./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2172e48d59a79636c380f4fc82a3f737aa7d3f80daa2bd10bb2cc27a12a3e78 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:23:43,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:23:43,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:23:43,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:23:43,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:23:43,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:23:43,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:23:43,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:23:43,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:23:43,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:23:43,494 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:23:43,495 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:23:43,495 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:23:43,496 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:23:43,496 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:23:43,496 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:23:43,497 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:23:43,502 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:23:43,503 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:23:43,503 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:23:43,503 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:23:43,504 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:23:43,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:23:43,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:23:43,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:23:43,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:23:43,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:23:43,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:23:43,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:23:43,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:23:43,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:23:43,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:23:43,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:23:43,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:23:43,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:23:43,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:23:43,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:23:43,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:23:43,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:23:43,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:23:43,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:23:43,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:23:43,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:23:43,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:23:43,514 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:23:43,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:23:43,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:23:43,515 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:23:43,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:23:43,515 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_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2172e48d59a79636c380f4fc82a3f737aa7d3f80daa2bd10bb2cc27a12a3e78 [2024-11-09 05:23:43,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:23:43,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:23:43,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:23:43,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:23:43,843 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:23:43,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c Unable to find full path for "g++" [2024-11-09 05:23:45,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:23:46,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:23:46,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c [2024-11-09 05:23:46,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/data/123da6d89/c44ea915084f4ef482c0721f1725fd72/FLAGe1d3dfa33 [2024-11-09 05:23:46,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/data/123da6d89/c44ea915084f4ef482c0721f1725fd72 [2024-11-09 05:23:46,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:23:46,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:23:46,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:23:46,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:23:46,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:23:46,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bd775c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46, skipping insertion in model container [2024-11-09 05:23:46,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:23:46,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:23:46,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:23:46,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:23:46,866 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:23:46,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46 WrapperNode [2024-11-09 05:23:46,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:23:46,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:23:46,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:23:46,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:23:46,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,966 INFO L138 Inliner]: procedures = 19, calls = 19, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 847 [2024-11-09 05:23:46,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:23:46,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:23:46,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:23:46,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:23:46,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:46,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:47,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:47,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:47,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:47,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:23:47,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:23:47,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:23:47,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:23:47,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (1/1) ... [2024-11-09 05:23:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:23:47,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:23:47,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:23:47,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:23:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:23:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:23:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-09 05:23:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-09 05:23:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:23:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:23:47,252 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:23:47,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:23:48,232 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-09 05:23:48,232 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:23:48,479 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:23:48,479 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-09 05:23:48,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:23:48 BoogieIcfgContainer [2024-11-09 05:23:48,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:23:48,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:23:48,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:23:48,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:23:48,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:23:46" (1/3) ... [2024-11-09 05:23:48,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781e3b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:23:48, skipping insertion in model container [2024-11-09 05:23:48,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:23:46" (2/3) ... [2024-11-09 05:23:48,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781e3b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:23:48, skipping insertion in model container [2024-11-09 05:23:48,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:23:48" (3/3) ... [2024-11-09 05:23:48,493 INFO L112 eAbstractionObserver]: Analyzing ICFG mem_slave_tlm.1.cil.c [2024-11-09 05:23:48,515 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:23:48,516 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-09 05:23:48,592 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:23:48,599 INFO L333 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, 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;@67f5658b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:23:48,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 05:23:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 239 states, 224 states have (on average 1.7857142857142858) internal successors, (400), 237 states have internal predecessors, (400), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:23:48,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 05:23:48,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:48,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:48,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:48,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:48,625 INFO L85 PathProgramCache]: Analyzing trace with hash 974740992, now seen corresponding path program 1 times [2024-11-09 05:23:48,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:48,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034910351] [2024-11-09 05:23:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:48,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:48,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:48,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034910351] [2024-11-09 05:23:48,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034910351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:48,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:48,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:23:48,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459709358] [2024-11-09 05:23:48,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:48,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:48,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:48,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:48,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:48,986 INFO L87 Difference]: Start difference. First operand has 239 states, 224 states have (on average 1.7857142857142858) internal successors, (400), 237 states have internal predecessors, (400), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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) [2024-11-09 05:23:49,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:49,546 INFO L93 Difference]: Finished difference Result 642 states and 1088 transitions. [2024-11-09 05:23:49,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:49,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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 [2024-11-09 05:23:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:49,567 INFO L225 Difference]: With dead ends: 642 [2024-11-09 05:23:49,567 INFO L226 Difference]: Without dead ends: 389 [2024-11-09 05:23:49,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:49,578 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 221 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:49,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 579 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 05:23:49,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-09 05:23:49,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 381. [2024-11-09 05:23:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 373 states have (on average 1.522788203753351) internal successors, (568), 380 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 568 transitions. [2024-11-09 05:23:49,640 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 568 transitions. Word has length 15 [2024-11-09 05:23:49,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:49,641 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 568 transitions. [2024-11-09 05:23:49,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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) [2024-11-09 05:23:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 568 transitions. [2024-11-09 05:23:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 05:23:49,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:49,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:49,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:23:49,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:49,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:49,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1796892577, now seen corresponding path program 1 times [2024-11-09 05:23:49,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:49,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614631485] [2024-11-09 05:23:49,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:49,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:49,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:49,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614631485] [2024-11-09 05:23:49,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614631485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:49,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:49,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:23:49,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416537093] [2024-11-09 05:23:49,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:49,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:49,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:49,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:49,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:49,776 INFO L87 Difference]: Start difference. First operand 381 states and 568 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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) [2024-11-09 05:23:49,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:49,977 INFO L93 Difference]: Finished difference Result 974 states and 1460 transitions. [2024-11-09 05:23:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:49,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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 [2024-11-09 05:23:49,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:49,980 INFO L225 Difference]: With dead ends: 974 [2024-11-09 05:23:49,980 INFO L226 Difference]: Without dead ends: 603 [2024-11-09 05:23:49,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:49,985 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 195 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:49,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 787 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:23:49,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-09 05:23:50,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2024-11-09 05:23:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 593 states have (on average 1.4974704890387858) internal successors, (888), 600 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 888 transitions. [2024-11-09 05:23:50,014 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 888 transitions. Word has length 19 [2024-11-09 05:23:50,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:50,015 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 888 transitions. [2024-11-09 05:23:50,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 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) [2024-11-09 05:23:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 888 transitions. [2024-11-09 05:23:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 05:23:50,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:50,018 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-11-09 05:23:50,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:23:50,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:50,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash 63106651, now seen corresponding path program 1 times [2024-11-09 05:23:50,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:50,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010386361] [2024-11-09 05:23:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:50,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:50,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010386361] [2024-11-09 05:23:50,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010386361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:50,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:50,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:23:50,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278777391] [2024-11-09 05:23:50,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:50,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:23:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:50,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:23:50,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:23:50,180 INFO L87 Difference]: Start difference. First operand 601 states and 888 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:50,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:50,813 INFO L93 Difference]: Finished difference Result 1657 states and 2508 transitions. [2024-11-09 05:23:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:23:50,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-09 05:23:50,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:50,818 INFO L225 Difference]: With dead ends: 1657 [2024-11-09 05:23:50,819 INFO L226 Difference]: Without dead ends: 1066 [2024-11-09 05:23:50,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:23:50,823 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 928 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:50,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1086 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 05:23:50,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-11-09 05:23:50,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 920. [2024-11-09 05:23:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 912 states have (on average 1.537280701754386) internal successors, (1402), 919 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1402 transitions. [2024-11-09 05:23:50,878 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1402 transitions. Word has length 48 [2024-11-09 05:23:50,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:50,879 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1402 transitions. [2024-11-09 05:23:50,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1402 transitions. [2024-11-09 05:23:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 05:23:50,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:50,885 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-11-09 05:23:50,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:23:50,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:50,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1827915585, now seen corresponding path program 1 times [2024-11-09 05:23:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:50,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505937324] [2024-11-09 05:23:50,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:51,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:51,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:51,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505937324] [2024-11-09 05:23:51,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505937324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:51,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:51,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:23:51,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126518842] [2024-11-09 05:23:51,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:51,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:23:51,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:51,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:23:51,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:23:51,063 INFO L87 Difference]: Start difference. First operand 920 states and 1402 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:51,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:51,495 INFO L93 Difference]: Finished difference Result 2311 states and 3529 transitions. [2024-11-09 05:23:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:23:51,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-09 05:23:51,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:51,502 INFO L225 Difference]: With dead ends: 2311 [2024-11-09 05:23:51,502 INFO L226 Difference]: Without dead ends: 1401 [2024-11-09 05:23:51,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:23:51,507 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 352 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:51,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1122 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:23:51,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2024-11-09 05:23:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1286. [2024-11-09 05:23:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 1278 states have (on average 1.5391236306729263) internal successors, (1967), 1285 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1967 transitions. [2024-11-09 05:23:51,585 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1967 transitions. Word has length 51 [2024-11-09 05:23:51,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:51,586 INFO L471 AbstractCegarLoop]: Abstraction has 1286 states and 1967 transitions. [2024-11-09 05:23:51,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1967 transitions. [2024-11-09 05:23:51,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:23:51,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:51,591 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-11-09 05:23:51,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:23:51,591 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:51,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash -186038092, now seen corresponding path program 1 times [2024-11-09 05:23:51,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:51,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386838518] [2024-11-09 05:23:51,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:51,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:23:51,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:51,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386838518] [2024-11-09 05:23:51,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386838518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:51,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:51,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:23:51,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326765619] [2024-11-09 05:23:51,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:51,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:23:51,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:51,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:23:51,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:23:51,704 INFO L87 Difference]: Start difference. First operand 1286 states and 1967 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:52,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:52,232 INFO L93 Difference]: Finished difference Result 4049 states and 6081 transitions. [2024-11-09 05:23:52,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:23:52,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-09 05:23:52,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:52,243 INFO L225 Difference]: With dead ends: 4049 [2024-11-09 05:23:52,243 INFO L226 Difference]: Without dead ends: 2771 [2024-11-09 05:23:52,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:23:52,247 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 549 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:52,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 798 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:23:52,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2771 states. [2024-11-09 05:23:52,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2771 to 2468. [2024-11-09 05:23:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2468 states, 2460 states have (on average 1.5089430894308944) internal successors, (3712), 2467 states have internal predecessors, (3712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3712 transitions. [2024-11-09 05:23:52,333 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3712 transitions. Word has length 63 [2024-11-09 05:23:52,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:52,335 INFO L471 AbstractCegarLoop]: Abstraction has 2468 states and 3712 transitions. [2024-11-09 05:23:52,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3712 transitions. [2024-11-09 05:23:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:23:52,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:52,337 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-11-09 05:23:52,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:23:52,338 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:52,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:52,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1092198046, now seen corresponding path program 1 times [2024-11-09 05:23:52,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:52,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95165731] [2024-11-09 05:23:52,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:52,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:52,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:52,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95165731] [2024-11-09 05:23:52,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95165731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:52,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:52,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:23:52,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493545733] [2024-11-09 05:23:52,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:52,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:23:52,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:52,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:23:52,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:23:52,475 INFO L87 Difference]: Start difference. First operand 2468 states and 3712 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:53,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:53,020 INFO L93 Difference]: Finished difference Result 5448 states and 8252 transitions. [2024-11-09 05:23:53,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:23:53,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-09 05:23:53,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:53,030 INFO L225 Difference]: With dead ends: 5448 [2024-11-09 05:23:53,031 INFO L226 Difference]: Without dead ends: 2774 [2024-11-09 05:23:53,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:23:53,036 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 552 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:53,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 789 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:23:53,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2024-11-09 05:23:53,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2469. [2024-11-09 05:23:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2469 states, 2461 states have (on average 1.5160503860219423) internal successors, (3731), 2468 states have internal predecessors, (3731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 3731 transitions. [2024-11-09 05:23:53,141 INFO L78 Accepts]: Start accepts. Automaton has 2469 states and 3731 transitions. Word has length 63 [2024-11-09 05:23:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:53,142 INFO L471 AbstractCegarLoop]: Abstraction has 2469 states and 3731 transitions. [2024-11-09 05:23:53,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 3731 transitions. [2024-11-09 05:23:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:23:53,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:53,146 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:53,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:23:53,147 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:53,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:53,148 INFO L85 PathProgramCache]: Analyzing trace with hash 176696642, now seen corresponding path program 1 times [2024-11-09 05:23:53,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:53,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414690662] [2024-11-09 05:23:53,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:53,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:53,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:53,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:53,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414690662] [2024-11-09 05:23:53,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414690662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:53,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:53,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:23:53,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874790961] [2024-11-09 05:23:53,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:53,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:53,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:53,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:53,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:53,229 INFO L87 Difference]: Start difference. First operand 2469 states and 3731 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:53,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:53,446 INFO L93 Difference]: Finished difference Result 5654 states and 8644 transitions. [2024-11-09 05:23:53,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:53,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-09 05:23:53,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:53,458 INFO L225 Difference]: With dead ends: 5654 [2024-11-09 05:23:53,458 INFO L226 Difference]: Without dead ends: 3195 [2024-11-09 05:23:53,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:53,462 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 292 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:53,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 507 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:23:53,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2024-11-09 05:23:53,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 2881. [2024-11-09 05:23:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 2873 states have (on average 1.5391576749042812) internal successors, (4422), 2880 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4422 transitions. [2024-11-09 05:23:53,662 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4422 transitions. Word has length 63 [2024-11-09 05:23:53,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:53,663 INFO L471 AbstractCegarLoop]: Abstraction has 2881 states and 4422 transitions. [2024-11-09 05:23:53,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:53,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4422 transitions. [2024-11-09 05:23:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 05:23:53,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:53,668 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:53,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:23:53,669 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:53,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:53,670 INFO L85 PathProgramCache]: Analyzing trace with hash -961585117, now seen corresponding path program 1 times [2024-11-09 05:23:53,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:53,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588652319] [2024-11-09 05:23:53,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:53,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:53,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:53,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588652319] [2024-11-09 05:23:53,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588652319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:53,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:53,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:23:53,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389690903] [2024-11-09 05:23:53,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:53,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:53,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:53,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:53,751 INFO L87 Difference]: Start difference. First operand 2881 states and 4422 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 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) [2024-11-09 05:23:54,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:54,014 INFO L93 Difference]: Finished difference Result 6310 states and 9674 transitions. [2024-11-09 05:23:54,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:54,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 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) Word has length 78 [2024-11-09 05:23:54,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:54,027 INFO L225 Difference]: With dead ends: 6310 [2024-11-09 05:23:54,028 INFO L226 Difference]: Without dead ends: 3447 [2024-11-09 05:23:54,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:54,034 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 162 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:54,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 615 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:23:54,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2024-11-09 05:23:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3164. [2024-11-09 05:23:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3164 states, 3156 states have (on average 1.5348542458808618) internal successors, (4844), 3163 states have internal predecessors, (4844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4844 transitions. [2024-11-09 05:23:54,168 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4844 transitions. Word has length 78 [2024-11-09 05:23:54,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:54,168 INFO L471 AbstractCegarLoop]: Abstraction has 3164 states and 4844 transitions. [2024-11-09 05:23:54,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 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) [2024-11-09 05:23:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4844 transitions. [2024-11-09 05:23:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 05:23:54,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:54,176 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 05:23:54,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:23:54,176 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:54,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:54,177 INFO L85 PathProgramCache]: Analyzing trace with hash -959900202, now seen corresponding path program 1 times [2024-11-09 05:23:54,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:54,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576876111] [2024-11-09 05:23:54,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:54,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:54,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:54,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576876111] [2024-11-09 05:23:54,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576876111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:54,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:54,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:23:54,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836701635] [2024-11-09 05:23:54,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:54,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:54,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:54,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:54,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:54,287 INFO L87 Difference]: Start difference. First operand 3164 states and 4844 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2024-11-09 05:23:54,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:54,726 INFO L93 Difference]: Finished difference Result 7467 states and 11425 transitions. [2024-11-09 05:23:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:54,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) Word has length 88 [2024-11-09 05:23:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:54,747 INFO L225 Difference]: With dead ends: 7467 [2024-11-09 05:23:54,748 INFO L226 Difference]: Without dead ends: 4384 [2024-11-09 05:23:54,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:54,753 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 208 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:54,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 588 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:23:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4384 states. [2024-11-09 05:23:54,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4384 to 3406. [2024-11-09 05:23:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3406 states, 3398 states have (on average 1.468510888758093) internal successors, (4990), 3405 states have internal predecessors, (4990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 3406 states and 4990 transitions. [2024-11-09 05:23:54,897 INFO L78 Accepts]: Start accepts. Automaton has 3406 states and 4990 transitions. Word has length 88 [2024-11-09 05:23:54,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:54,898 INFO L471 AbstractCegarLoop]: Abstraction has 3406 states and 4990 transitions. [2024-11-09 05:23:54,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2024-11-09 05:23:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3406 states and 4990 transitions. [2024-11-09 05:23:54,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 05:23:54,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:54,904 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:54,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:23:54,904 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:54,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:54,905 INFO L85 PathProgramCache]: Analyzing trace with hash 615203476, now seen corresponding path program 1 times [2024-11-09 05:23:54,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:54,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142265183] [2024-11-09 05:23:54,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:54,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:23:55,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:55,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142265183] [2024-11-09 05:23:55,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142265183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:55,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:55,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:23:55,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394387544] [2024-11-09 05:23:55,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:55,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:23:55,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:55,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:23:55,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:23:55,014 INFO L87 Difference]: Start difference. First operand 3406 states and 4990 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 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) [2024-11-09 05:23:55,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:55,493 INFO L93 Difference]: Finished difference Result 7015 states and 10275 transitions. [2024-11-09 05:23:55,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:23:55,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 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) Word has length 95 [2024-11-09 05:23:55,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:55,506 INFO L225 Difference]: With dead ends: 7015 [2024-11-09 05:23:55,506 INFO L226 Difference]: Without dead ends: 3735 [2024-11-09 05:23:55,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:23:55,511 INFO L432 NwaCegarLoop]: 400 mSDtfsCounter, 474 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:55,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 926 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:23:55,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3735 states. [2024-11-09 05:23:55,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3735 to 3617. [2024-11-09 05:23:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3617 states, 3609 states have (on average 1.4630091438071489) internal successors, (5280), 3616 states have internal predecessors, (5280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 5280 transitions. [2024-11-09 05:23:55,640 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 5280 transitions. Word has length 95 [2024-11-09 05:23:55,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:55,640 INFO L471 AbstractCegarLoop]: Abstraction has 3617 states and 5280 transitions. [2024-11-09 05:23:55,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 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) [2024-11-09 05:23:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5280 transitions. [2024-11-09 05:23:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 05:23:55,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:55,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 05:23:55,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:23:55,643 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:55,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:55,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1335198882, now seen corresponding path program 1 times [2024-11-09 05:23:55,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:55,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819686184] [2024-11-09 05:23:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:55,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:55,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819686184] [2024-11-09 05:23:55,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819686184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:55,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:55,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:23:55,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084708168] [2024-11-09 05:23:55,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:55,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:55,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:55,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:55,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:55,716 INFO L87 Difference]: Start difference. First operand 3617 states and 5280 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 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) [2024-11-09 05:23:55,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:55,911 INFO L93 Difference]: Finished difference Result 7143 states and 10448 transitions. [2024-11-09 05:23:55,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:55,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 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) Word has length 96 [2024-11-09 05:23:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:55,930 INFO L225 Difference]: With dead ends: 7143 [2024-11-09 05:23:55,931 INFO L226 Difference]: Without dead ends: 3617 [2024-11-09 05:23:55,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:55,936 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 277 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:55,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 326 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:23:55,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3617 states. [2024-11-09 05:23:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3617 to 3617. [2024-11-09 05:23:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3617 states, 3609 states have (on average 1.4505403158769743) internal successors, (5235), 3616 states have internal predecessors, (5235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 5235 transitions. [2024-11-09 05:23:56,092 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 5235 transitions. Word has length 96 [2024-11-09 05:23:56,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:56,092 INFO L471 AbstractCegarLoop]: Abstraction has 3617 states and 5235 transitions. [2024-11-09 05:23:56,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 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) [2024-11-09 05:23:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5235 transitions. [2024-11-09 05:23:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 05:23:56,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:56,094 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:23:56,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:23:56,095 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:56,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:56,095 INFO L85 PathProgramCache]: Analyzing trace with hash 988293382, now seen corresponding path program 1 times [2024-11-09 05:23:56,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:56,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221846665] [2024-11-09 05:23:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:56,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:23:56,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:56,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221846665] [2024-11-09 05:23:56,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221846665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:56,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:56,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:23:56,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25549301] [2024-11-09 05:23:56,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:56,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:23:56,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:56,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:23:56,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:23:56,177 INFO L87 Difference]: Start difference. First operand 3617 states and 5235 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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) [2024-11-09 05:23:56,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:56,761 INFO L93 Difference]: Finished difference Result 8692 states and 12599 transitions. [2024-11-09 05:23:56,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:23:56,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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) Word has length 98 [2024-11-09 05:23:56,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:56,783 INFO L225 Difference]: With dead ends: 8692 [2024-11-09 05:23:56,785 INFO L226 Difference]: Without dead ends: 5085 [2024-11-09 05:23:56,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:23:56,791 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 339 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:56,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 950 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:23:56,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5085 states. [2024-11-09 05:23:56,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5085 to 4249. [2024-11-09 05:23:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4249 states, 4241 states have (on average 1.441641122376798) internal successors, (6114), 4248 states have internal predecessors, (6114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 4249 states and 6114 transitions. [2024-11-09 05:23:56,960 INFO L78 Accepts]: Start accepts. Automaton has 4249 states and 6114 transitions. Word has length 98 [2024-11-09 05:23:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:56,960 INFO L471 AbstractCegarLoop]: Abstraction has 4249 states and 6114 transitions. [2024-11-09 05:23:56,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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) [2024-11-09 05:23:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 4249 states and 6114 transitions. [2024-11-09 05:23:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 05:23:56,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:56,964 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 05:23:56,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:23:56,964 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:56,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:56,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1887486767, now seen corresponding path program 1 times [2024-11-09 05:23:56,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:56,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900922269] [2024-11-09 05:23:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:56,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:57,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900922269] [2024-11-09 05:23:57,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900922269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:57,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:57,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:23:57,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108645127] [2024-11-09 05:23:57,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:57,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:23:57,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:57,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:23:57,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:23:57,109 INFO L87 Difference]: Start difference. First operand 4249 states and 6114 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:57,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:57,681 INFO L93 Difference]: Finished difference Result 12164 states and 17556 transitions. [2024-11-09 05:23:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:23:57,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-09 05:23:57,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:57,701 INFO L225 Difference]: With dead ends: 12164 [2024-11-09 05:23:57,702 INFO L226 Difference]: Without dead ends: 8018 [2024-11-09 05:23:57,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:23:57,709 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 507 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:57,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 1930 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:23:57,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8018 states. [2024-11-09 05:23:58,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8018 to 7352. [2024-11-09 05:23:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7352 states, 7344 states have (on average 1.4552015250544663) internal successors, (10687), 7351 states have internal predecessors, (10687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7352 states to 7352 states and 10687 transitions. [2024-11-09 05:23:58,047 INFO L78 Accepts]: Start accepts. Automaton has 7352 states and 10687 transitions. Word has length 105 [2024-11-09 05:23:58,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:58,048 INFO L471 AbstractCegarLoop]: Abstraction has 7352 states and 10687 transitions. [2024-11-09 05:23:58,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:58,048 INFO L276 IsEmpty]: Start isEmpty. Operand 7352 states and 10687 transitions. [2024-11-09 05:23:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 05:23:58,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:58,050 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 05:23:58,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 05:23:58,052 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:58,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:58,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2058328364, now seen corresponding path program 1 times [2024-11-09 05:23:58,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:58,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600610573] [2024-11-09 05:23:58,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:58,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:23:58,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:58,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600610573] [2024-11-09 05:23:58,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600610573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:58,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:23:58,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:23:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21249538] [2024-11-09 05:23:58,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:58,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:58,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:58,116 INFO L87 Difference]: Start difference. First operand 7352 states and 10687 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:58,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:58,543 INFO L93 Difference]: Finished difference Result 14609 states and 21254 transitions. [2024-11-09 05:23:58,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:58,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-09 05:23:58,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:58,566 INFO L225 Difference]: With dead ends: 14609 [2024-11-09 05:23:58,566 INFO L226 Difference]: Without dead ends: 7360 [2024-11-09 05:23:58,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:23:58,576 INFO L432 NwaCegarLoop]: 372 mSDtfsCounter, 311 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:58,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 643 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:23:58,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7360 states. [2024-11-09 05:23:58,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7360 to 7352. [2024-11-09 05:23:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7352 states, 7344 states have (on average 1.4212962962962963) internal successors, (10438), 7351 states have internal predecessors, (10438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7352 states to 7352 states and 10438 transitions. [2024-11-09 05:23:58,921 INFO L78 Accepts]: Start accepts. Automaton has 7352 states and 10438 transitions. Word has length 107 [2024-11-09 05:23:58,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:23:58,922 INFO L471 AbstractCegarLoop]: Abstraction has 7352 states and 10438 transitions. [2024-11-09 05:23:58,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 7352 states and 10438 transitions. [2024-11-09 05:23:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 05:23:58,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:23:58,924 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 05:23:58,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:23:58,925 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:23:58,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:23:58,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1341744321, now seen corresponding path program 1 times [2024-11-09 05:23:58,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:23:58,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061819117] [2024-11-09 05:23:58,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:58,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:23:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:23:59,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:23:59,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061819117] [2024-11-09 05:23:59,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061819117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:23:59,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489215590] [2024-11-09 05:23:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:23:59,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:23:59,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:23:59,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:23:59,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:23:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:23:59,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:23:59,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:23:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:23:59,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:23:59,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489215590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:23:59,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:23:59,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 05:23:59,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565428230] [2024-11-09 05:23:59,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:23:59,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:23:59,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:23:59,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:23:59,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:23:59,417 INFO L87 Difference]: Start difference. First operand 7352 states and 10438 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:23:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:23:59,872 INFO L93 Difference]: Finished difference Result 14601 states and 20756 transitions. [2024-11-09 05:23:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:23:59,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-09 05:23:59,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:23:59,893 INFO L225 Difference]: With dead ends: 14601 [2024-11-09 05:23:59,893 INFO L226 Difference]: Without dead ends: 7352 [2024-11-09 05:23:59,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:23:59,903 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 237 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:23:59,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 340 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:23:59,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7352 states. [2024-11-09 05:24:00,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7352 to 7352. [2024-11-09 05:24:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7352 states, 7344 states have (on average 1.4098583877995643) internal successors, (10354), 7351 states have internal predecessors, (10354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7352 states to 7352 states and 10354 transitions. [2024-11-09 05:24:00,237 INFO L78 Accepts]: Start accepts. Automaton has 7352 states and 10354 transitions. Word has length 107 [2024-11-09 05:24:00,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:00,238 INFO L471 AbstractCegarLoop]: Abstraction has 7352 states and 10354 transitions. [2024-11-09 05:24:00,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7352 states and 10354 transitions. [2024-11-09 05:24:00,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 05:24:00,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:00,240 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 05:24:00,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:24:00,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 05:24:00,441 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:24:00,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:00,442 INFO L85 PathProgramCache]: Analyzing trace with hash 572102461, now seen corresponding path program 1 times [2024-11-09 05:24:00,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:24:00,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303775205] [2024-11-09 05:24:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:00,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:24:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:00,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:24:00,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:24:00,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303775205] [2024-11-09 05:24:00,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303775205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:00,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:24:00,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:24:00,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510103499] [2024-11-09 05:24:00,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:00,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:24:00,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:00,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:24:00,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:24:00,581 INFO L87 Difference]: Start difference. First operand 7352 states and 10354 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:01,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:01,262 INFO L93 Difference]: Finished difference Result 14929 states and 21014 transitions. [2024-11-09 05:24:01,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:24:01,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-09 05:24:01,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:01,296 INFO L225 Difference]: With dead ends: 14929 [2024-11-09 05:24:01,296 INFO L226 Difference]: Without dead ends: 14925 [2024-11-09 05:24:01,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:24:01,302 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 586 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:01,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 982 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:24:01,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14925 states. [2024-11-09 05:24:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14925 to 13656. [2024-11-09 05:24:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13656 states, 13648 states have (on average 1.4251172332942557) internal successors, (19450), 13655 states have internal predecessors, (19450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13656 states to 13656 states and 19450 transitions. [2024-11-09 05:24:02,073 INFO L78 Accepts]: Start accepts. Automaton has 13656 states and 19450 transitions. Word has length 109 [2024-11-09 05:24:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:02,074 INFO L471 AbstractCegarLoop]: Abstraction has 13656 states and 19450 transitions. [2024-11-09 05:24:02,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 13656 states and 19450 transitions. [2024-11-09 05:24:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 05:24:02,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:02,077 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 05:24:02,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:24:02,078 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:24:02,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1041838068, now seen corresponding path program 1 times [2024-11-09 05:24:02,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:24:02,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085324242] [2024-11-09 05:24:02,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:02,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:24:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:24:02,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:24:02,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085324242] [2024-11-09 05:24:02,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085324242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:24:02,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515472071] [2024-11-09 05:24:02,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:02,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:24:02,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:24:02,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:24:02,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:24:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:02,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:24:02,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:24:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:24:02,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:24:02,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515472071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:02,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:24:02,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-09 05:24:02,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335717920] [2024-11-09 05:24:02,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:02,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:24:02,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:02,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:24:02,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:24:02,471 INFO L87 Difference]: Start difference. First operand 13656 states and 19450 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:03,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:03,272 INFO L93 Difference]: Finished difference Result 13784 states and 19622 transitions. [2024-11-09 05:24:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:24:03,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2024-11-09 05:24:03,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:03,366 INFO L225 Difference]: With dead ends: 13784 [2024-11-09 05:24:03,366 INFO L226 Difference]: Without dead ends: 13783 [2024-11-09 05:24:03,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:24:03,369 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 249 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:03,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 655 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:24:03,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13783 states. [2024-11-09 05:24:03,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13783 to 13655. [2024-11-09 05:24:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13655 states, 13648 states have (on average 1.4242379835873389) internal successors, (19438), 13654 states have internal predecessors, (19438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13655 states to 13655 states and 19438 transitions. [2024-11-09 05:24:03,924 INFO L78 Accepts]: Start accepts. Automaton has 13655 states and 19438 transitions. Word has length 113 [2024-11-09 05:24:03,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:03,925 INFO L471 AbstractCegarLoop]: Abstraction has 13655 states and 19438 transitions. [2024-11-09 05:24:03,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 13655 states and 19438 transitions. [2024-11-09 05:24:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 05:24:03,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:03,927 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 05:24:03,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:24:04,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 05:24:04,131 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:24:04,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash 2062758492, now seen corresponding path program 1 times [2024-11-09 05:24:04,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:24:04,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939181426] [2024-11-09 05:24:04,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:04,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:24:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:24:04,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:24:04,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939181426] [2024-11-09 05:24:04,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939181426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:24:04,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134634639] [2024-11-09 05:24:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:04,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:24:04,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:24:04,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:24:04,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:24:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:04,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:24:04,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:24:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:24:04,444 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:24:04,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134634639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:04,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:24:04,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-09 05:24:04,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467576963] [2024-11-09 05:24:04,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:04,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:24:04,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:04,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:24:04,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:24:04,446 INFO L87 Difference]: Start difference. First operand 13655 states and 19438 transitions. Second operand has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:04,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:04,966 INFO L93 Difference]: Finished difference Result 13783 states and 19610 transitions. [2024-11-09 05:24:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:24:04,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-11-09 05:24:04,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:04,994 INFO L225 Difference]: With dead ends: 13783 [2024-11-09 05:24:04,994 INFO L226 Difference]: Without dead ends: 13782 [2024-11-09 05:24:04,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:24:05,000 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 125 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:05,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 663 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:24:05,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13782 states. [2024-11-09 05:24:05,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13782 to 13654. [2024-11-09 05:24:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13654 states, 13648 states have (on average 1.4233587338804221) internal successors, (19426), 13653 states have internal predecessors, (19426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13654 states to 13654 states and 19426 transitions. [2024-11-09 05:24:05,603 INFO L78 Accepts]: Start accepts. Automaton has 13654 states and 19426 transitions. Word has length 114 [2024-11-09 05:24:05,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:05,604 INFO L471 AbstractCegarLoop]: Abstraction has 13654 states and 19426 transitions. [2024-11-09 05:24:05,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 13654 states and 19426 transitions. [2024-11-09 05:24:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-09 05:24:05,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:05,619 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2024-11-09 05:24:05,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:24:05,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 05:24:05,824 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:24:05,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash 787901572, now seen corresponding path program 1 times [2024-11-09 05:24:05,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:24:05,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011036928] [2024-11-09 05:24:05,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:05,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:24:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:24:05,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:24:05,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011036928] [2024-11-09 05:24:05,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011036928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:05,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:24:05,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:24:05,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750437509] [2024-11-09 05:24:05,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:05,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:24:05,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:05,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:24:05,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:24:05,952 INFO L87 Difference]: Start difference. First operand 13654 states and 19426 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:06,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:06,308 INFO L93 Difference]: Finished difference Result 16602 states and 23507 transitions. [2024-11-09 05:24:06,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:24:06,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2024-11-09 05:24:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:06,320 INFO L225 Difference]: With dead ends: 16602 [2024-11-09 05:24:06,320 INFO L226 Difference]: Without dead ends: 3051 [2024-11-09 05:24:06,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:24:06,332 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 130 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:06,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 330 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:24:06,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2024-11-09 05:24:06,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2323. [2024-11-09 05:24:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 2317 states have (on average 1.1890375485541649) internal successors, (2755), 2322 states have internal predecessors, (2755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 2755 transitions. [2024-11-09 05:24:06,520 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 2755 transitions. Word has length 192 [2024-11-09 05:24:06,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:06,520 INFO L471 AbstractCegarLoop]: Abstraction has 2323 states and 2755 transitions. [2024-11-09 05:24:06,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2755 transitions. [2024-11-09 05:24:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-09 05:24:06,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:06,526 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 05:24:06,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 05:24:06,527 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:24:06,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:06,527 INFO L85 PathProgramCache]: Analyzing trace with hash -835114448, now seen corresponding path program 1 times [2024-11-09 05:24:06,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:24:06,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115786638] [2024-11-09 05:24:06,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:06,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:24:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:06,778 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 05:24:06,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:24:06,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115786638] [2024-11-09 05:24:06,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115786638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:24:06,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128267720] [2024-11-09 05:24:06,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:06,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:24:06,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:24:06,781 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:24:06,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:24:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:06,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:24:06,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:24:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 05:24:07,144 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:24:07,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128267720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:07,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:24:07,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 05:24:07,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035593129] [2024-11-09 05:24:07,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:07,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:24:07,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:07,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:24:07,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:24:07,148 INFO L87 Difference]: Start difference. First operand 2323 states and 2755 transitions. Second operand has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:07,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:07,347 INFO L93 Difference]: Finished difference Result 2925 states and 3469 transitions. [2024-11-09 05:24:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:24:07,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2024-11-09 05:24:07,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:07,355 INFO L225 Difference]: With dead ends: 2925 [2024-11-09 05:24:07,355 INFO L226 Difference]: Without dead ends: 1176 [2024-11-09 05:24:07,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:24:07,358 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 230 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:07,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 344 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:24:07,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2024-11-09 05:24:07,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2024-11-09 05:24:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1174 states have (on average 1.1814310051107326) internal successors, (1387), 1175 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1387 transitions. [2024-11-09 05:24:07,428 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1387 transitions. Word has length 207 [2024-11-09 05:24:07,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:07,429 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1387 transitions. [2024-11-09 05:24:07,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1387 transitions. [2024-11-09 05:24:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-09 05:24:07,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:07,434 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2024-11-09 05:24:07,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:24:07,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:24:07,635 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:24:07,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:07,636 INFO L85 PathProgramCache]: Analyzing trace with hash -779365450, now seen corresponding path program 1 times [2024-11-09 05:24:07,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:24:07,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615486683] [2024-11-09 05:24:07,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:07,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:24:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:24:07,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:24:07,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615486683] [2024-11-09 05:24:07,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615486683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:07,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:24:07,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:24:07,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801082537] [2024-11-09 05:24:07,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:07,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:24:07,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:07,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:24:07,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:24:07,811 INFO L87 Difference]: Start difference. First operand 1176 states and 1387 transitions. Second operand has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:08,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:08,070 INFO L93 Difference]: Finished difference Result 1613 states and 1904 transitions. [2024-11-09 05:24:08,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:24:08,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2024-11-09 05:24:08,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:08,078 INFO L225 Difference]: With dead ends: 1613 [2024-11-09 05:24:08,078 INFO L226 Difference]: Without dead ends: 1189 [2024-11-09 05:24:08,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:24:08,080 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 163 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:08,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 762 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:24:08,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-11-09 05:24:08,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1164. [2024-11-09 05:24:08,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1162 states have (on average 1.1764199655765921) internal successors, (1367), 1163 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:08,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1367 transitions. [2024-11-09 05:24:08,175 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1367 transitions. Word has length 208 [2024-11-09 05:24:08,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:08,176 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1367 transitions. [2024-11-09 05:24:08,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 5 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1367 transitions. [2024-11-09 05:24:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-09 05:24:08,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:24:08,181 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2024-11-09 05:24:08,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 05:24:08,181 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 05:24:08,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:24:08,182 INFO L85 PathProgramCache]: Analyzing trace with hash 567906694, now seen corresponding path program 1 times [2024-11-09 05:24:08,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:24:08,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113350987] [2024-11-09 05:24:08,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:24:08,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:24:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:24:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 05:24:08,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:24:08,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113350987] [2024-11-09 05:24:08,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113350987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:08,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:24:08,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:24:08,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839555463] [2024-11-09 05:24:08,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:08,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:24:08,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:08,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:24:08,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:24:08,443 INFO L87 Difference]: Start difference. First operand 1164 states and 1367 transitions. Second operand has 5 states, 4 states have (on average 49.75) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:24:08,668 INFO L93 Difference]: Finished difference Result 1172 states and 1375 transitions. [2024-11-09 05:24:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:24:08,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 49.75) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2024-11-09 05:24:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:24:08,673 INFO L225 Difference]: With dead ends: 1172 [2024-11-09 05:24:08,674 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:24:08,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:24:08,676 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 217 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:24:08,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 433 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:24:08,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:24:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:24:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:24:08,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2024-11-09 05:24:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:24:08,681 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:24:08,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 49.75) internal successors, (199), 5 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:24:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:24:08,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:24:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-09 05:24:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-09 05:24:08,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-09 05:24:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-09 05:24:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-09 05:24:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-09 05:24:08,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-09 05:24:08,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-09 05:24:08,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:24:08,690 INFO L407 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] [2024-11-09 05:24:08,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:24:19,104 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:24:19,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:24:19 BoogieIcfgContainer [2024-11-09 05:24:19,172 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:24:19,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:24:19,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:24:19,174 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:24:19,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:23:48" (3/4) ... [2024-11-09 05:24:19,177 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:24:19,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure error [2024-11-09 05:24:19,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-09 05:24:19,211 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 05:24:19,213 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:24:19,214 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:24:19,425 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:24:19,426 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:24:19,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:24:19,427 INFO L158 Benchmark]: Toolchain (without parser) took 33047.34ms. Allocated memory was 178.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 138.4MB in the beginning and 851.2MB in the end (delta: -712.8MB). Peak memory consumption was 674.5MB. Max. memory is 16.1GB. [2024-11-09 05:24:19,427 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 178.3MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:24:19,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.16ms. Allocated memory is still 178.3MB. Free memory was 138.1MB in the beginning and 115.3MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:24:19,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.49ms. Allocated memory is still 178.3MB. Free memory was 115.3MB in the beginning and 111.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:24:19,429 INFO L158 Benchmark]: Boogie Preprocessor took 47.30ms. Allocated memory is still 178.3MB. Free memory was 111.7MB in the beginning and 108.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:24:19,429 INFO L158 Benchmark]: RCFGBuilder took 1465.21ms. Allocated memory was 178.3MB in the beginning and 247.5MB in the end (delta: 69.2MB). Free memory was 108.2MB in the beginning and 172.8MB in the end (delta: -64.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-09 05:24:19,430 INFO L158 Benchmark]: TraceAbstraction took 30689.76ms. Allocated memory was 247.5MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 172.8MB in the beginning and 869.0MB in the end (delta: -696.2MB). Peak memory consumption was 960.1MB. Max. memory is 16.1GB. [2024-11-09 05:24:19,430 INFO L158 Benchmark]: Witness Printer took 252.55ms. Allocated memory is still 1.6GB. Free memory was 869.0MB in the beginning and 851.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:24:19,432 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 178.3MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.16ms. Allocated memory is still 178.3MB. Free memory was 138.1MB in the beginning and 115.3MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.49ms. Allocated memory is still 178.3MB. Free memory was 115.3MB in the beginning and 111.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.30ms. Allocated memory is still 178.3MB. Free memory was 111.7MB in the beginning and 108.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1465.21ms. Allocated memory was 178.3MB in the beginning and 247.5MB in the end (delta: 69.2MB). Free memory was 108.2MB in the beginning and 172.8MB in the end (delta: -64.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * TraceAbstraction took 30689.76ms. Allocated memory was 247.5MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 172.8MB in the beginning and 869.0MB in the end (delta: -696.2MB). Peak memory consumption was 960.1MB. Max. memory is 16.1GB. * Witness Printer took 252.55ms. Allocated memory is still 1.6GB. Free memory was 869.0MB in the beginning and 851.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 143]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 143]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 479]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 479]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 239 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 20.1s, OverallIterations: 22, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7304 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7304 mSDsluCounter, 16155 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8516 mSDsCounter, 365 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4406 IncrementalHoareTripleChecker+Invalid, 4771 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 365 mSolverCounterUnsat, 7639 mSDtfsCounter, 4406 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 639 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13656occurred in iteration=16, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 6360 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2789 NumberOfCodeBlocks, 2789 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2763 ConstructedInterpolants, 0 QuantifiedInterpolants, 5086 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1722 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 609/625 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: (((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 6)) && (1 <= a)) && (a_t == 0)) || (((((((((2 <= c_write_req_ev) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req != 0)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 3)) && (a == 0))) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: (((((((((((req_type___0 == 0) && (2 <= c_write_req_ev)) && (req_a___0 == 0)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req != 0)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 3)) && (a == 0)) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_a___0 == 0)) && (req_tt_a == 0)) && (c_empty_req != 1)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (a == 0)) || ((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_a___0 == 0)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_st != 0)) && (m_run_pc == 6)) && (a_t == 0)) && (a == 0))) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (s_run_pc == 0)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (req_type == 1)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_st != 0)) && (a_t == 0)) && (a == 0)) && (m_run_pc == 0)) || ((((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == s_run_pc)) && (req_type == 1)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_st != 0)) && (a == 0)) && (m_run_pc == 0))) - InvariantResult [Line: 1255]: Loop Invariant Derived loop invariant: ((((((((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 3)) && (a_t == 0)) || (((c_m_lock != 1) && (m_run_st != 0)) && (m_run_pc == 0))) || (((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 3)) && (a_t == 0))) || ((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (s_run_pc == 0)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req == 1)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (a_t == 0)) && (m_run_pc == 0))) || (((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 6)) && (a_t == 0))) || (((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 6)) && (a_t == 0))) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (((((((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 3)) && (m_run_st != 0)) && (a_t == 0)) && (a == 0)) || (((((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_tt_a == 0)) && (c_empty_req != 1)) && (2 == s_run_pc)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (a == 0))) || (((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (a_t == 0)) && (a == 0))) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (s_run_pc == 0)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req != 0)) && (req_type == 1)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_st != 0)) && (a_t == 0)) && (a == 0)) && (m_run_pc == 0)) || (((((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req != 0)) && (2 == s_run_pc)) && (req_type == 1)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_st != 0)) && (a == 0)) && (m_run_pc == 0))) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 3)) && (a_t == 0)) || ((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 6)) && (a_t == 0))) || (((c_m_lock != 1) && (m_run_st != 0)) && (m_run_pc == 0))) || ((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (s_run_st != 0)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req == 1)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (a_t == 0)) && (m_run_pc == 0))) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((((((2 <= c_write_req_ev) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req != 0)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 3)) && (1 <= a)) || ((((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req != 0)) && (2 == s_run_pc)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_st != 0)) && (a == 0)) && (m_run_pc == 0))) || ((((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (s_run_pc == 0)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_st != 0)) && (a_t == 0)) && (a == 0)) && (m_run_pc == 0))) - InvariantResult [Line: 876]: Location Invariant Derived location invariant: ((((((((c_m_lock != 1) && (m_run_st != 0)) && (m_run_pc == 0)) || (((((((2 != s_run_pc) && (2 <= c_write_req_ev)) && (c_req_type == 1)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 3)) && (a_t == 0))) || (((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 6)) && (a_t == 0)) && (req_type == 0))) || (((((((c_req_type == 0) && (2 != s_run_pc)) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 6)) && (a_t == 0))) || (((((((((((c_req_type == 0) && (2 != s_run_pc)) && (2 <= c_write_req_ev)) && (s_run_st != 0)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req == 1)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (a_t == 0)) && (m_run_pc == 0))) || (((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_type == 1)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 3)) && (a_t == 0))) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (((((((((((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_type == 1)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 3)) && (a_t == 0)) || ((((((((2 != s_run_pc) && (2 <= c_write_req_ev)) && (c_req_type == 1)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 3)) && (a_t == 0))) || ((((((((c_req_type == 0) && (2 != s_run_pc)) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 6)) && (a_t == 0))) || ((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 6)) && (a_t == 0)) && (req_type == 0))) || ((((c_m_lock != 1) && (c_empty_req != 0)) && (m_run_st != 0)) && (m_run_pc == 0))) || ((((((((c_req_type == 0) && (2 != s_run_pc)) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 6)) && (a_t == 0))) || ((((2 != s_run_pc) && (c_m_lock != 1)) && (m_run_st != 0)) && (m_run_pc == 0))) || ((((((((2 != s_run_pc) && (2 <= c_write_req_ev)) && (c_req_type == 1)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 3)) && (a_t == 0))) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((((((req_type___0 == 0) && (2 <= c_write_req_ev)) && (req_a___0 == 0)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (0 <= a_t)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 3)) && (a == 0)) - InvariantResult [Line: 1119]: Loop Invariant Derived loop invariant: (((((((((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (s_run_st != 0)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (2 == s_run_pc)) && (c_empty_req == 1)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (a_t == 0)) && (m_run_pc == 0)) || (((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 3)) && (a_t == 0))) || (((c_m_lock != 1) && (m_run_st != 0)) && (m_run_pc == 0))) || (((((((2 <= c_write_req_ev) && (c_req_type == 1)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 3)) && (a_t == 0))) || ((((((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (s_run_pc == 0)) && (req_tt_a == 0)) && (c_m_lock != 1)) && (c_empty_req == 1)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (a_t == 0)) && (m_run_pc == 0))) || (((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (c_empty_req != 0)) && (2 == c_write_rsp_ev)) && (m_run_pc == 6)) && (a_t == 0))) || (((((((c_req_type == 0) && (2 <= c_write_req_ev)) && (req_tt_a == 0)) && (2 == c_write_rsp_ev)) && (c_empty_rsp == 1)) && (m_run_pc == 6)) && (a_t == 0))) - ProcedureContractResult [Line: 16]: Procedure Contract for error Derived contract for procedure error. Ensures: (0 && (((((((((((((((((((((((((((((((((((((((((m_run_st == \old(m_run_st)) && (m_run_i == \old(m_run_i))) && (m_run_pc == \old(m_run_pc))) && (s_memory0 == \old(s_memory0))) && (s_run_st == \old(s_run_st))) && (s_run_i == \old(s_run_i))) && (s_run_pc == \old(s_run_pc))) && (c_m_lock == \old(c_m_lock))) && (c_m_ev == \old(c_m_ev))) && (c_req_type == \old(c_req_type))) && (c_req_a == \old(c_req_a))) && (c_req_d == \old(c_req_d))) && (c_rsp_type == \old(c_rsp_type))) && (c_rsp_status == \old(c_rsp_status))) && (c_rsp_d == \old(c_rsp_d))) && (c_empty_req == \old(c_empty_req))) && (c_empty_rsp == \old(c_empty_rsp))) && (c_read_req_ev == \old(c_read_req_ev))) && (c_write_req_ev == \old(c_write_req_ev))) && (c_read_rsp_ev == \old(c_read_rsp_ev))) && (c_write_rsp_ev == \old(c_write_rsp_ev))) && (d_t == \old(d_t))) && (a_t == \old(a_t))) && (req_t_type == \old(req_t_type))) && (req_t_a == \old(req_t_a))) && (req_t_d == \old(req_t_d))) && (rsp_t_type == \old(rsp_t_type))) && (rsp_t_status == \old(rsp_t_status))) && (rsp_t_d == \old(rsp_t_d))) && (req_tt_type == \old(req_tt_type))) && (req_tt_a == \old(req_tt_a))) && (req_tt_d == \old(req_tt_d))) && (rsp_tt_type == \old(rsp_tt_type))) && (rsp_tt_status == \old(rsp_tt_status))) && (rsp_tt_d == \old(rsp_tt_d))) && (req_t_type___0 == \old(req_t_type___0))) && (req_t_a___0 == \old(req_t_a___0))) && (req_t_d___0 == \old(req_t_d___0))) && (rsp_t_type___0 == \old(rsp_t_type___0))) && (rsp_t_status___0 == \old(rsp_t_status___0))) && (rsp_t_d___0 == \old(rsp_t_d___0)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:24:19,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_706fddce-c9cb-4972-aa5e-5d2df0354c45/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE