./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ --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 64bit --witnessprinter.graph.data.programhash 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:02,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:02,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:24:02,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:02,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:02,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:02,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:02,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:02,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:02,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:02,485 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:02,486 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:02,486 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:02,487 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:24:02,488 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:02,488 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:02,489 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:24:02,489 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:24:02,490 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:02,491 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:24:02,491 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:24:02,492 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:24:02,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:02,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:02,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:02,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:02,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:02,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:02,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:02,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:24:02,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:24:02,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:02,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:02,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:02,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:02,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:02,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:02,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:02,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:02,502 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:24:02,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:24:02,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:02,504 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:02,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:02,505 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_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 [2023-11-19 05:24:02,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:02,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:02,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:02,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:02,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:02,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2023-11-19 05:24:05,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:06,243 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:06,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2023-11-19 05:24:06,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/data/309775d73/9b03f4b5e8924645961de3741c8ba83c/FLAG4fbfae2c1 [2023-11-19 05:24:06,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/data/309775d73/9b03f4b5e8924645961de3741c8ba83c [2023-11-19 05:24:06,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:06,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:06,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:06,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:06,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:06,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a19c6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06, skipping insertion in model container [2023-11-19 05:24:06,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:06,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:06,702 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:06,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:06,769 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:06,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06 WrapperNode [2023-11-19 05:24:06,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:06,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:06,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:06,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:06,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,816 INFO L138 Inliner]: procedures = 110, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 224 [2023-11-19 05:24:06,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:06,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:06,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:06,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:06,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:06,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:06,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:06,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:06,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (1/1) ... [2023-11-19 05:24:06,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:06,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:06,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:06,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:24:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:24:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:24:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:24:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:07,065 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:07,068 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:07,492 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:07,573 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:07,573 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:07,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:07 BoogieIcfgContainer [2023-11-19 05:24:07,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:07,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:07,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:07,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:07,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:06" (1/3) ... [2023-11-19 05:24:07,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7911c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:07, skipping insertion in model container [2023-11-19 05:24:07,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:06" (2/3) ... [2023-11-19 05:24:07,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7911c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:07, skipping insertion in model container [2023-11-19 05:24:07,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:07" (3/3) ... [2023-11-19 05:24:07,588 INFO L112 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-alloca-2.i [2023-11-19 05:24:07,608 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:07,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-19 05:24:07,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:07,662 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;@17d1ba50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:07,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-11-19 05:24:07,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 55 states have (on average 1.8363636363636364) internal successors, (101), 91 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:07,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 05:24:07,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:07,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 05:24:07,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:07,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:07,677 INFO L85 PathProgramCache]: Analyzing trace with hash 187972, now seen corresponding path program 1 times [2023-11-19 05:24:07,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:07,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849863752] [2023-11-19 05:24:07,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:07,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:08,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:08,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849863752] [2023-11-19 05:24:08,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849863752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:08,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:08,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:08,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833170635] [2023-11-19 05:24:08,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:08,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:08,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:08,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:08,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:08,515 INFO L87 Difference]: Start difference. First operand has 92 states, 55 states have (on average 1.8363636363636364) internal successors, (101), 91 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:08,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:08,700 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2023-11-19 05:24:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:08,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-19 05:24:08,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:08,715 INFO L225 Difference]: With dead ends: 94 [2023-11-19 05:24:08,715 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 05:24:08,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:24:08,724 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 9 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:08,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 229 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:08,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 05:24:08,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-19 05:24:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 54 states have (on average 1.7962962962962963) internal successors, (97), 88 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2023-11-19 05:24:08,779 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 3 [2023-11-19 05:24:08,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:08,780 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2023-11-19 05:24:08,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2023-11-19 05:24:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 05:24:08,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:08,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 05:24:08,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:24:08,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:08,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:08,783 INFO L85 PathProgramCache]: Analyzing trace with hash 187780, now seen corresponding path program 1 times [2023-11-19 05:24:08,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:08,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618036573] [2023-11-19 05:24:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:08,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:08,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:08,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:08,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618036573] [2023-11-19 05:24:08,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618036573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:08,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:08,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:08,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160272239] [2023-11-19 05:24:08,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:08,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:08,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:08,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:08,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:08,865 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:08,952 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2023-11-19 05:24:08,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:08,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-19 05:24:08,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:08,955 INFO L225 Difference]: With dead ends: 89 [2023-11-19 05:24:08,955 INFO L226 Difference]: Without dead ends: 88 [2023-11-19 05:24:08,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:08,957 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 2 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:08,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 228 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-19 05:24:08,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-19 05:24:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 54 states have (on average 1.7777777777777777) internal successors, (96), 87 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) [2023-11-19 05:24:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2023-11-19 05:24:08,968 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 3 [2023-11-19 05:24:08,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:08,968 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2023-11-19 05:24:08,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2023-11-19 05:24:08,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:24:08,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:08,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:24:08,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:24:08,970 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:08,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:08,971 INFO L85 PathProgramCache]: Analyzing trace with hash 5827184, now seen corresponding path program 1 times [2023-11-19 05:24:08,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:08,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124283538] [2023-11-19 05:24:08,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:08,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:09,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:09,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124283538] [2023-11-19 05:24:09,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124283538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:09,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:09,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:09,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505786447] [2023-11-19 05:24:09,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:09,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:09,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:09,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:09,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:09,044 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:09,115 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2023-11-19 05:24:09,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:09,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 05:24:09,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:09,117 INFO L225 Difference]: With dead ends: 88 [2023-11-19 05:24:09,117 INFO L226 Difference]: Without dead ends: 87 [2023-11-19 05:24:09,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:09,119 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:09,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 228 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:09,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-19 05:24:09,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-19 05:24:09,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.7592592592592593) internal successors, (95), 86 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2023-11-19 05:24:09,128 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 4 [2023-11-19 05:24:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:09,128 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2023-11-19 05:24:09,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2023-11-19 05:24:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:24:09,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:09,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:24:09,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:24:09,130 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:09,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:09,130 INFO L85 PathProgramCache]: Analyzing trace with hash 5821226, now seen corresponding path program 1 times [2023-11-19 05:24:09,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:09,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711846632] [2023-11-19 05:24:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:09,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:09,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:09,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711846632] [2023-11-19 05:24:09,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711846632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:09,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:09,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:09,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704217484] [2023-11-19 05:24:09,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:09,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:09,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:09,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:09,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:09,300 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:09,377 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2023-11-19 05:24:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:09,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 05:24:09,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:09,378 INFO L225 Difference]: With dead ends: 87 [2023-11-19 05:24:09,379 INFO L226 Difference]: Without dead ends: 86 [2023-11-19 05:24:09,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:09,381 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:09,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:09,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-19 05:24:09,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-19 05:24:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 54 states have (on average 1.7407407407407407) internal successors, (94), 85 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2023-11-19 05:24:09,388 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 4 [2023-11-19 05:24:09,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:09,389 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2023-11-19 05:24:09,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2023-11-19 05:24:09,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:24:09,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:09,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:09,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:24:09,391 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:09,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:09,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1799000616, now seen corresponding path program 1 times [2023-11-19 05:24:09,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:09,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438968021] [2023-11-19 05:24:09,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:09,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:09,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:09,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438968021] [2023-11-19 05:24:09,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438968021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:09,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:09,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:24:09,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577347314] [2023-11-19 05:24:09,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:09,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:24:09,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:09,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:24:09,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:09,687 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:09,911 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2023-11-19 05:24:09,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:24:09,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-19 05:24:09,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:09,916 INFO L225 Difference]: With dead ends: 96 [2023-11-19 05:24:09,917 INFO L226 Difference]: Without dead ends: 95 [2023-11-19 05:24:09,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:24:09,920 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:09,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 381 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:09,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-19 05:24:09,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2023-11-19 05:24:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 57 states have (on average 1.719298245614035) internal successors, (98), 88 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2023-11-19 05:24:09,947 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 7 [2023-11-19 05:24:09,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:09,950 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2023-11-19 05:24:09,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2023-11-19 05:24:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:24:09,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:09,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:09,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:24:09,952 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:09,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1799000424, now seen corresponding path program 1 times [2023-11-19 05:24:09,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:09,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870587940] [2023-11-19 05:24:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:10,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:10,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870587940] [2023-11-19 05:24:10,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870587940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:10,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:10,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:10,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882194234] [2023-11-19 05:24:10,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:10,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:10,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:10,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:10,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:10,048 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:10,128 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2023-11-19 05:24:10,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:10,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-19 05:24:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:10,132 INFO L225 Difference]: With dead ends: 89 [2023-11-19 05:24:10,135 INFO L226 Difference]: Without dead ends: 88 [2023-11-19 05:24:10,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:10,138 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 2 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:10,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 219 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:10,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-19 05:24:10,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-19 05:24:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 57 states have (on average 1.7017543859649122) internal successors, (97), 87 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2023-11-19 05:24:10,158 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 7 [2023-11-19 05:24:10,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:10,163 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2023-11-19 05:24:10,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2023-11-19 05:24:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:24:10,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:10,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:10,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 05:24:10,165 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:10,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:10,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1621505838, now seen corresponding path program 1 times [2023-11-19 05:24:10,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:10,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199923851] [2023-11-19 05:24:10,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:10,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:10,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:10,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199923851] [2023-11-19 05:24:10,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199923851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:10,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:10,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:24:10,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854797342] [2023-11-19 05:24:10,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:10,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:24:10,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:10,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:24:10,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:10,324 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:10,452 INFO L93 Difference]: Finished difference Result 163 states and 178 transitions. [2023-11-19 05:24:10,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:24:10,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-19 05:24:10,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:10,454 INFO L225 Difference]: With dead ends: 163 [2023-11-19 05:24:10,454 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 05:24:10,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:10,456 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 3 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:10,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 358 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 05:24:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2023-11-19 05:24:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.6785714285714286) internal successors, (94), 85 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2023-11-19 05:24:10,465 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 7 [2023-11-19 05:24:10,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:10,466 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2023-11-19 05:24:10,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2023-11-19 05:24:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:24:10,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:10,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:10,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 05:24:10,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:10,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:10,468 INFO L85 PathProgramCache]: Analyzing trace with hash -65555685, now seen corresponding path program 1 times [2023-11-19 05:24:10,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:10,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160967749] [2023-11-19 05:24:10,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:10,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:10,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:10,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160967749] [2023-11-19 05:24:10,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160967749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:10,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:10,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:10,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792628885] [2023-11-19 05:24:10,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:10,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:10,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:10,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:10,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:10,540 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:10,615 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2023-11-19 05:24:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:10,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 05:24:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:10,616 INFO L225 Difference]: With dead ends: 86 [2023-11-19 05:24:10,617 INFO L226 Difference]: Without dead ends: 85 [2023-11-19 05:24:10,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:10,618 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:10,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:10,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-19 05:24:10,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-19 05:24:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 56 states have (on average 1.6607142857142858) internal successors, (93), 84 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2023-11-19 05:24:10,622 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 8 [2023-11-19 05:24:10,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:10,623 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2023-11-19 05:24:10,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,623 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2023-11-19 05:24:10,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:24:10,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:10,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:10,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 05:24:10,625 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:10,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:10,625 INFO L85 PathProgramCache]: Analyzing trace with hash -65561643, now seen corresponding path program 1 times [2023-11-19 05:24:10,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:10,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777861296] [2023-11-19 05:24:10,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:10,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:10,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:10,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777861296] [2023-11-19 05:24:10,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777861296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:10,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:10,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:24:10,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687545449] [2023-11-19 05:24:10,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:10,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:24:10,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:10,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:24:10,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:24:10,731 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:10,854 INFO L93 Difference]: Finished difference Result 158 states and 172 transitions. [2023-11-19 05:24:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:24:10,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 05:24:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:10,856 INFO L225 Difference]: With dead ends: 158 [2023-11-19 05:24:10,857 INFO L226 Difference]: Without dead ends: 85 [2023-11-19 05:24:10,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:10,858 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 3 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:10,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 336 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:10,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-19 05:24:10,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-19 05:24:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 56 states have (on average 1.6428571428571428) internal successors, (92), 84 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2023-11-19 05:24:10,862 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 8 [2023-11-19 05:24:10,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:10,863 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2023-11-19 05:24:10,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:10,863 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2023-11-19 05:24:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:24:10,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:10,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:10,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 05:24:10,864 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:10,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1272932465, now seen corresponding path program 1 times [2023-11-19 05:24:10,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:10,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676929309] [2023-11-19 05:24:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:10,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:11,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:11,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676929309] [2023-11-19 05:24:11,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676929309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:11,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:11,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:24:11,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223856505] [2023-11-19 05:24:11,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:11,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:24:11,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:11,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:24:11,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:11,065 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:11,224 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2023-11-19 05:24:11,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:24:11,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 05:24:11,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:11,226 INFO L225 Difference]: With dead ends: 85 [2023-11-19 05:24:11,226 INFO L226 Difference]: Without dead ends: 84 [2023-11-19 05:24:11,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:24:11,227 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 6 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:11,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 328 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:11,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-19 05:24:11,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-19 05:24:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.625) internal successors, (91), 83 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2023-11-19 05:24:11,232 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 8 [2023-11-19 05:24:11,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:11,233 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2023-11-19 05:24:11,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2023-11-19 05:24:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:24:11,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:11,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:11,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 05:24:11,234 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:11,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:11,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1240776652, now seen corresponding path program 1 times [2023-11-19 05:24:11,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:11,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025091354] [2023-11-19 05:24:11,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:11,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:11,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:11,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025091354] [2023-11-19 05:24:11,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025091354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:11,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:11,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 05:24:11,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978633999] [2023-11-19 05:24:11,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:11,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:24:11,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:11,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:24:11,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:24:11,535 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:11,737 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2023-11-19 05:24:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 05:24:11,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-19 05:24:11,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:11,739 INFO L225 Difference]: With dead ends: 94 [2023-11-19 05:24:11,739 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 05:24:11,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:24:11,741 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 14 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:11,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 420 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:11,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 05:24:11,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2023-11-19 05:24:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.6101694915254237) internal successors, (95), 86 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2023-11-19 05:24:11,745 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 11 [2023-11-19 05:24:11,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:11,745 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2023-11-19 05:24:11,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,745 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2023-11-19 05:24:11,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:24:11,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:11,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:11,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 05:24:11,747 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:11,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:11,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1240776460, now seen corresponding path program 1 times [2023-11-19 05:24:11,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:11,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218885103] [2023-11-19 05:24:11,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:11,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:11,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218885103] [2023-11-19 05:24:11,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218885103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:11,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:11,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:11,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255010102] [2023-11-19 05:24:11,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:11,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:11,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:11,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:11,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:11,807 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:11,879 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2023-11-19 05:24:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:11,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-19 05:24:11,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:11,881 INFO L225 Difference]: With dead ends: 87 [2023-11-19 05:24:11,881 INFO L226 Difference]: Without dead ends: 86 [2023-11-19 05:24:11,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:11,882 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:11,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 207 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:11,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-19 05:24:11,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-19 05:24:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 85 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2023-11-19 05:24:11,886 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 11 [2023-11-19 05:24:11,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:11,887 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2023-11-19 05:24:11,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2023-11-19 05:24:11,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:24:11,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:11,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:11,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 05:24:11,888 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:11,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:11,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1664739624, now seen corresponding path program 1 times [2023-11-19 05:24:11,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:11,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449260090] [2023-11-19 05:24:11,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:11,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:12,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:12,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449260090] [2023-11-19 05:24:12,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449260090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:12,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:12,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 05:24:12,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161338463] [2023-11-19 05:24:12,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:12,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:24:12,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:12,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:24:12,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:24:12,105 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:12,294 INFO L93 Difference]: Finished difference Result 151 states and 164 transitions. [2023-11-19 05:24:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 05:24:12,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-19 05:24:12,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:12,295 INFO L225 Difference]: With dead ends: 151 [2023-11-19 05:24:12,295 INFO L226 Difference]: Without dead ends: 87 [2023-11-19 05:24:12,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:24:12,297 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 5 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:12,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 494 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-19 05:24:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2023-11-19 05:24:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 83 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2023-11-19 05:24:12,300 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 11 [2023-11-19 05:24:12,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:12,301 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2023-11-19 05:24:12,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2023-11-19 05:24:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 05:24:12,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:12,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:12,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 05:24:12,302 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:12,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:12,303 INFO L85 PathProgramCache]: Analyzing trace with hash -190629370, now seen corresponding path program 1 times [2023-11-19 05:24:12,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:12,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823394613] [2023-11-19 05:24:12,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:12,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:12,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823394613] [2023-11-19 05:24:12,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823394613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:12,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:12,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:12,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110125479] [2023-11-19 05:24:12,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:12,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:12,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:12,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:12,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:12,360 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:12,428 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2023-11-19 05:24:12,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:12,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-19 05:24:12,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:12,430 INFO L225 Difference]: With dead ends: 84 [2023-11-19 05:24:12,430 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 05:24:12,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:12,431 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:12,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:12,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 05:24:12,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 05:24:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 82 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2023-11-19 05:24:12,435 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 12 [2023-11-19 05:24:12,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:12,435 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2023-11-19 05:24:12,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2023-11-19 05:24:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 05:24:12,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:12,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:12,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 05:24:12,437 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:12,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:12,437 INFO L85 PathProgramCache]: Analyzing trace with hash -190635328, now seen corresponding path program 1 times [2023-11-19 05:24:12,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:12,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347807548] [2023-11-19 05:24:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:12,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:12,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:12,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347807548] [2023-11-19 05:24:12,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347807548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:12,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:12,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 05:24:12,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413127110] [2023-11-19 05:24:12,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:12,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:24:12,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:24:12,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:24:12,649 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:12,832 INFO L93 Difference]: Finished difference Result 146 states and 158 transitions. [2023-11-19 05:24:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:24:12,832 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-19 05:24:12,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:12,833 INFO L225 Difference]: With dead ends: 146 [2023-11-19 05:24:12,833 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 05:24:12,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:24:12,835 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 4 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:12,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 455 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:12,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 05:24:12,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 05:24:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 82 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions. [2023-11-19 05:24:12,838 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 12 [2023-11-19 05:24:12,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:12,838 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions. [2023-11-19 05:24:12,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2023-11-19 05:24:12,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 05:24:12,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:12,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:12,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-19 05:24:12,839 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:12,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:12,840 INFO L85 PathProgramCache]: Analyzing trace with hash -67326668, now seen corresponding path program 1 times [2023-11-19 05:24:12,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:12,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391088801] [2023-11-19 05:24:12,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:12,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:13,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:13,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391088801] [2023-11-19 05:24:13,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391088801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:13,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:13,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 05:24:13,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047960676] [2023-11-19 05:24:13,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:13,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:24:13,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:13,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:24:13,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:24:13,121 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:13,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:13,336 INFO L93 Difference]: Finished difference Result 83 states and 89 transitions. [2023-11-19 05:24:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 05:24:13,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-19 05:24:13,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:13,337 INFO L225 Difference]: With dead ends: 83 [2023-11-19 05:24:13,337 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 05:24:13,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-11-19 05:24:13,338 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 8 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:13,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 447 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:13,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 05:24:13,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-19 05:24:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.5172413793103448) internal successors, (88), 81 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2023-11-19 05:24:13,342 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 12 [2023-11-19 05:24:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:13,342 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2023-11-19 05:24:13,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2023-11-19 05:24:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 05:24:13,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:13,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:13,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-19 05:24:13,344 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:13,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:13,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1092712848, now seen corresponding path program 1 times [2023-11-19 05:24:13,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:13,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576007974] [2023-11-19 05:24:13,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:13,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:13,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:13,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576007974] [2023-11-19 05:24:13,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576007974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:13,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:13,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465686680] [2023-11-19 05:24:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:13,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:13,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:13,407 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2023-11-19 05:24:13,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:13,488 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2023-11-19 05:24:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:13,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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 [2023-11-19 05:24:13,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:13,489 INFO L225 Difference]: With dead ends: 82 [2023-11-19 05:24:13,490 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 05:24:13,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:13,491 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 2 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:13,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 195 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:13,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 05:24:13,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 05:24:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.5) internal successors, (87), 80 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:13,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2023-11-19 05:24:13,494 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 15 [2023-11-19 05:24:13,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:13,495 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2023-11-19 05:24:13,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2023-11-19 05:24:13,495 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2023-11-19 05:24:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 05:24:13,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:13,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:13,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-19 05:24:13,496 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:13,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:13,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1092712656, now seen corresponding path program 1 times [2023-11-19 05:24:13,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:13,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536212545] [2023-11-19 05:24:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:13,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:13,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:13,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536212545] [2023-11-19 05:24:13,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536212545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:13,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:13,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-19 05:24:13,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082678772] [2023-11-19 05:24:13,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:13,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 05:24:13,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:13,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 05:24:13,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:24:13,930 INFO L87 Difference]: Start difference. First operand 81 states and 87 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 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) [2023-11-19 05:24:14,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:14,179 INFO L93 Difference]: Finished difference Result 90 states and 97 transitions. [2023-11-19 05:24:14,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 05:24:14,180 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 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 [2023-11-19 05:24:14,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:14,181 INFO L225 Difference]: With dead ends: 90 [2023-11-19 05:24:14,181 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 05:24:14,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-11-19 05:24:14,182 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 30 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:14,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 395 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:14,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 05:24:14,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2023-11-19 05:24:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.4918032786885247) internal successors, (91), 83 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2023-11-19 05:24:14,185 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 15 [2023-11-19 05:24:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:14,185 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2023-11-19 05:24:14,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 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) [2023-11-19 05:24:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2023-11-19 05:24:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 05:24:14,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:14,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:14,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-19 05:24:14,186 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:14,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:14,187 INFO L85 PathProgramCache]: Analyzing trace with hash 21044546, now seen corresponding path program 1 times [2023-11-19 05:24:14,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:14,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683298189] [2023-11-19 05:24:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:14,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:14,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:14,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683298189] [2023-11-19 05:24:14,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683298189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:14,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:14,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:24:14,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261275712] [2023-11-19 05:24:14,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:14,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:24:14,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:14,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:24:14,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:14,323 INFO L87 Difference]: Start difference. First operand 84 states and 91 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) [2023-11-19 05:24:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:14,461 INFO L93 Difference]: Finished difference Result 139 states and 150 transitions. [2023-11-19 05:24:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:24:14,466 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 [2023-11-19 05:24:14,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:14,467 INFO L225 Difference]: With dead ends: 139 [2023-11-19 05:24:14,467 INFO L226 Difference]: Without dead ends: 85 [2023-11-19 05:24:14,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:14,468 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 3 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:14,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 357 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:14,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-19 05:24:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-11-19 05:24:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 81 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2023-11-19 05:24:14,472 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 15 [2023-11-19 05:24:14,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:14,473 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2023-11-19 05:24:14,473 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) [2023-11-19 05:24:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2023-11-19 05:24:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 05:24:14,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:14,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:14,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-19 05:24:14,475 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:14,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:14,477 INFO L85 PathProgramCache]: Analyzing trace with hash 485640171, now seen corresponding path program 1 times [2023-11-19 05:24:14,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:14,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317838073] [2023-11-19 05:24:14,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:14,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:14,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317838073] [2023-11-19 05:24:14,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317838073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:14,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:14,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-19 05:24:14,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381817781] [2023-11-19 05:24:14,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:14,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:24:14,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:14,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:24:14,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:24:14,753 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:15,011 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2023-11-19 05:24:15,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:24:15,012 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-19 05:24:15,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:15,013 INFO L225 Difference]: With dead ends: 135 [2023-11-19 05:24:15,013 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 05:24:15,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-19 05:24:15,014 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 10 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:15,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 515 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:15,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 05:24:15,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-19 05:24:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.45) internal successors, (87), 81 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2023-11-19 05:24:15,017 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 16 [2023-11-19 05:24:15,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:15,017 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2023-11-19 05:24:15,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2023-11-19 05:24:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 05:24:15,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:15,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:15,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-19 05:24:15,019 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:15,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:15,019 INFO L85 PathProgramCache]: Analyzing trace with hash 485646129, now seen corresponding path program 1 times [2023-11-19 05:24:15,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:15,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720323137] [2023-11-19 05:24:15,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:15,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:15,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:15,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720323137] [2023-11-19 05:24:15,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720323137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:15,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:15,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:15,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424013089] [2023-11-19 05:24:15,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:15,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:15,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:15,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:15,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:15,084 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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) [2023-11-19 05:24:15,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:15,150 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2023-11-19 05:24:15,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:15,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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 [2023-11-19 05:24:15,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:15,151 INFO L225 Difference]: With dead ends: 82 [2023-11-19 05:24:15,151 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 05:24:15,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:15,152 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:15,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 05:24:15,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 05:24:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 80 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2023-11-19 05:24:15,160 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 16 [2023-11-19 05:24:15,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:15,160 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2023-11-19 05:24:15,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 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) [2023-11-19 05:24:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2023-11-19 05:24:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 05:24:15,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:15,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:15,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-19 05:24:15,164 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:15,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:15,164 INFO L85 PathProgramCache]: Analyzing trace with hash 652375065, now seen corresponding path program 1 times [2023-11-19 05:24:15,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:15,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322317834] [2023-11-19 05:24:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:15,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:15,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:15,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322317834] [2023-11-19 05:24:15,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322317834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:15,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:15,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-19 05:24:15,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254412173] [2023-11-19 05:24:15,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:15,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 05:24:15,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:15,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 05:24:15,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:24:15,565 INFO L87 Difference]: Start difference. First operand 81 states and 86 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) [2023-11-19 05:24:15,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:15,747 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2023-11-19 05:24:15,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 05:24:15,750 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 [2023-11-19 05:24:15,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:15,750 INFO L225 Difference]: With dead ends: 81 [2023-11-19 05:24:15,750 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 05:24:15,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-11-19 05:24:15,751 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 24 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:15,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 367 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:15,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 05:24:15,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 05:24:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 79 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2023-11-19 05:24:15,754 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 16 [2023-11-19 05:24:15,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:15,755 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2023-11-19 05:24:15,755 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) [2023-11-19 05:24:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2023-11-19 05:24:15,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:24:15,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:15,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:15,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-19 05:24:15,756 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:15,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:15,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1860892780, now seen corresponding path program 1 times [2023-11-19 05:24:15,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:15,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724920070] [2023-11-19 05:24:15,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:15,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:15,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:15,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724920070] [2023-11-19 05:24:15,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724920070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:15,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:15,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:15,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831668253] [2023-11-19 05:24:15,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:15,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:15,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:15,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:15,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:15,818 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:15,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:15,889 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2023-11-19 05:24:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:15,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-19 05:24:15,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:15,890 INFO L225 Difference]: With dead ends: 80 [2023-11-19 05:24:15,891 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 05:24:15,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:15,892 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:15,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 183 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:15,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 05:24:15,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-19 05:24:15,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.4) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2023-11-19 05:24:15,895 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 19 [2023-11-19 05:24:15,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:15,896 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2023-11-19 05:24:15,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2023-11-19 05:24:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:24:15,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:15,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:15,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-19 05:24:15,897 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:15,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:15,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1860892588, now seen corresponding path program 1 times [2023-11-19 05:24:15,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:15,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055684720] [2023-11-19 05:24:15,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:15,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:16,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:16,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:16,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055684720] [2023-11-19 05:24:16,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055684720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:16,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:16,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-19 05:24:16,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988084590] [2023-11-19 05:24:16,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:16,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 05:24:16,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:16,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 05:24:16,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-19 05:24:16,404 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:16,723 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2023-11-19 05:24:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 05:24:16,723 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-19 05:24:16,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:16,724 INFO L225 Difference]: With dead ends: 88 [2023-11-19 05:24:16,724 INFO L226 Difference]: Without dead ends: 87 [2023-11-19 05:24:16,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:24:16,725 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 25 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:16,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 517 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:24:16,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-19 05:24:16,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2023-11-19 05:24:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 81 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2023-11-19 05:24:16,727 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 19 [2023-11-19 05:24:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:16,728 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2023-11-19 05:24:16,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2023-11-19 05:24:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:24:16,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:16,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:16,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-19 05:24:16,729 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:16,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:16,729 INFO L85 PathProgramCache]: Analyzing trace with hash 178645612, now seen corresponding path program 1 times [2023-11-19 05:24:16,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:16,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417111947] [2023-11-19 05:24:16,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:16,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:17,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:17,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417111947] [2023-11-19 05:24:17,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417111947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:17,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:17,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-19 05:24:17,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224123182] [2023-11-19 05:24:17,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:17,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 05:24:17,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:17,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 05:24:17,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-19 05:24:17,181 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:17,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:17,448 INFO L93 Difference]: Finished difference Result 127 states and 136 transitions. [2023-11-19 05:24:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 05:24:17,449 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-19 05:24:17,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:17,450 INFO L225 Difference]: With dead ends: 127 [2023-11-19 05:24:17,450 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 05:24:17,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-11-19 05:24:17,451 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 12 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:17,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 568 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:17,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 05:24:17,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-11-19 05:24:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 79 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2023-11-19 05:24:17,454 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 19 [2023-11-19 05:24:17,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:17,454 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2023-11-19 05:24:17,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2023-11-19 05:24:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 05:24:17,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:17,455 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] [2023-11-19 05:24:17,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-19 05:24:17,455 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:17,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:17,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1853101226, now seen corresponding path program 1 times [2023-11-19 05:24:17,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:17,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594772538] [2023-11-19 05:24:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:17,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:17,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:17,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594772538] [2023-11-19 05:24:17,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594772538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:17,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:17,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-19 05:24:17,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070752284] [2023-11-19 05:24:17,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:17,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 05:24:17,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:17,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 05:24:17,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-19 05:24:17,896 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:18,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:18,154 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2023-11-19 05:24:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 05:24:18,155 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-19 05:24:18,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:18,156 INFO L225 Difference]: With dead ends: 123 [2023-11-19 05:24:18,156 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 05:24:18,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-11-19 05:24:18,157 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 12 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:18,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 510 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:18,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 05:24:18,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 05:24:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 79 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2023-11-19 05:24:18,160 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 20 [2023-11-19 05:24:18,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:18,160 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2023-11-19 05:24:18,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:18,160 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-11-19 05:24:18,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 05:24:18,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:18,161 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] [2023-11-19 05:24:18,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-19 05:24:18,161 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:18,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:18,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1853095268, now seen corresponding path program 1 times [2023-11-19 05:24:18,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:18,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747206826] [2023-11-19 05:24:18,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:18,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:18,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:18,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747206826] [2023-11-19 05:24:18,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747206826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:18,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:18,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:18,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083417919] [2023-11-19 05:24:18,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:18,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:18,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:18,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:18,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:18,221 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:18,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:18,281 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2023-11-19 05:24:18,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:18,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-19 05:24:18,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:18,282 INFO L225 Difference]: With dead ends: 80 [2023-11-19 05:24:18,282 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 05:24:18,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:18,284 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:18,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:18,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 05:24:18,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-19 05:24:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 78 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2023-11-19 05:24:18,287 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 20 [2023-11-19 05:24:18,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:18,288 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2023-11-19 05:24:18,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2023-11-19 05:24:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 05:24:18,289 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:18,289 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] [2023-11-19 05:24:18,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-19 05:24:18,289 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:18,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:18,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1243040830, now seen corresponding path program 1 times [2023-11-19 05:24:18,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:18,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829428000] [2023-11-19 05:24:18,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:18,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:18,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:18,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829428000] [2023-11-19 05:24:18,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829428000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:18,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:18,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-19 05:24:18,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115304250] [2023-11-19 05:24:18,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:18,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 05:24:18,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:18,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 05:24:18,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-19 05:24:18,784 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:19,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:19,046 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2023-11-19 05:24:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 05:24:19,047 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-19 05:24:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:19,047 INFO L225 Difference]: With dead ends: 79 [2023-11-19 05:24:19,047 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 05:24:19,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:24:19,048 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 18 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:19,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 443 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:19,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 05:24:19,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-19 05:24:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2023-11-19 05:24:19,051 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 20 [2023-11-19 05:24:19,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:19,052 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2023-11-19 05:24:19,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2023-11-19 05:24:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 05:24:19,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:19,052 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] [2023-11-19 05:24:19,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-19 05:24:19,053 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:19,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:19,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1948607096, now seen corresponding path program 1 times [2023-11-19 05:24:19,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:19,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213900759] [2023-11-19 05:24:19,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:19,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:19,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:19,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213900759] [2023-11-19 05:24:19,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213900759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:19,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:19,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:19,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165430533] [2023-11-19 05:24:19,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:19,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:19,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:19,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:19,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:19,123 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 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) [2023-11-19 05:24:19,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:19,210 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2023-11-19 05:24:19,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:19,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 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 [2023-11-19 05:24:19,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:19,212 INFO L225 Difference]: With dead ends: 78 [2023-11-19 05:24:19,212 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 05:24:19,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:19,217 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 2 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:19,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 171 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:19,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 05:24:19,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 05:24:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2023-11-19 05:24:19,222 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 23 [2023-11-19 05:24:19,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:19,222 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2023-11-19 05:24:19,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 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) [2023-11-19 05:24:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-19 05:24:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 05:24:19,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:19,223 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] [2023-11-19 05:24:19,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-19 05:24:19,224 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:19,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1948607288, now seen corresponding path program 1 times [2023-11-19 05:24:19,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:19,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15761035] [2023-11-19 05:24:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:19,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:19,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15761035] [2023-11-19 05:24:19,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15761035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:19,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:19,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-19 05:24:19,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204610666] [2023-11-19 05:24:19,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:19,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-19 05:24:19,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:19,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-19 05:24:19,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-11-19 05:24:19,845 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 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) [2023-11-19 05:24:20,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:20,287 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2023-11-19 05:24:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-19 05:24:20,287 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 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 [2023-11-19 05:24:20,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:20,288 INFO L225 Difference]: With dead ends: 86 [2023-11-19 05:24:20,289 INFO L226 Difference]: Without dead ends: 85 [2023-11-19 05:24:20,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2023-11-19 05:24:20,290 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 30 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:20,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 511 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:24:20,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-19 05:24:20,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2023-11-19 05:24:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 79 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2023-11-19 05:24:20,293 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 23 [2023-11-19 05:24:20,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:20,294 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2023-11-19 05:24:20,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 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) [2023-11-19 05:24:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2023-11-19 05:24:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 05:24:20,295 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:20,295 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] [2023-11-19 05:24:20,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-19 05:24:20,295 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:20,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash 221453910, now seen corresponding path program 1 times [2023-11-19 05:24:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:20,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524551134] [2023-11-19 05:24:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:20,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:20,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:20,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524551134] [2023-11-19 05:24:20,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524551134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:20,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:20,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:24:20,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620535994] [2023-11-19 05:24:20,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:20,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:24:20,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:20,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:24:20,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:20,447 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) 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) [2023-11-19 05:24:20,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:20,557 INFO L93 Difference]: Finished difference Result 115 states and 122 transitions. [2023-11-19 05:24:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:24:20,557 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) 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 [2023-11-19 05:24:20,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:20,558 INFO L225 Difference]: With dead ends: 115 [2023-11-19 05:24:20,558 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 05:24:20,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:20,559 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 3 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:20,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 278 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:20,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 05:24:20,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2023-11-19 05:24:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 64 states have (on average 1.28125) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:20,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2023-11-19 05:24:20,563 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 23 [2023-11-19 05:24:20,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:20,563 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2023-11-19 05:24:20,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) 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) [2023-11-19 05:24:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2023-11-19 05:24:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 05:24:20,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:20,564 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, 1] [2023-11-19 05:24:20,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-19 05:24:20,565 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:20,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:20,565 INFO L85 PathProgramCache]: Analyzing trace with hash 277277953, now seen corresponding path program 1 times [2023-11-19 05:24:20,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:20,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187793818] [2023-11-19 05:24:20,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:20,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:21,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:21,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187793818] [2023-11-19 05:24:21,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187793818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:21,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:21,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-19 05:24:21,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482294248] [2023-11-19 05:24:21,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:21,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-19 05:24:21,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:21,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-19 05:24:21,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-11-19 05:24:21,146 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:21,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:21,438 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2023-11-19 05:24:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-19 05:24:21,439 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-11-19 05:24:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:21,439 INFO L225 Difference]: With dead ends: 111 [2023-11-19 05:24:21,439 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 05:24:21,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2023-11-19 05:24:21,440 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 23 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:21,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 440 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:21,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 05:24:21,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-19 05:24:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 64 states have (on average 1.265625) internal successors, (81), 77 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2023-11-19 05:24:21,445 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 24 [2023-11-19 05:24:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:21,446 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2023-11-19 05:24:21,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2023-11-19 05:24:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 05:24:21,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:21,447 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, 1] [2023-11-19 05:24:21,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-19 05:24:21,448 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:21,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:21,448 INFO L85 PathProgramCache]: Analyzing trace with hash 277283911, now seen corresponding path program 1 times [2023-11-19 05:24:21,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:21,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172848302] [2023-11-19 05:24:21,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:21,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:21,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:21,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172848302] [2023-11-19 05:24:21,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172848302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:21,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:21,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:21,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982672637] [2023-11-19 05:24:21,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:21,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:21,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:21,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:21,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:21,517 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:21,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:21,581 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2023-11-19 05:24:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:21,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-11-19 05:24:21,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:21,582 INFO L225 Difference]: With dead ends: 78 [2023-11-19 05:24:21,582 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 05:24:21,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:21,583 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:21,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:21,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 05:24:21,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 05:24:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 64 states have (on average 1.25) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2023-11-19 05:24:21,586 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 24 [2023-11-19 05:24:21,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:21,587 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2023-11-19 05:24:21,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-19 05:24:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 05:24:21,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:21,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:21,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-19 05:24:21,588 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:21,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:21,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1724869213, now seen corresponding path program 1 times [2023-11-19 05:24:21,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:21,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117959258] [2023-11-19 05:24:21,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:21,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:22,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117959258] [2023-11-19 05:24:22,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117959258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:22,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:22,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-19 05:24:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531292715] [2023-11-19 05:24:22,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:22,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-19 05:24:22,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:22,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-19 05:24:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-11-19 05:24:22,215 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:22,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:22,596 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2023-11-19 05:24:22,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-19 05:24:22,597 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-11-19 05:24:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:22,597 INFO L225 Difference]: With dead ends: 77 [2023-11-19 05:24:22,597 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 05:24:22,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2023-11-19 05:24:22,599 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 24 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:22,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 485 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:24:22,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 05:24:22,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-19 05:24:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.234375) internal successors, (79), 75 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2023-11-19 05:24:22,602 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 24 [2023-11-19 05:24:22,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:22,603 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2023-11-19 05:24:22,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2023-11-19 05:24:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 05:24:22,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:22,604 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, 1, 1, 1, 1] [2023-11-19 05:24:22,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-19 05:24:22,604 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:22,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:22,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1343010588, now seen corresponding path program 1 times [2023-11-19 05:24:22,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:22,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937905774] [2023-11-19 05:24:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:22,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:22,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937905774] [2023-11-19 05:24:22,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937905774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:22,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:22,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:22,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305173127] [2023-11-19 05:24:22,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:22,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:22,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:22,669 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:22,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:22,737 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2023-11-19 05:24:22,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:22,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-11-19 05:24:22,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:22,738 INFO L225 Difference]: With dead ends: 76 [2023-11-19 05:24:22,739 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 05:24:22,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:22,740 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:22,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 159 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 05:24:22,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-19 05:24:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 64 states have (on average 1.21875) internal successors, (78), 74 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2023-11-19 05:24:22,744 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 27 [2023-11-19 05:24:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:22,745 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2023-11-19 05:24:22,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2023-11-19 05:24:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 05:24:22,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:22,746 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, 1, 1, 1, 1] [2023-11-19 05:24:22,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-19 05:24:22,746 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:22,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:22,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1343010780, now seen corresponding path program 1 times [2023-11-19 05:24:22,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:22,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431679916] [2023-11-19 05:24:22,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:22,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:23,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:23,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431679916] [2023-11-19 05:24:23,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431679916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:23,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:23,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-11-19 05:24:23,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019369378] [2023-11-19 05:24:23,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:23,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-19 05:24:23,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:23,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-19 05:24:23,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2023-11-19 05:24:23,481 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:23,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:23,880 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2023-11-19 05:24:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-19 05:24:23,880 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-11-19 05:24:23,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:23,881 INFO L225 Difference]: With dead ends: 84 [2023-11-19 05:24:23,881 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 05:24:23,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2023-11-19 05:24:23,882 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 47 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:23,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 371 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:24:23,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 05:24:23,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2023-11-19 05:24:23,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2023-11-19 05:24:23,885 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 27 [2023-11-19 05:24:23,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:23,885 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2023-11-19 05:24:23,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2023-11-19 05:24:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 05:24:23,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:23,886 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, 1, 1, 1, 1] [2023-11-19 05:24:23,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-19 05:24:23,886 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:23,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:23,887 INFO L85 PathProgramCache]: Analyzing trace with hash -589866752, now seen corresponding path program 1 times [2023-11-19 05:24:23,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:23,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286290331] [2023-11-19 05:24:23,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:23,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:24,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:24,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286290331] [2023-11-19 05:24:24,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286290331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:24,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:24,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:24:24,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187111520] [2023-11-19 05:24:24,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:24,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:24:24,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:24,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:24:24,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:24,031 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:24,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:24,161 INFO L93 Difference]: Finished difference Result 103 states and 108 transitions. [2023-11-19 05:24:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:24:24,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-11-19 05:24:24,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:24,162 INFO L225 Difference]: With dead ends: 103 [2023-11-19 05:24:24,162 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 05:24:24,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:24,163 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 3 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:24,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 285 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:24,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 05:24:24,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2023-11-19 05:24:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 66 states have (on average 1.196969696969697) internal successors, (79), 75 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2023-11-19 05:24:24,166 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 27 [2023-11-19 05:24:24,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:24,166 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2023-11-19 05:24:24,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2023-11-19 05:24:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 05:24:24,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:24,167 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, 1, 1, 1, 1, 1] [2023-11-19 05:24:24,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-19 05:24:24,167 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:24,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:24,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1316344596, now seen corresponding path program 1 times [2023-11-19 05:24:24,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:24,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666691131] [2023-11-19 05:24:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:24,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:24,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:24,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666691131] [2023-11-19 05:24:24,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666691131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:24,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:24,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-19 05:24:24,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749353884] [2023-11-19 05:24:24,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:24,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-19 05:24:24,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:24,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-19 05:24:24,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:24:24,833 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:25,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:25,324 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2023-11-19 05:24:25,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-19 05:24:25,325 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-11-19 05:24:25,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:25,325 INFO L225 Difference]: With dead ends: 89 [2023-11-19 05:24:25,325 INFO L226 Difference]: Without dead ends: 88 [2023-11-19 05:24:25,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2023-11-19 05:24:25,326 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 29 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:25,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 472 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:24:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-19 05:24:25,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 78. [2023-11-19 05:24:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 77 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:25,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2023-11-19 05:24:25,329 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 28 [2023-11-19 05:24:25,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:25,330 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2023-11-19 05:24:25,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:25,330 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2023-11-19 05:24:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 05:24:25,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:25,330 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, 1, 1, 1, 1, 1] [2023-11-19 05:24:25,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-19 05:24:25,331 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:25,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:25,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1316338638, now seen corresponding path program 1 times [2023-11-19 05:24:25,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:25,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191638371] [2023-11-19 05:24:25,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:25,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:25,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:25,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191638371] [2023-11-19 05:24:25,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191638371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:25,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:25,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:25,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738442519] [2023-11-19 05:24:25,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:25,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:25,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:25,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:25,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:25,395 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:25,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:25,461 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2023-11-19 05:24:25,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:25,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-11-19 05:24:25,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:25,463 INFO L225 Difference]: With dead ends: 78 [2023-11-19 05:24:25,463 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 05:24:25,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:25,464 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:25,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 05:24:25,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 05:24:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2023-11-19 05:24:25,469 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 28 [2023-11-19 05:24:25,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:25,469 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2023-11-19 05:24:25,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-19 05:24:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 05:24:25,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:25,470 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, 1, 1, 1, 1, 1] [2023-11-19 05:24:25,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-19 05:24:25,470 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:25,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:25,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1106005944, now seen corresponding path program 1 times [2023-11-19 05:24:25,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:25,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141180818] [2023-11-19 05:24:25,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:25,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:26,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:26,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141180818] [2023-11-19 05:24:26,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141180818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:26,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:26,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-19 05:24:26,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262646346] [2023-11-19 05:24:26,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:26,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-19 05:24:26,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:26,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-19 05:24:26,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:24:26,137 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:26,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:26,591 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2023-11-19 05:24:26,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-19 05:24:26,592 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-11-19 05:24:26,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:26,593 INFO L225 Difference]: With dead ends: 77 [2023-11-19 05:24:26,593 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 05:24:26,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2023-11-19 05:24:26,594 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 32 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:26,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 501 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:24:26,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 05:24:26,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2023-11-19 05:24:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 73 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2023-11-19 05:24:26,601 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 28 [2023-11-19 05:24:26,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:26,601 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2023-11-19 05:24:26,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-19 05:24:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 05:24:26,603 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:26,603 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:26,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-19 05:24:26,603 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:26,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:26,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2124663430, now seen corresponding path program 1 times [2023-11-19 05:24:26,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:26,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332769395] [2023-11-19 05:24:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:26,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:26,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:26,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332769395] [2023-11-19 05:24:26,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332769395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:26,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:26,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:26,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728766038] [2023-11-19 05:24:26,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:26,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:26,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:26,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:26,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:26,687 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:26,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:26,749 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2023-11-19 05:24:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:26,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-11-19 05:24:26,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:26,750 INFO L225 Difference]: With dead ends: 74 [2023-11-19 05:24:26,751 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 05:24:26,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:26,752 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 2 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:26,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 147 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:26,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 05:24:26,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 05:24:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 72 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2023-11-19 05:24:26,755 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 31 [2023-11-19 05:24:26,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:26,756 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2023-11-19 05:24:26,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-11-19 05:24:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 05:24:26,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:26,757 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:26,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-19 05:24:26,758 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:26,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:26,758 INFO L85 PathProgramCache]: Analyzing trace with hash 2124663622, now seen corresponding path program 1 times [2023-11-19 05:24:26,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:26,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834054158] [2023-11-19 05:24:26,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:27,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:27,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834054158] [2023-11-19 05:24:27,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834054158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:27,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:27,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 05:24:27,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282321499] [2023-11-19 05:24:27,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:27,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 05:24:27,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:27,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 05:24:27,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:24:27,006 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:27,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:27,115 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2023-11-19 05:24:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:24:27,116 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-11-19 05:24:27,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:27,117 INFO L225 Difference]: With dead ends: 94 [2023-11-19 05:24:27,117 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 05:24:27,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:24:27,118 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 6 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:27,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 215 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:27,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 05:24:27,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 05:24:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 72 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2023-11-19 05:24:27,121 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 31 [2023-11-19 05:24:27,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:27,121 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2023-11-19 05:24:27,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2023-11-19 05:24:27,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 05:24:27,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:27,122 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:27,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-19 05:24:27,124 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:27,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:27,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1992808896, now seen corresponding path program 1 times [2023-11-19 05:24:27,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:27,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150982830] [2023-11-19 05:24:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:27,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:27,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:27,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150982830] [2023-11-19 05:24:27,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150982830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:27,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:27,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-11-19 05:24:27,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132327269] [2023-11-19 05:24:27,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:27,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-19 05:24:27,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:27,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-19 05:24:27,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2023-11-19 05:24:27,986 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:28,499 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2023-11-19 05:24:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-19 05:24:28,500 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-11-19 05:24:28,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:28,500 INFO L225 Difference]: With dead ends: 82 [2023-11-19 05:24:28,500 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 05:24:28,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=893, Unknown=0, NotChecked=0, Total=1056 [2023-11-19 05:24:28,502 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 46 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:28,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 371 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:24:28,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 05:24:28,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 76. [2023-11-19 05:24:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.144927536231884) internal successors, (79), 75 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2023-11-19 05:24:28,504 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 31 [2023-11-19 05:24:28,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:28,505 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2023-11-19 05:24:28,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2023-11-19 05:24:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 05:24:28,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:28,506 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:28,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-19 05:24:28,506 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:28,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:28,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1966160490, now seen corresponding path program 1 times [2023-11-19 05:24:28,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:28,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786651188] [2023-11-19 05:24:28,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:28,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:28,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:28,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786651188] [2023-11-19 05:24:28,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786651188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:28,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:28,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:24:28,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644847448] [2023-11-19 05:24:28,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:28,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:24:28,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:28,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:24:28,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:24:28,634 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:28,730 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions. [2023-11-19 05:24:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:24:28,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-11-19 05:24:28,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:28,731 INFO L225 Difference]: With dead ends: 91 [2023-11-19 05:24:28,731 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 05:24:28,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:24:28,732 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 4 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:28,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 237 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:28,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 05:24:28,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2023-11-19 05:24:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.1176470588235294) internal successors, (76), 73 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:28,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2023-11-19 05:24:28,736 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 31 [2023-11-19 05:24:28,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:28,737 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2023-11-19 05:24:28,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2023-11-19 05:24:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 05:24:28,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:28,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:28,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-19 05:24:28,738 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:28,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:28,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1647539433, now seen corresponding path program 1 times [2023-11-19 05:24:28,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:28,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201851200] [2023-11-19 05:24:28,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:28,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:29,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:29,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201851200] [2023-11-19 05:24:29,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201851200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:29,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:29,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-11-19 05:24:29,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226904544] [2023-11-19 05:24:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:29,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-19 05:24:29,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-19 05:24:29,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2023-11-19 05:24:29,556 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:29,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:29,973 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2023-11-19 05:24:29,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 05:24:29,973 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-19 05:24:29,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:29,974 INFO L225 Difference]: With dead ends: 87 [2023-11-19 05:24:29,974 INFO L226 Difference]: Without dead ends: 74 [2023-11-19 05:24:29,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=794, Unknown=0, NotChecked=0, Total=930 [2023-11-19 05:24:29,975 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 30 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:29,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 403 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:24:29,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-19 05:24:29,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-19 05:24:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.1029411764705883) internal successors, (75), 73 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2023-11-19 05:24:29,978 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 32 [2023-11-19 05:24:29,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:29,978 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2023-11-19 05:24:29,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2023-11-19 05:24:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 05:24:29,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:29,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:29,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-19 05:24:29,979 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:29,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:29,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1647533475, now seen corresponding path program 1 times [2023-11-19 05:24:29,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:29,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257052567] [2023-11-19 05:24:29,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:30,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:30,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257052567] [2023-11-19 05:24:30,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257052567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:30,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:30,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:30,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852711960] [2023-11-19 05:24:30,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:30,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:30,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:30,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:30,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:30,046 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:30,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:30,109 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2023-11-19 05:24:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:30,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-19 05:24:30,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:30,110 INFO L225 Difference]: With dead ends: 74 [2023-11-19 05:24:30,110 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 05:24:30,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:30,111 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:30,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:30,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 05:24:30,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 05:24:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 68 states have (on average 1.088235294117647) internal successors, (74), 72 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2023-11-19 05:24:30,114 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 32 [2023-11-19 05:24:30,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:30,114 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2023-11-19 05:24:30,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2023-11-19 05:24:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 05:24:30,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:30,115 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:30,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-19 05:24:30,116 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:30,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:30,116 INFO L85 PathProgramCache]: Analyzing trace with hash 821427245, now seen corresponding path program 1 times [2023-11-19 05:24:30,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:30,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266159050] [2023-11-19 05:24:30,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:30,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:24:30,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:24:30,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266159050] [2023-11-19 05:24:30,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266159050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:30,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:30,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-11-19 05:24:30,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076320462] [2023-11-19 05:24:30,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:30,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-19 05:24:30,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:24:30,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-19 05:24:30,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2023-11-19 05:24:30,974 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:31,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:31,472 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2023-11-19 05:24:31,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 05:24:31,473 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-19 05:24:31,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:31,473 INFO L225 Difference]: With dead ends: 73 [2023-11-19 05:24:31,474 INFO L226 Difference]: Without dead ends: 72 [2023-11-19 05:24:31,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=895, Unknown=0, NotChecked=0, Total=1056 [2023-11-19 05:24:31,475 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 46 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:31,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 414 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:24:31,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-19 05:24:31,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-19 05:24:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 71 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2023-11-19 05:24:31,477 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 32 [2023-11-19 05:24:31,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:31,478 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2023-11-19 05:24:31,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:24:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2023-11-19 05:24:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 05:24:31,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:31,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:31,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-19 05:24:31,480 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-11-19 05:24:31,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:31,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1216698857, now seen corresponding path program 1 times [2023-11-19 05:24:31,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:31,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066971198] [2023-11-19 05:24:31,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:31,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:31,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:24:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:31,590 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:24:31,590 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:24:31,591 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 36 remaining) [2023-11-19 05:24:31,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 36 remaining) [2023-11-19 05:24:31,593 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 36 remaining) [2023-11-19 05:24:31,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 36 remaining) [2023-11-19 05:24:31,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 36 remaining) [2023-11-19 05:24:31,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 36 remaining) [2023-11-19 05:24:31,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 36 remaining) [2023-11-19 05:24:31,594 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 36 remaining) [2023-11-19 05:24:31,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 36 remaining) [2023-11-19 05:24:31,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 36 remaining) [2023-11-19 05:24:31,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 36 remaining) [2023-11-19 05:24:31,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 36 remaining) [2023-11-19 05:24:31,595 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 36 remaining) [2023-11-19 05:24:31,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 36 remaining) [2023-11-19 05:24:31,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 36 remaining) [2023-11-19 05:24:31,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 36 remaining) [2023-11-19 05:24:31,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 36 remaining) [2023-11-19 05:24:31,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 36 remaining) [2023-11-19 05:24:31,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 36 remaining) [2023-11-19 05:24:31,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 36 remaining) [2023-11-19 05:24:31,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 36 remaining) [2023-11-19 05:24:31,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 36 remaining) [2023-11-19 05:24:31,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 36 remaining) [2023-11-19 05:24:31,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 36 remaining) [2023-11-19 05:24:31,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 36 remaining) [2023-11-19 05:24:31,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 36 remaining) [2023-11-19 05:24:31,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 36 remaining) [2023-11-19 05:24:31,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 36 remaining) [2023-11-19 05:24:31,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 36 remaining) [2023-11-19 05:24:31,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 36 remaining) [2023-11-19 05:24:31,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 36 remaining) [2023-11-19 05:24:31,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 36 remaining) [2023-11-19 05:24:31,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 36 remaining) [2023-11-19 05:24:31,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 36 remaining) [2023-11-19 05:24:31,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 36 remaining) [2023-11-19 05:24:31,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 36 remaining) [2023-11-19 05:24:31,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-19 05:24:31,604 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:31,608 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:24:31,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,661 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,664 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-19 05:24:31,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,668 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,668 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,668 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,668 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-19 05:24:31,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2023-11-19 05:24:31,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 05:24:31,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,673 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,673 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,673 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 05:24:31,673 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:24:31,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,674 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 05:24:31,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:24:31,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-19 05:24:31,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:24:31,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:24:31,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:24:31,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:24:31,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:24:31,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:24:31,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:24:31 BoogieIcfgContainer [2023-11-19 05:24:31,699 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:24:31,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:24:31,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:24:31,700 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:24:31,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:07" (3/4) ... [2023-11-19 05:24:31,702 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 05:24:31,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-19 05:24:31,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-19 05:24:31,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2023-11-19 05:24:31,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 05:24:31,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 05:24:31,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:24:31,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 05:24:31,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:24:31,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:24:31,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-19 05:24:31,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:24:31,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:24:31,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:24:31,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:24:31,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:24:31,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc5 [2023-11-19 05:24:31,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc2 [2023-11-19 05:24:31,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc4 [2023-11-19 05:24:31,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc3 [2023-11-19 05:24:31,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc6 [2023-11-19 05:24:31,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:24:31,784 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:24:31,785 INFO L158 Benchmark]: Toolchain (without parser) took 25504.49ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 112.3MB in the beginning and 108.3MB in the end (delta: 4.1MB). Peak memory consumption was 171.4MB. Max. memory is 16.1GB. [2023-11-19 05:24:31,785 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:31,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.70ms. Allocated memory is still 151.0MB. Free memory was 112.3MB in the beginning and 111.2MB in the end (delta: 1.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:24:31,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 151.0MB. Free memory was 111.2MB in the beginning and 108.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:24:31,786 INFO L158 Benchmark]: Boogie Preprocessor took 30.11ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 107.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:31,786 INFO L158 Benchmark]: RCFGBuilder took 730.69ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 79.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 05:24:31,787 INFO L158 Benchmark]: TraceAbstraction took 24118.27ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 78.9MB in the beginning and 116.6MB in the end (delta: -37.7MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. [2023-11-19 05:24:31,787 INFO L158 Benchmark]: Witness Printer took 84.42ms. Allocated memory is still 318.8MB. Free memory was 116.6MB in the beginning and 108.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:24:31,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.70ms. Allocated memory is still 151.0MB. Free memory was 112.3MB in the beginning and 111.2MB in the end (delta: 1.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 151.0MB. Free memory was 111.2MB in the beginning and 108.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.11ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 107.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 730.69ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 79.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24118.27ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 78.9MB in the beginning and 116.6MB in the end (delta: -37.7MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. * Witness Printer took 84.42ms. Allocated memory is still 318.8MB. Free memory was 116.6MB in the beginning and 108.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc6 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 601]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] int* m = __builtin_alloca (sizeof(int)); [L552] int* n = __builtin_alloca (sizeof(int)); [L553] *y = __VERIFIER_nondet_int() [L554] *z = __VERIFIER_nondet_int() [L555] COND FALSE !(__VERIFIER_nondet_int()) [L558] *x = -1 [L560] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L560] COND FALSE !(*x > 0) [L563] EXPR \read(*x) [L563] (*x)-- [L565] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L565] COND FALSE !(*x > 0) [L568] EXPR \read(*x) [L568] (*x)-- [L570] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L570] COND FALSE !(*x > 0) [L573] EXPR \read(*x) [L573] (*x)-- [L575] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L575] COND FALSE !(*x > 0) [L578] EXPR \read(*x) [L578] (*x)-- [L580] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L580] COND FALSE !(*x > 0) [L583] EXPR \read(*x) [L583] (*x)-- [L585] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L585] COND FALSE !(*x > 0) [L588] EXPR \read(*x) [L588] (*x)-- [L590] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L590] COND FALSE !(*x > 0) [L593] EXPR \read(*x) [L593] (*x)-- [L595] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L595] COND FALSE !(*x > 0) [L598] EXPR \read(*x) [L598] (*x)-- [L600] EXPR \read(*y) [L600] *y < 100 && *z < 100 [L600] EXPR \read(*z) [L600] *y < 100 && *z < 100 VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L600] COND TRUE *y < 100 && *z < 100 [L601] EXPR \read(*y) [L601] EXPR \read(*x) VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] [L601] *y + *x VAL [m={2:0}, n={5:0}, x={7:0}, y={3:0}, z={6:0}] - UnprovableResult [Line: 561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 591]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 591]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 601]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 602]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 602]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 92 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 24.0s, OverallIterations: 48, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 537 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 537 mSDsluCounter, 15325 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12158 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10445 IncrementalHoareTripleChecker+Invalid, 10490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 3167 mSDtfsCounter, 10445 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 507 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 483 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1382 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 475, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 47 MinimizatonAttempts, 70 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 899 NumberOfCodeBlocks, 899 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 817 ConstructedInterpolants, 0 QuantifiedInterpolants, 3692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-19 05:24:31,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14fe035-7459-4e45-adbe-264a62063a4b/bin/utaipan-verify-t7M7D8N6sZ/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)