113 transitions. Word has length 23 [2023-12-02 17:04:06,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:06,876 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 113 transitions. [2023-12-02 17:04:06,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2023-12-02 17:04:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:06,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:06,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:06,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-12-02 17:04:06,877 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:06,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:06,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1497156366, now seen corresponding path program 20 times [2023-12-02 17:04:06,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:06,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830991206] [2023-12-02 17:04:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:07,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:07,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830991206] [2023-12-02 17:04:07,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830991206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:07,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:07,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:07,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18548425] [2023-12-02 17:04:07,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:07,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:07,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:07,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:07,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:07,580 INFO L87 Difference]: Start difference. First operand 69 states and 113 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:08,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:08,144 INFO L93 Difference]: Finished difference Result 80 states and 126 transitions. [2023-12-02 17:04:08,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 17:04:08,145 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:08,145 INFO L225 Difference]: With dead ends: 80 [2023-12-02 17:04:08,145 INFO L226 Difference]: Without dead ends: 56 [2023-12-02 17:04:08,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:04:08,146 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 65 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:08,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 21 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:04:08,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-12-02 17:04:08,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-12-02 17:04:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.7454545454545454) internal successors, (96), 55 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 96 transitions. [2023-12-02 17:04:08,147 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 96 transitions. Word has length 23 [2023-12-02 17:04:08,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:08,147 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 96 transitions. [2023-12-02 17:04:08,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:08,147 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2023-12-02 17:04:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:08,148 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:08,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:08,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-02 17:04:08,148 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:08,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:08,148 INFO L85 PathProgramCache]: Analyzing trace with hash -974440946, now seen corresponding path program 21 times [2023-12-02 17:04:08,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:08,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285847268] [2023-12-02 17:04:08,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:08,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:08,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:08,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285847268] [2023-12-02 17:04:08,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285847268] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:08,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:08,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:08,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387331981] [2023-12-02 17:04:08,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:08,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:08,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:08,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:08,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:08,985 INFO L87 Difference]: Start difference. First operand 56 states and 96 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:09,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:09,514 INFO L93 Difference]: Finished difference Result 67 states and 109 transitions. [2023-12-02 17:04:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:04:09,514 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:09,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:09,515 INFO L225 Difference]: With dead ends: 67 [2023-12-02 17:04:09,515 INFO L226 Difference]: Without dead ends: 41 [2023-12-02 17:04:09,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:04:09,515 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 59 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:09,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 13 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:04:09,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-12-02 17:04:09,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-12-02 17:04:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.425) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2023-12-02 17:04:09,516 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 23 [2023-12-02 17:04:09,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:09,516 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2023-12-02 17:04:09,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2023-12-02 17:04:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:09,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:09,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:09,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-02 17:04:09,517 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:09,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:09,517 INFO L85 PathProgramCache]: Analyzing trace with hash -136330004, now seen corresponding path program 22 times [2023-12-02 17:04:09,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:09,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675611194] [2023-12-02 17:04:09,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:09,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:10,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:10,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675611194] [2023-12-02 17:04:10,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675611194] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:10,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:10,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:10,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402060019] [2023-12-02 17:04:10,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:10,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:10,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:10,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:10,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:10,256 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:10,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:10,735 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2023-12-02 17:04:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:04:10,736 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:10,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:10,736 INFO L225 Difference]: With dead ends: 45 [2023-12-02 17:04:10,736 INFO L226 Difference]: Without dead ends: 40 [2023-12-02 17:04:10,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:04:10,736 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 54 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:10,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 7 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 17:04:10,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-12-02 17:04:10,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-12-02 17:04:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 39 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:10,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2023-12-02 17:04:10,737 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 23 [2023-12-02 17:04:10,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:10,738 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2023-12-02 17:04:10,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-12-02 17:04:10,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 17:04:10,738 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:04:10,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:04:10,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-02 17:04:10,738 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-12-02 17:04:10,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:04:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 306960076, now seen corresponding path program 23 times [2023-12-02 17:04:10,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:04:10,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32492007] [2023-12-02 17:04:10,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:04:10,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:04:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:04:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:04:11,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:04:11,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32492007] [2023-12-02 17:04:11,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32492007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:04:11,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:04:11,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 17:04:11,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906909410] [2023-12-02 17:04:11,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:04:11,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:04:11,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:04:11,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:04:11,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:04:11,502 INFO L87 Difference]: Start difference. First operand 40 states and 55 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:11,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:04:11,890 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2023-12-02 17:04:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 17:04:11,891 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 17:04:11,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:04:11,891 INFO L225 Difference]: With dead ends: 39 [2023-12-02 17:04:11,891 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 17:04:11,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2023-12-02 17:04:11,891 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:04:11,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:04:11,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 17:04:11,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 17:04:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 17:04:11,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-12-02 17:04:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:04:11,892 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 17:04:11,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:04:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 17:04:11,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 17:04:11,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-12-02 17:04:11,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-12-02 17:04:11,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-12-02 17:04:11,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-12-02 17:04:11,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-12-02 17:04:11,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-12-02 17:04:11,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-12-02 17:04:11,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-12-02 17:04:11,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-02 17:04:11,897 INFO L445 BasicCegarLoop]: Path program histogram: [50, 23, 8, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2023-12-02 17:04:11,900 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 17:04:11,901 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:04:11,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:04:11 BasicIcfg [2023-12-02 17:04:11,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:04:11,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:04:11,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:04:11,903 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:04:11,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:02:07" (3/4) ... [2023-12-02 17:04:11,904 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:04:11,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-12-02 17:04:11,912 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 126 nodes and edges [2023-12-02 17:04:11,913 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2023-12-02 17:04:11,913 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 17:04:11,914 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:04:11,998 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:04:11,998 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:04:11,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:04:11,999 INFO L158 Benchmark]: Toolchain (without parser) took 126164.36ms. Allocated memory was 155.2MB in the beginning and 503.3MB in the end (delta: 348.1MB). Free memory was 113.8MB in the beginning and 177.6MB in the end (delta: -63.8MB). Peak memory consumption was 285.9MB. Max. memory is 16.1GB. [2023-12-02 17:04:11,999 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 125.4MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:04:12,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.39ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 79.9MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 17:04:12,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.65ms. Allocated memory is still 155.2MB. Free memory was 79.9MB in the beginning and 76.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:04:12,000 INFO L158 Benchmark]: Boogie Preprocessor took 56.97ms. Allocated memory is still 155.2MB. Free memory was 76.7MB in the beginning and 73.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:04:12,001 INFO L158 Benchmark]: RCFGBuilder took 836.28ms. Allocated memory was 155.2MB in the beginning and 241.2MB in the end (delta: 86.0MB). Free memory was 73.6MB in the beginning and 179.5MB in the end (delta: -105.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-12-02 17:04:12,001 INFO L158 Benchmark]: TraceAbstraction took 124453.69ms. Allocated memory was 241.2MB in the beginning and 503.3MB in the end (delta: 262.1MB). Free memory was 178.4MB in the beginning and 183.9MB in the end (delta: -5.5MB). Peak memory consumption was 255.6MB. Max. memory is 16.1GB. [2023-12-02 17:04:12,001 INFO L158 Benchmark]: Witness Printer took 95.99ms. Allocated memory is still 503.3MB. Free memory was 183.9MB in the beginning and 177.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 17:04:12,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 125.4MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.39ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 79.9MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.65ms. Allocated memory is still 155.2MB. Free memory was 79.9MB in the beginning and 76.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.97ms. Allocated memory is still 155.2MB. Free memory was 76.7MB in the beginning and 73.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 836.28ms. Allocated memory was 155.2MB in the beginning and 241.2MB in the end (delta: 86.0MB). Free memory was 73.6MB in the beginning and 179.5MB in the end (delta: -105.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * TraceAbstraction took 124453.69ms. Allocated memory was 241.2MB in the beginning and 503.3MB in the end (delta: 262.1MB). Free memory was 178.4MB in the beginning and 183.9MB in the end (delta: -5.5MB). Peak memory consumption was 255.6MB. Max. memory is 16.1GB. * Witness Printer took 95.99ms. Allocated memory is still 503.3MB. Free memory was 183.9MB in the beginning and 177.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 124.3s, OverallIterations: 104, TraceHistogramMax: 1, PathProgramHistogramMax: 50, EmptinessCheckTime: 0.1s, AutomataDifference: 61.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10898 SdHoareTripleChecker+Valid, 31.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10898 mSDsluCounter, 3555 SdHoareTripleChecker+Invalid, 27.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2996 mSDsCounter, 1720 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38374 IncrementalHoareTripleChecker+Invalid, 40094 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1720 mSolverCounterUnsat, 559 mSDtfsCounter, 38374 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2224 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6670 ImplicationChecksByTransitivity, 40.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=805occurred in iteration=2, InterpolantAutomatonStates: 1561, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 104 MinimizatonAttempts, 7114 StatesRemovedByMinimization, 89 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 57.9s InterpolantComputationTime, 2067 NumberOfCodeBlocks, 2067 NumberOfCodeBlocksAsserted, 104 NumberOfCheckSat, 1963 ConstructedInterpolants, 0 QuantifiedInterpolants, 34671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 104 InterpolantComputations, 104 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 17:04:12,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f5c5a-1de3-4947-a493-c5f5f2934d1f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE