./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-1.i --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_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/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_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/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_3728310b-c7c8-495a-94fa-f0fa947509ed/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 8b7afe619831a9e012e7620d6e0b03d3495f1fd3efb2bdea6bfa4bb1568774e6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:32:54,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:32:54,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:32:54,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:32:54,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:32:54,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:32:54,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:32:54,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:32:54,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:32:54,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:32:54,628 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:32:54,628 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:32:54,631 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:32:54,632 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:32:54,635 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:32:54,636 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:32:54,636 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:32:54,636 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:32:54,637 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:32:54,637 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:32:54,638 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:32:54,642 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:32:54,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:32:54,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:32:54,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:32:54,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:32:54,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:32:54,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:32:54,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:32:54,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:32:54,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:32:54,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:32:54,649 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:32:54,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:32:54,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:32:54,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:32:54,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:32:54,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:32:54,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:32:54,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:32:54,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:32:54,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:32:54,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:32:54,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:32:54,654 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:32:54,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:32:54,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:32:54,655 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:32:54,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:32:54,656 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_3728310b-c7c8-495a-94fa-f0fa947509ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b7afe619831a9e012e7620d6e0b03d3495f1fd3efb2bdea6bfa4bb1568774e6 [2024-11-09 05:32:55,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:32:55,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:32:55,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:32:55,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:32:55,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:32:55,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/bitvector/byte_add_2-1.i Unable to find full path for "g++" [2024-11-09 05:32:57,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:32:57,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:32:57,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/sv-benchmarks/c/bitvector/byte_add_2-1.i [2024-11-09 05:32:58,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/data/9843bd512/d0752f8d213f423abee797d50284ca41/FLAGad97d491f [2024-11-09 05:32:58,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/data/9843bd512/d0752f8d213f423abee797d50284ca41 [2024-11-09 05:32:58,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:32:58,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:32:58,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:32:58,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:32:58,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:32:58,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2d079f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58, skipping insertion in model container [2024-11-09 05:32:58,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:32:58,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:32:58,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:32:58,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:32:58,916 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:32:58,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58 WrapperNode [2024-11-09 05:32:58,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:32:58,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:32:58,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:32:58,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:32:58,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,012 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 188 [2024-11-09 05:32:59,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:32:59,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:32:59,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:32:59,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:32:59,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:32:59,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:32:59,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:32:59,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:32:59,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:59,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:32:59,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:32:59,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:32:59,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:32:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:32:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:32:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:32:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:32:59,317 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:32:59,321 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:33:00,046 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-09 05:33:00,047 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:33:00,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:33:00,372 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:33:00,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:00 BoogieIcfgContainer [2024-11-09 05:33:00,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:33:00,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:33:00,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:33:00,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:33:00,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:32:58" (1/3) ... [2024-11-09 05:33:00,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2e8833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:00, skipping insertion in model container [2024-11-09 05:33:00,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (2/3) ... [2024-11-09 05:33:00,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2e8833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:00, skipping insertion in model container [2024-11-09 05:33:00,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:00" (3/3) ... [2024-11-09 05:33:00,391 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_2-1.i [2024-11-09 05:33:00,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:33:00,423 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-11-09 05:33:00,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:33:00,544 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;@139ae0c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:33:00,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-11-09 05:33:00,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 65 states have (on average 1.9384615384615385) internal successors, (126), 106 states have internal predecessors, (126), 0 states have call successors, (0), 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 05:33:00,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:33:00,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:00,561 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:33:00,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:00,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash 340355, now seen corresponding path program 1 times [2024-11-09 05:33:00,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:00,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225791732] [2024-11-09 05:33:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:00,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:00,813 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 05:33:00,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:00,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225791732] [2024-11-09 05:33:00,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225791732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:00,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:33:00,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:33:00,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304574320] [2024-11-09 05:33:00,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:00,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:33:00,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:00,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:33:00,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:33:00,870 INFO L87 Difference]: Start difference. First operand has 107 states, 65 states have (on average 1.9384615384615385) internal successors, (126), 106 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:00,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:00,926 INFO L93 Difference]: Finished difference Result 107 states and 126 transitions. [2024-11-09 05:33:00,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:33:00,931 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 05:33:00,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:00,945 INFO L225 Difference]: With dead ends: 107 [2024-11-09 05:33:00,945 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 05:33:00,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:33:00,954 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:00,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:33:00,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 05:33:01,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 05:33:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 65 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-11-09 05:33:01,006 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 3 [2024-11-09 05:33:01,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:01,007 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-11-09 05:33:01,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-11-09 05:33:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:33:01,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:01,010 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:01,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:33:01,011 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:01,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:01,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1683446157, now seen corresponding path program 1 times [2024-11-09 05:33:01,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:01,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120961197] [2024-11-09 05:33:01,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:01,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:01,329 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 05:33:01,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:01,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120961197] [2024-11-09 05:33:01,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120961197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:01,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:33:01,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:33:01,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359312159] [2024-11-09 05:33:01,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:01,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:33:01,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:01,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:33:01,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:33:01,340 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:01,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:01,565 INFO L93 Difference]: Finished difference Result 134 states and 180 transitions. [2024-11-09 05:33:01,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:33:01,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 05:33:01,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:01,568 INFO L225 Difference]: With dead ends: 134 [2024-11-09 05:33:01,570 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 05:33:01,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:33:01,573 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 24 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:01,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 111 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:33:01,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 05:33:01,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2024-11-09 05:33:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.2891566265060241) internal successors, (107), 83 states have internal predecessors, (107), 0 states have call successors, (0), 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 05:33:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 107 transitions. [2024-11-09 05:33:01,595 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 107 transitions. Word has length 16 [2024-11-09 05:33:01,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:01,596 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 107 transitions. [2024-11-09 05:33:01,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2024-11-09 05:33:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:33:01,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:01,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:01,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:33:01,600 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:01,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:01,607 INFO L85 PathProgramCache]: Analyzing trace with hash -286767176, now seen corresponding path program 1 times [2024-11-09 05:33:01,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:01,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609652669] [2024-11-09 05:33:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:01,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:01,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:01,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609652669] [2024-11-09 05:33:01,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609652669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:01,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193534954] [2024-11-09 05:33:01,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:01,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:01,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:01,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:01,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:33:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:02,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:33:02,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:02,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:02,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193534954] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:02,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:33:02,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2024-11-09 05:33:02,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387691897] [2024-11-09 05:33:02,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:02,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:33:02,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:02,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:33:02,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:33:02,458 INFO L87 Difference]: Start difference. First operand 84 states and 107 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:02,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:02,982 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2024-11-09 05:33:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:33:02,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 05:33:02,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:02,985 INFO L225 Difference]: With dead ends: 128 [2024-11-09 05:33:02,987 INFO L226 Difference]: Without dead ends: 112 [2024-11-09 05:33:02,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:33:02,992 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 137 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:02,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 229 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:33:02,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-09 05:33:03,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 79. [2024-11-09 05:33:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2024-11-09 05:33:03,011 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 20 [2024-11-09 05:33:03,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:03,012 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2024-11-09 05:33:03,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2024-11-09 05:33:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:33:03,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:03,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:03,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:33:03,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:03,215 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:03,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:03,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2049288384, now seen corresponding path program 1 times [2024-11-09 05:33:03,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:03,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151799681] [2024-11-09 05:33:03,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:03,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:03,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:03,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151799681] [2024-11-09 05:33:03,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151799681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:03,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:33:03,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:33:03,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668006903] [2024-11-09 05:33:03,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:03,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:33:03,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:03,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:33:03,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:33:03,558 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:03,752 INFO L93 Difference]: Finished difference Result 129 states and 161 transitions. [2024-11-09 05:33:03,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:33:03,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 05:33:03,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:03,754 INFO L225 Difference]: With dead ends: 129 [2024-11-09 05:33:03,754 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 05:33:03,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:33:03,760 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 99 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:03,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 150 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:33:03,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 05:33:03,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 80. [2024-11-09 05:33:03,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.2531645569620253) internal successors, (99), 79 states have internal predecessors, (99), 0 states have call successors, (0), 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 05:33:03,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions. [2024-11-09 05:33:03,778 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 23 [2024-11-09 05:33:03,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:03,779 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 99 transitions. [2024-11-09 05:33:03,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2024-11-09 05:33:03,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:33:03,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:03,781 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:03,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:33:03,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:03,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:03,784 INFO L85 PathProgramCache]: Analyzing trace with hash 646944654, now seen corresponding path program 1 times [2024-11-09 05:33:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:03,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248562328] [2024-11-09 05:33:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:03,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:04,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:04,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248562328] [2024-11-09 05:33:04,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248562328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:04,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:33:04,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:33:04,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364212642] [2024-11-09 05:33:04,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:04,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:33:04,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:04,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:33:04,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:33:04,071 INFO L87 Difference]: Start difference. First operand 80 states and 99 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 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 05:33:04,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:04,226 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2024-11-09 05:33:04,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:33:04,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2024-11-09 05:33:04,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:04,228 INFO L225 Difference]: With dead ends: 190 [2024-11-09 05:33:04,228 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 05:33:04,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 05:33:04,230 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 92 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:04,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 181 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:33:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 05:33:04,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 94. [2024-11-09 05:33:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.2473118279569892) internal successors, (116), 93 states have internal predecessors, (116), 0 states have call successors, (0), 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 05:33:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 116 transitions. [2024-11-09 05:33:04,239 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 116 transitions. Word has length 29 [2024-11-09 05:33:04,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:04,239 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 116 transitions. [2024-11-09 05:33:04,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 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 05:33:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-09 05:33:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:33:04,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:04,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:33:04,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:33:04,241 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:04,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:04,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1348476302, now seen corresponding path program 1 times [2024-11-09 05:33:04,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:04,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346327250] [2024-11-09 05:33:04,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:04,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:04,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:04,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:04,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346327250] [2024-11-09 05:33:04,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346327250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:04,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:33:04,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:33:04,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094546065] [2024-11-09 05:33:04,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:04,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:33:04,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:04,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:33:04,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:33:04,375 INFO L87 Difference]: Start difference. First operand 94 states and 116 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 05:33:04,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:04,602 INFO L93 Difference]: Finished difference Result 182 states and 243 transitions. [2024-11-09 05:33:04,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:33:04,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2024-11-09 05:33:04,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:04,604 INFO L225 Difference]: With dead ends: 182 [2024-11-09 05:33:04,604 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 05:33:04,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 05:33:04,607 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 62 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:04,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 150 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:33:04,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 05:33:04,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 109. [2024-11-09 05:33:04,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.2685185185185186) internal successors, (137), 108 states have internal predecessors, (137), 0 states have call successors, (0), 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 05:33:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 137 transitions. [2024-11-09 05:33:04,630 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 137 transitions. Word has length 29 [2024-11-09 05:33:04,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:04,630 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 137 transitions. [2024-11-09 05:33:04,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 05:33:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2024-11-09 05:33:04,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 05:33:04,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:04,632 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:33:04,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:33:04,632 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:04,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:04,633 INFO L85 PathProgramCache]: Analyzing trace with hash -98483141, now seen corresponding path program 1 times [2024-11-09 05:33:04,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:04,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522992635] [2024-11-09 05:33:04,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:04,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:33:04,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:04,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522992635] [2024-11-09 05:33:04,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522992635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:04,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:33:04,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:33:04,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215597989] [2024-11-09 05:33:04,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:04,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:33:04,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:04,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:33:04,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:33:04,863 INFO L87 Difference]: Start difference. First operand 109 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 05:33:05,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:05,029 INFO L93 Difference]: Finished difference Result 255 states and 322 transitions. [2024-11-09 05:33:05,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:33:05,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 36 [2024-11-09 05:33:05,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:05,032 INFO L225 Difference]: With dead ends: 255 [2024-11-09 05:33:05,032 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 05:33:05,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 05:33:05,033 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 48 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:05,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 168 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:33:05,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 05:33:05,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 179. [2024-11-09 05:33:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.2752808988764044) internal successors, (227), 178 states have internal predecessors, (227), 0 states have call successors, (0), 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 05:33:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 227 transitions. [2024-11-09 05:33:05,049 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 227 transitions. Word has length 36 [2024-11-09 05:33:05,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:05,049 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 227 transitions. [2024-11-09 05:33:05,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 05:33:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 227 transitions. [2024-11-09 05:33:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:33:05,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:05,052 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:33:05,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:33:05,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:05,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:05,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1082564647, now seen corresponding path program 1 times [2024-11-09 05:33:05,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:05,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905988492] [2024-11-09 05:33:05,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:05,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:05,299 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:05,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:05,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905988492] [2024-11-09 05:33:05,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905988492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:05,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611798467] [2024-11-09 05:33:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:05,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:05,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:05,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:05,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:33:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:05,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:33:05,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:05,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:33:05,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611798467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:05,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:33:05,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-09 05:33:05,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486229384] [2024-11-09 05:33:05,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:05,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:33:05,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:05,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:33:05,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:33:05,592 INFO L87 Difference]: Start difference. First operand 179 states and 227 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:05,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:05,810 INFO L93 Difference]: Finished difference Result 262 states and 335 transitions. [2024-11-09 05:33:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:33:05,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2024-11-09 05:33:05,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:05,813 INFO L225 Difference]: With dead ends: 262 [2024-11-09 05:33:05,814 INFO L226 Difference]: Without dead ends: 190 [2024-11-09 05:33:05,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:33:05,815 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 124 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:05,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 203 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:33:05,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-09 05:33:05,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2024-11-09 05:33:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.2580645161290323) internal successors, (234), 186 states have internal predecessors, (234), 0 states have call successors, (0), 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 05:33:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 234 transitions. [2024-11-09 05:33:05,842 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 234 transitions. Word has length 39 [2024-11-09 05:33:05,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:05,842 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 234 transitions. [2024-11-09 05:33:05,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 234 transitions. [2024-11-09 05:33:05,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:33:05,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:05,844 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:33:05,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:33:06,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:06,045 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:06,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:06,046 INFO L85 PathProgramCache]: Analyzing trace with hash -623458278, now seen corresponding path program 1 times [2024-11-09 05:33:06,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:06,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651254178] [2024-11-09 05:33:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:06,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:06,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:06,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651254178] [2024-11-09 05:33:06,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651254178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:06,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010733723] [2024-11-09 05:33:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:06,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:06,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:06,391 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:06,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:33:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:06,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:33:06,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:06,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:33:06,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010733723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:06,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:33:06,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 05:33:06,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547236711] [2024-11-09 05:33:06,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:06,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:33:06,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:06,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:33:06,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:33:06,709 INFO L87 Difference]: Start difference. First operand 187 states and 234 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:07,001 INFO L93 Difference]: Finished difference Result 476 states and 609 transitions. [2024-11-09 05:33:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:33:07,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2024-11-09 05:33:07,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:07,004 INFO L225 Difference]: With dead ends: 476 [2024-11-09 05:33:07,004 INFO L226 Difference]: Without dead ends: 338 [2024-11-09 05:33:07,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:33:07,009 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 90 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:07,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 268 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:33:07,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-09 05:33:07,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 322. [2024-11-09 05:33:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 1.2429906542056075) internal successors, (399), 321 states have internal predecessors, (399), 0 states have call successors, (0), 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 05:33:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 399 transitions. [2024-11-09 05:33:07,032 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 399 transitions. Word has length 39 [2024-11-09 05:33:07,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:07,032 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 399 transitions. [2024-11-09 05:33:07,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:07,033 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 399 transitions. [2024-11-09 05:33:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:33:07,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:07,037 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:33:07,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:07,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:07,241 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:07,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1862480132, now seen corresponding path program 1 times [2024-11-09 05:33:07,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:07,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882106328] [2024-11-09 05:33:07,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:07,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:07,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:07,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882106328] [2024-11-09 05:33:07,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882106328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:07,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921123947] [2024-11-09 05:33:07,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:07,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:07,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:07,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:07,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:33:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:07,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:33:07,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:33:07,676 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:33:07,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921123947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:07,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:33:07,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2024-11-09 05:33:07,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279274598] [2024-11-09 05:33:07,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:07,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:33:07,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:07,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:33:07,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:33:07,681 INFO L87 Difference]: Start difference. First operand 322 states and 399 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:08,078 INFO L93 Difference]: Finished difference Result 611 states and 770 transitions. [2024-11-09 05:33:08,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:33:08,079 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 42 [2024-11-09 05:33:08,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:08,082 INFO L225 Difference]: With dead ends: 611 [2024-11-09 05:33:08,082 INFO L226 Difference]: Without dead ends: 541 [2024-11-09 05:33:08,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:33:08,087 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 198 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:08,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 706 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:33:08,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-09 05:33:08,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 391. [2024-11-09 05:33:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 390 states have (on average 1.2538461538461538) internal successors, (489), 390 states have internal predecessors, (489), 0 states have call successors, (0), 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 05:33:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 489 transitions. [2024-11-09 05:33:08,116 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 489 transitions. Word has length 42 [2024-11-09 05:33:08,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:08,119 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 489 transitions. [2024-11-09 05:33:08,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 489 transitions. [2024-11-09 05:33:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:33:08,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:08,122 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:33:08,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:08,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 05:33:08,327 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:08,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:08,328 INFO L85 PathProgramCache]: Analyzing trace with hash 796368288, now seen corresponding path program 1 times [2024-11-09 05:33:08,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:08,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912276651] [2024-11-09 05:33:08,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:08,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:08,946 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:33:08,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:08,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912276651] [2024-11-09 05:33:08,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912276651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:08,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287340972] [2024-11-09 05:33:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:08,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:08,949 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:08,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:33:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:09,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:33:09,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:33:09,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:33:09,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287340972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:09,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:33:09,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-09 05:33:09,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52163929] [2024-11-09 05:33:09,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:09,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:33:09,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:09,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:33:09,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-09 05:33:09,219 INFO L87 Difference]: Start difference. First operand 391 states and 489 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:09,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:09,573 INFO L93 Difference]: Finished difference Result 603 states and 759 transitions. [2024-11-09 05:33:09,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:33:09,574 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 42 [2024-11-09 05:33:09,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:09,576 INFO L225 Difference]: With dead ends: 603 [2024-11-09 05:33:09,576 INFO L226 Difference]: Without dead ends: 533 [2024-11-09 05:33:09,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:33:09,578 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 251 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:09,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 535 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:33:09,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-09 05:33:09,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 386. [2024-11-09 05:33:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.2441558441558442) internal successors, (479), 385 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:33:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 479 transitions. [2024-11-09 05:33:09,596 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 479 transitions. Word has length 42 [2024-11-09 05:33:09,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:09,597 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 479 transitions. [2024-11-09 05:33:09,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 479 transitions. [2024-11-09 05:33:09,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 05:33:09,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:09,598 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:33:09,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:09,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:09,800 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:09,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:09,800 INFO L85 PathProgramCache]: Analyzing trace with hash -225093941, now seen corresponding path program 1 times [2024-11-09 05:33:09,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:09,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725332871] [2024-11-09 05:33:09,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:09,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:10,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:10,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725332871] [2024-11-09 05:33:10,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725332871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:10,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80476974] [2024-11-09 05:33:10,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:10,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:10,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:10,060 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:10,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 05:33:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:10,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 05:33:10,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:10,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:12,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80476974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:12,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1481962087] [2024-11-09 05:33:12,317 INFO L159 IcfgInterpreter]: Started Sifa with 38 locations of interest [2024-11-09 05:33:12,317 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:12,321 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:12,331 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:12,332 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:12,536 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:33:14,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1481962087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:14,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:14,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 14, 12] total 35 [2024-11-09 05:33:14,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516838756] [2024-11-09 05:33:14,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:14,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:33:14,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:14,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:33:14,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=942, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:33:14,342 INFO L87 Difference]: Start difference. First operand 386 states and 479 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:14,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:14,864 INFO L93 Difference]: Finished difference Result 619 states and 772 transitions. [2024-11-09 05:33:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:33:14,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 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 45 [2024-11-09 05:33:14,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:14,867 INFO L225 Difference]: With dead ends: 619 [2024-11-09 05:33:14,867 INFO L226 Difference]: Without dead ends: 397 [2024-11-09 05:33:14,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=248, Invalid=942, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:33:14,868 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 221 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:14,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 484 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 05:33:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-09 05:33:14,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 247. [2024-11-09 05:33:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.2479674796747968) internal successors, (307), 246 states have internal predecessors, (307), 0 states have call successors, (0), 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 05:33:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 307 transitions. [2024-11-09 05:33:14,886 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 307 transitions. Word has length 45 [2024-11-09 05:33:14,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:14,886 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 307 transitions. [2024-11-09 05:33:14,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 307 transitions. [2024-11-09 05:33:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 05:33:14,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:14,887 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:33:14,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:15,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:15,088 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:15,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:15,089 INFO L85 PathProgramCache]: Analyzing trace with hash 676671535, now seen corresponding path program 1 times [2024-11-09 05:33:15,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:15,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731868012] [2024-11-09 05:33:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:15,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:15,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731868012] [2024-11-09 05:33:15,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731868012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:15,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956295258] [2024-11-09 05:33:15,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:15,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:15,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:15,437 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:15,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:33:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:15,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 05:33:15,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:16,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:17,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956295258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1582165514] [2024-11-09 05:33:17,422 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2024-11-09 05:33:17,422 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:17,423 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:17,423 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:17,423 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:17,575 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:33:19,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1582165514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:19,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:19,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 14, 12] total 37 [2024-11-09 05:33:19,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015333181] [2024-11-09 05:33:19,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:19,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:33:19,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:19,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:33:19,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1103, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 05:33:19,403 INFO L87 Difference]: Start difference. First operand 247 states and 307 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 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 05:33:20,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:20,076 INFO L93 Difference]: Finished difference Result 408 states and 505 transitions. [2024-11-09 05:33:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:33:20,077 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 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 47 [2024-11-09 05:33:20,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:20,080 INFO L225 Difference]: With dead ends: 408 [2024-11-09 05:33:20,080 INFO L226 Difference]: Without dead ends: 325 [2024-11-09 05:33:20,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=229, Invalid=1103, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 05:33:20,082 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 178 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:20,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 902 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:33:20,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-09 05:33:20,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 173. [2024-11-09 05:33:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.2209302325581395) internal successors, (210), 172 states have internal predecessors, (210), 0 states have call successors, (0), 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 05:33:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 210 transitions. [2024-11-09 05:33:20,105 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 210 transitions. Word has length 47 [2024-11-09 05:33:20,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:20,106 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 210 transitions. [2024-11-09 05:33:20,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 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 05:33:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 210 transitions. [2024-11-09 05:33:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 05:33:20,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:20,107 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:33:20,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:20,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:20,312 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:20,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:20,312 INFO L85 PathProgramCache]: Analyzing trace with hash -962252392, now seen corresponding path program 1 times [2024-11-09 05:33:20,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:20,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108069940] [2024-11-09 05:33:20,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:20,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:20,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:20,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108069940] [2024-11-09 05:33:20,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108069940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:20,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522044759] [2024-11-09 05:33:20,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:20,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:20,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:20,641 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:20,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:33:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:20,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:33:20,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:33:20,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:33:21,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522044759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:21,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1944275231] [2024-11-09 05:33:21,383 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2024-11-09 05:33:21,387 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:21,387 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:21,387 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:21,388 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:21,581 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:33:23,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1944275231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:23,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:23,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7, 6, 8] total 24 [2024-11-09 05:33:23,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626017781] [2024-11-09 05:33:23,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:23,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:33:23,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:23,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:33:23,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:33:23,238 INFO L87 Difference]: Start difference. First operand 173 states and 210 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 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 05:33:23,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:23,673 INFO L93 Difference]: Finished difference Result 342 states and 415 transitions. [2024-11-09 05:33:23,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:33:23,674 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 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 56 [2024-11-09 05:33:23,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:23,675 INFO L225 Difference]: With dead ends: 342 [2024-11-09 05:33:23,675 INFO L226 Difference]: Without dead ends: 262 [2024-11-09 05:33:23,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:33:23,677 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 162 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:23,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 317 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:33:23,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-09 05:33:23,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 179. [2024-11-09 05:33:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.2134831460674158) internal successors, (216), 178 states have internal predecessors, (216), 0 states have call successors, (0), 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 05:33:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 216 transitions. [2024-11-09 05:33:23,699 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 216 transitions. Word has length 56 [2024-11-09 05:33:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:23,699 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 216 transitions. [2024-11-09 05:33:23,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 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 05:33:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 216 transitions. [2024-11-09 05:33:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:33:23,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:23,701 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:33:23,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 05:33:23,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 05:33:23,905 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:23,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:23,906 INFO L85 PathProgramCache]: Analyzing trace with hash 849489695, now seen corresponding path program 1 times [2024-11-09 05:33:23,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:23,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263924803] [2024-11-09 05:33:23,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:23,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:24,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:24,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263924803] [2024-11-09 05:33:24,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263924803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:24,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212396835] [2024-11-09 05:33:24,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:24,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:24,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:24,255 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:24,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:33:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:24,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:33:24,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:24,577 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 05:33:24,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 05:33:24,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212396835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:24,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2132825572] [2024-11-09 05:33:24,741 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 05:33:24,741 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:24,742 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:24,742 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:24,742 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:25,026 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:33:26,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2132825572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:26,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:26,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7, 7, 7] total 22 [2024-11-09 05:33:26,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354362240] [2024-11-09 05:33:26,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:26,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 05:33:26,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:26,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 05:33:26,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-09 05:33:26,970 INFO L87 Difference]: Start difference. First operand 179 states and 216 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:27,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:27,637 INFO L93 Difference]: Finished difference Result 418 states and 509 transitions. [2024-11-09 05:33:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:33:27,638 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 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 59 [2024-11-09 05:33:27,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:27,640 INFO L225 Difference]: With dead ends: 418 [2024-11-09 05:33:27,640 INFO L226 Difference]: Without dead ends: 338 [2024-11-09 05:33:27,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 162 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-09 05:33:27,641 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 263 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:27,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 419 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:33:27,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-09 05:33:27,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 179. [2024-11-09 05:33:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.2134831460674158) internal successors, (216), 178 states have internal predecessors, (216), 0 states have call successors, (0), 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 05:33:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 216 transitions. [2024-11-09 05:33:27,660 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 216 transitions. Word has length 59 [2024-11-09 05:33:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:27,661 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 216 transitions. [2024-11-09 05:33:27,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 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 05:33:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 216 transitions. [2024-11-09 05:33:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 05:33:27,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:27,662 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:33:27,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 05:33:27,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:27,864 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:27,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:27,865 INFO L85 PathProgramCache]: Analyzing trace with hash 82299267, now seen corresponding path program 1 times [2024-11-09 05:33:27,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:27,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711671880] [2024-11-09 05:33:27,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:27,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:33:28,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:28,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711671880] [2024-11-09 05:33:28,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711671880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:28,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248267077] [2024-11-09 05:33:28,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:28,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:28,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:28,212 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:28,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 05:33:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:28,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:33:28,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 05:33:28,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 05:33:28,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248267077] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:28,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1633447213] [2024-11-09 05:33:28,607 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2024-11-09 05:33:28,608 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:28,608 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:28,608 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:28,608 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:28,827 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:33:30,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1633447213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:30,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:30,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7, 7, 7] total 23 [2024-11-09 05:33:30,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209278543] [2024-11-09 05:33:30,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:30,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:33:30,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:30,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:33:30,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:33:30,961 INFO L87 Difference]: Start difference. First operand 179 states and 216 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 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 05:33:31,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:31,902 INFO L93 Difference]: Finished difference Result 418 states and 508 transitions. [2024-11-09 05:33:31,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 05:33:31,902 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 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 61 [2024-11-09 05:33:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:31,904 INFO L225 Difference]: With dead ends: 418 [2024-11-09 05:33:31,904 INFO L226 Difference]: Without dead ends: 338 [2024-11-09 05:33:31,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 167 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:33:31,905 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 205 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:31,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 782 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 05:33:31,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-09 05:33:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 173. [2024-11-09 05:33:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.2151162790697674) internal successors, (209), 172 states have internal predecessors, (209), 0 states have call successors, (0), 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 05:33:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 209 transitions. [2024-11-09 05:33:31,923 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 209 transitions. Word has length 61 [2024-11-09 05:33:31,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:31,924 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 209 transitions. [2024-11-09 05:33:31,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 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 05:33:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 209 transitions. [2024-11-09 05:33:31,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 05:33:31,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:31,925 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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 05:33:31,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:32,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 05:33:32,129 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:32,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:32,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1428425546, now seen corresponding path program 1 times [2024-11-09 05:33:32,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:32,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594741599] [2024-11-09 05:33:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:32,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:33:32,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:32,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594741599] [2024-11-09 05:33:32,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594741599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:32,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731049444] [2024-11-09 05:33:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:32,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:32,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:32,472 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:32,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 05:33:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:32,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:33:32,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:33:32,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:33:33,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731049444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:33,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1531939802] [2024-11-09 05:33:33,663 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2024-11-09 05:33:33,663 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:33,664 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:33,664 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:33,664 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:34,623 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:33:37,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1531939802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:37,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:37,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6, 8, 8] total 27 [2024-11-09 05:33:37,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571950335] [2024-11-09 05:33:37,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:37,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:33:37,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:37,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:33:37,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=563, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:33:37,780 INFO L87 Difference]: Start difference. First operand 173 states and 209 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 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 05:33:39,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:39,536 INFO L93 Difference]: Finished difference Result 363 states and 435 transitions. [2024-11-09 05:33:39,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 05:33:39,537 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 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 62 [2024-11-09 05:33:39,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:39,539 INFO L225 Difference]: With dead ends: 363 [2024-11-09 05:33:39,539 INFO L226 Difference]: Without dead ends: 283 [2024-11-09 05:33:39,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 161 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:33:39,541 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 195 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:39,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 427 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:33:39,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-09 05:33:39,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 198. [2024-11-09 05:33:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.1878172588832487) internal successors, (234), 197 states have internal predecessors, (234), 0 states have call successors, (0), 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 05:33:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 234 transitions. [2024-11-09 05:33:39,572 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 234 transitions. Word has length 62 [2024-11-09 05:33:39,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:39,572 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 234 transitions. [2024-11-09 05:33:39,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 0 states have call successors, (0), 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 05:33:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 234 transitions. [2024-11-09 05:33:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 05:33:39,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:39,574 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:33:39,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:39,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 05:33:39,775 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:39,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:39,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1108903825, now seen corresponding path program 1 times [2024-11-09 05:33:39,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:39,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953251111] [2024-11-09 05:33:39,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:39,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:33:40,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:40,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953251111] [2024-11-09 05:33:40,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953251111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:40,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871807337] [2024-11-09 05:33:40,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:40,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:40,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:40,076 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:40,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 05:33:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:40,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 05:33:40,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:33:40,558 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:33:41,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871807337] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:41,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1650281068] [2024-11-09 05:33:41,091 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2024-11-09 05:33:41,092 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:41,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:41,093 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:41,093 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:41,966 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:33:45,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1650281068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:45,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:45,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [6, 8, 8] total 32 [2024-11-09 05:33:45,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819592671] [2024-11-09 05:33:45,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:45,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 05:33:45,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:33:45,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 05:33:45,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:33:45,460 INFO L87 Difference]: Start difference. First operand 198 states and 234 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 15 states have internal predecessors, (46), 0 states have call successors, (0), 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 05:33:47,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:47,399 INFO L93 Difference]: Finished difference Result 455 states and 545 transitions. [2024-11-09 05:33:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:33:47,400 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 15 states have internal predecessors, (46), 0 states have call successors, (0), 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 65 [2024-11-09 05:33:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:47,401 INFO L225 Difference]: With dead ends: 455 [2024-11-09 05:33:47,401 INFO L226 Difference]: Without dead ends: 375 [2024-11-09 05:33:47,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 166 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=251, Invalid=1009, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 05:33:47,403 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 173 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:33:47,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 659 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:33:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-09 05:33:47,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 198. [2024-11-09 05:33:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.1878172588832487) internal successors, (234), 197 states have internal predecessors, (234), 0 states have call successors, (0), 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 05:33:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 234 transitions. [2024-11-09 05:33:47,425 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 234 transitions. Word has length 65 [2024-11-09 05:33:47,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:47,426 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 234 transitions. [2024-11-09 05:33:47,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 15 states have internal predecessors, (46), 0 states have call successors, (0), 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 05:33:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 234 transitions. [2024-11-09 05:33:47,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 05:33:47,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:47,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:33:47,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:47,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 05:33:47,628 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:33:47,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:47,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1238251787, now seen corresponding path program 1 times [2024-11-09 05:33:47,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:47,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348096813] [2024-11-09 05:33:47,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:47,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:33:47,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:33:47,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348096813] [2024-11-09 05:33:47,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348096813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:47,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827733308] [2024-11-09 05:33:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:47,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:47,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:47,884 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:47,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 05:33:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:48,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:33:48,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:33:48,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:33:48,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827733308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:33:48,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1053072641] [2024-11-09 05:33:48,987 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2024-11-09 05:33:48,987 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:33:48,988 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:33:48,988 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:33:48,988 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:33:51,841 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:35:29,297 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13627#(and (exists ((|v_ULTIMATE.start_mp_add_~r3~0#1_97| Int)) (<= 128 (mod |v_ULTIMATE.start_mp_add_~r3~0#1_97| 256))) (exists ((|v_ULTIMATE.start_mp_add_~i~0#1_130| Int) (|v_ULTIMATE.start_mp_add_~na~0#1_60| Int) (|v_ULTIMATE.start_mp_add_~r2~0#1_88| Int) (|v_ULTIMATE.start_mp_add_#t~bitwise1#1_50| Int) (|v_ULTIMATE.start_mp_add_~nb~0#1_47| Int) (|v_ULTIMATE.start_mp_add_~r1~0#1_84| Int) (|v_ULTIMATE.start_mp_add_~carry~0#1_106| Int) (|v_ULTIMATE.start_mp_add_~r0~0#1_81| Int)) (and (= |ULTIMATE.start_mp_add_~b1~0#1| 917073) (= 3582 |ULTIMATE.start_mp_add_~b2~0#1|) (<= 1 |#StackHeapBarrier|) (= |v_ULTIMATE.start_mp_add_~nb~0#1_47| 4) (<= (* 256 (mod |v_ULTIMATE.start_mp_add_~r1~0#1_84| 256)) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_50|) (<= 4 (mod |v_ULTIMATE.start_mp_add_~i~0#1_130| 256)) (= 234770789 |ULTIMATE.start_main_~b~0#1|) (exists ((|v_ULTIMATE.start_mp_add_~partial_sum~0#1_75| Int) (|v_ULTIMATE.start_mp_add_~partial_sum~0#1_208| Int) (|v_ULTIMATE.start_mp_add_~r1~0#1_83| Int) (|v_ULTIMATE.start_mp_add_~r0~0#1_80| Int) (|v_ULTIMATE.start_mp_add_~i~0#1_129| Int)) (and (= |v_ULTIMATE.start_mp_add_~r1~0#1_84| |v_ULTIMATE.start_mp_add_~r1~0#1_83|) (not (= 3 (mod |v_ULTIMATE.start_mp_add_~i~0#1_129| 256))) (= |v_ULTIMATE.start_mp_add_~r0~0#1_81| |v_ULTIMATE.start_mp_add_~r0~0#1_80|) (= |v_ULTIMATE.start_mp_add_~partial_sum~0#1_75| |v_ULTIMATE.start_mp_add_~partial_sum~0#1_208|) (= |v_ULTIMATE.start_mp_add_~carry~0#1_106| 0) (<= (mod |v_ULTIMATE.start_mp_add_~partial_sum~0#1_208| 65536) 255) (= (+ (mod |v_ULTIMATE.start_mp_add_~i~0#1_129| 256) 1) |v_ULTIMATE.start_mp_add_~i~0#1_130|))) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_50| |ULTIMATE.start_mp_add_#t~bitwise2#1|) (<= (* (mod |v_ULTIMATE.start_mp_add_~r2~0#1_88| 256) 65536) |ULTIMATE.start_mp_add_#t~bitwise2#1|) (= |v_ULTIMATE.start_mp_add_~na~0#1_60| 1) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_50| (+ (mod |v_ULTIMATE.start_mp_add_~r0~0#1_81| 256) (* 256 (mod |v_ULTIMATE.start_mp_add_~r1~0#1_84| 256)))) (<= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_81| 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_50|) (<= |ULTIMATE.start_mp_add_#t~bitwise2#1| (+ |v_ULTIMATE.start_mp_add_#t~bitwise1#1_50| (* (mod |v_ULTIMATE.start_mp_add_~r2~0#1_88| 256) 65536))) (= 234770789 |ULTIMATE.start_mp_add_~b0~0#1|) (= |ULTIMATE.start_mp_add_~b3~0#1| 13))))' at error location [2024-11-09 05:35:29,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:35:29,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:35:29,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 15 [2024-11-09 05:35:29,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806997833] [2024-11-09 05:35:29,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:35:29,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 05:35:29,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:29,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 05:35:29,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1268, Unknown=39, NotChecked=0, Total=1482 [2024-11-09 05:35:29,300 INFO L87 Difference]: Start difference. First operand 198 states and 234 transitions. Second operand has 15 states, 15 states have (on average 8.666666666666666) internal successors, (130), 15 states have internal predecessors, (130), 0 states have call successors, (0), 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 05:35:30,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:30,349 INFO L93 Difference]: Finished difference Result 490 states and 631 transitions. [2024-11-09 05:35:30,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:35:30,350 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.666666666666666) internal successors, (130), 15 states have internal predecessors, (130), 0 states have call successors, (0), 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 67 [2024-11-09 05:35:30,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:30,351 INFO L225 Difference]: With dead ends: 490 [2024-11-09 05:35:30,352 INFO L226 Difference]: Without dead ends: 341 [2024-11-09 05:35:30,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 171 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 796 ImplicationChecksByTransitivity, 98.2s TimeCoverageRelationStatistics Valid=310, Invalid=2101, Unknown=39, NotChecked=0, Total=2450 [2024-11-09 05:35:30,354 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 312 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:30,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 267 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:35:30,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-09 05:35:30,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 275. [2024-11-09 05:35:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 274 states have (on average 1.1386861313868613) internal successors, (312), 274 states have internal predecessors, (312), 0 states have call successors, (0), 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 05:35:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 312 transitions. [2024-11-09 05:35:30,394 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 312 transitions. Word has length 67 [2024-11-09 05:35:30,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:30,395 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 312 transitions. [2024-11-09 05:35:30,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.666666666666666) internal successors, (130), 15 states have internal predecessors, (130), 0 states have call successors, (0), 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 05:35:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 312 transitions. [2024-11-09 05:35:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:35:30,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:30,400 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:30,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 05:35:30,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:30,601 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:30,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:30,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1434323846, now seen corresponding path program 1 times [2024-11-09 05:35:30,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:30,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114879335] [2024-11-09 05:35:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:33,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:33,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114879335] [2024-11-09 05:35:33,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114879335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:33,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344666045] [2024-11-09 05:35:33,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:33,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:33,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:33,747 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:33,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 05:35:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:34,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 05:35:34,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:35,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:35:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:40,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344666045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:35:40,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [997776542] [2024-11-09 05:35:40,129 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2024-11-09 05:35:40,130 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:35:40,130 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:35:40,130 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:35:40,131 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:35:42,396 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:36:55,806 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '15016#(and (exists ((|v_ULTIMATE.start_mp_add_~r2~0#1_97| Int) (|v_ULTIMATE.start_mp_add_#t~bitwise1#1_52| Int)) (and (or (exists ((|v_ULTIMATE.start_mp_add_~r0~0#1_90| Int) (|v_ULTIMATE.start_mp_add_~r1~0#1_93| Int)) (and (= (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_93| 256) 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_52|) (= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_90| 256) 0))) (exists ((|v_ULTIMATE.start_mp_add_~r0~0#1_90| Int) (|v_ULTIMATE.start_mp_add_~r1~0#1_93| Int)) (and (<= (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_93| 256) 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_52|) (<= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_90| 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_52|) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_52| (+ (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_93| 256) 256) (mod |v_ULTIMATE.start_mp_add_~r0~0#1_90| 256))) (not (= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_90| 256) 0))))) (<= (* 65536 (mod |v_ULTIMATE.start_mp_add_~r2~0#1_97| 256)) |ULTIMATE.start_mp_add_#t~bitwise2#1|) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_52| |ULTIMATE.start_mp_add_#t~bitwise2#1|) (<= |ULTIMATE.start_mp_add_#t~bitwise2#1| (+ |v_ULTIMATE.start_mp_add_#t~bitwise1#1_52| (* 65536 (mod |v_ULTIMATE.start_mp_add_~r2~0#1_97| 256)))))) (exists ((|v_ULTIMATE.start_mp_add_~i~0#1_140| Int) (|v_ULTIMATE.start_mp_add_~nb~0#1_49| Int) (|v_ULTIMATE.start_mp_add_~carry~0#1_133| Int) (|v_ULTIMATE.start_mp_add_~na~0#1_67| Int)) (and (= |ULTIMATE.start_mp_add_~b1~0#1| 917073) (= 3582 |ULTIMATE.start_mp_add_~b2~0#1|) (= |v_ULTIMATE.start_mp_add_~na~0#1_67| 1) (<= 1 |#StackHeapBarrier|) (= 234770789 |ULTIMATE.start_main_~b~0#1|) (exists ((|v_ULTIMATE.start_mp_add_~i~0#1_139| Int)) (= |v_ULTIMATE.start_mp_add_~i~0#1_140| (+ (mod |v_ULTIMATE.start_mp_add_~i~0#1_139| 256) 1))) (= (mod |v_ULTIMATE.start_mp_add_~carry~0#1_133| 65536) 0) (= |v_ULTIMATE.start_mp_add_~nb~0#1_49| 4) (<= 4 (mod |v_ULTIMATE.start_mp_add_~i~0#1_140| 256)) (= 234770789 |ULTIMATE.start_mp_add_~b0~0#1|) (= |ULTIMATE.start_mp_add_~b3~0#1| 13))) (exists ((|v_ULTIMATE.start_mp_add_~r3~0#1_107| Int)) (<= 128 (mod |v_ULTIMATE.start_mp_add_~r3~0#1_107| 256))))' at error location [2024-11-09 05:36:55,806 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:36:55,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:36:55,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 43 [2024-11-09 05:36:55,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949517850] [2024-11-09 05:36:55,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:36:55,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-09 05:36:55,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:55,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-09 05:36:55,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=803, Invalid=4001, Unknown=26, NotChecked=0, Total=4830 [2024-11-09 05:36:55,809 INFO L87 Difference]: Start difference. First operand 275 states and 312 transitions. Second operand has 45 states, 44 states have (on average 5.590909090909091) internal successors, (246), 44 states have internal predecessors, (246), 0 states have call successors, (0), 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 05:37:06,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:06,679 INFO L93 Difference]: Finished difference Result 1147 states and 1311 transitions. [2024-11-09 05:37:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-09 05:37:06,679 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 5.590909090909091) internal successors, (246), 44 states have internal predecessors, (246), 0 states have call successors, (0), 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 82 [2024-11-09 05:37:06,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:06,683 INFO L225 Difference]: With dead ends: 1147 [2024-11-09 05:37:06,683 INFO L226 Difference]: Without dead ends: 1116 [2024-11-09 05:37:06,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 183 SyntacticMatches, 8 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4976 ImplicationChecksByTransitivity, 84.8s TimeCoverageRelationStatistics Valid=2593, Invalid=11187, Unknown=26, NotChecked=0, Total=13806 [2024-11-09 05:37:06,688 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 852 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:06,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 1119 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:37:06,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-11-09 05:37:06,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 385. [2024-11-09 05:37:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.1875) internal successors, (456), 384 states have internal predecessors, (456), 0 states have call successors, (0), 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 05:37:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 456 transitions. [2024-11-09 05:37:06,748 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 456 transitions. Word has length 82 [2024-11-09 05:37:06,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:06,748 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 456 transitions. [2024-11-09 05:37:06,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 5.590909090909091) internal successors, (246), 44 states have internal predecessors, (246), 0 states have call successors, (0), 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 05:37:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 456 transitions. [2024-11-09 05:37:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 05:37:06,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:06,750 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-09 05:37:06,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:06,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:06,950 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:06,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:06,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2014235252, now seen corresponding path program 1 times [2024-11-09 05:37:06,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:06,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469866608] [2024-11-09 05:37:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 05:37:07,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:37:07,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469866608] [2024-11-09 05:37:07,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469866608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:37:07,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225130818] [2024-11-09 05:37:07,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:07,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:07,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:07,182 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:07,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 05:37:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:07,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:37:07,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 60 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:37:07,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 05:37:07,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225130818] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:37:07,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:37:07,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2024-11-09 05:37:07,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752626704] [2024-11-09 05:37:07,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:07,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:37:07,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:07,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:37:07,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:37:07,647 INFO L87 Difference]: Start difference. First operand 385 states and 456 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:08,033 INFO L93 Difference]: Finished difference Result 1096 states and 1336 transitions. [2024-11-09 05:37:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:37:08,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-09 05:37:08,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:08,037 INFO L225 Difference]: With dead ends: 1096 [2024-11-09 05:37:08,038 INFO L226 Difference]: Without dead ends: 748 [2024-11-09 05:37:08,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:37:08,039 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 95 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:08,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 127 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:37:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-09 05:37:08,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 604. [2024-11-09 05:37:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 603 states have (on average 1.1840796019900497) internal successors, (714), 603 states have internal predecessors, (714), 0 states have call successors, (0), 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 05:37:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 714 transitions. [2024-11-09 05:37:08,117 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 714 transitions. Word has length 88 [2024-11-09 05:37:08,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:08,117 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 714 transitions. [2024-11-09 05:37:08,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 714 transitions. [2024-11-09 05:37:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 05:37:08,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:08,119 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:37:08,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:08,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:08,320 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:08,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:08,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1232617465, now seen corresponding path program 1 times [2024-11-09 05:37:08,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:08,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699572932] [2024-11-09 05:37:08,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:08,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 05:37:08,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:37:08,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699572932] [2024-11-09 05:37:08,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699572932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:08,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:08,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 05:37:08,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914383832] [2024-11-09 05:37:08,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:08,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:37:08,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:08,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:37:08,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:37:08,603 INFO L87 Difference]: Start difference. First operand 604 states and 714 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:09,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:09,162 INFO L93 Difference]: Finished difference Result 1659 states and 1956 transitions. [2024-11-09 05:37:09,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:37:09,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-09 05:37:09,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:09,167 INFO L225 Difference]: With dead ends: 1659 [2024-11-09 05:37:09,167 INFO L226 Difference]: Without dead ends: 1026 [2024-11-09 05:37:09,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:37:09,169 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 131 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:09,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 189 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:37:09,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-09 05:37:09,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 761. [2024-11-09 05:37:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 760 states have (on average 1.1828947368421052) internal successors, (899), 760 states have internal predecessors, (899), 0 states have call successors, (0), 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 05:37:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 899 transitions. [2024-11-09 05:37:09,274 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 899 transitions. Word has length 89 [2024-11-09 05:37:09,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:09,274 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 899 transitions. [2024-11-09 05:37:09,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 899 transitions. [2024-11-09 05:37:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 05:37:09,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:09,281 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:09,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:37:09,281 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:09,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:09,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1720470989, now seen corresponding path program 1 times [2024-11-09 05:37:09,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:09,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713363541] [2024-11-09 05:37:09,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:09,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:37:09,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:37:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:37:09,803 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:37:09,803 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:37:09,804 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2024-11-09 05:37:09,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2024-11-09 05:37:09,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2024-11-09 05:37:09,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2024-11-09 05:37:09,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2024-11-09 05:37:09,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2024-11-09 05:37:09,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2024-11-09 05:37:09,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2024-11-09 05:37:09,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2024-11-09 05:37:09,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2024-11-09 05:37:09,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2024-11-09 05:37:09,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2024-11-09 05:37:09,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2024-11-09 05:37:09,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2024-11-09 05:37:09,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2024-11-09 05:37:09,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2024-11-09 05:37:09,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2024-11-09 05:37:09,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2024-11-09 05:37:09,810 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2024-11-09 05:37:09,811 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2024-11-09 05:37:09,811 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2024-11-09 05:37:09,811 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2024-11-09 05:37:09,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2024-11-09 05:37:09,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2024-11-09 05:37:09,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2024-11-09 05:37:09,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2024-11-09 05:37:09,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2024-11-09 05:37:09,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2024-11-09 05:37:09,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2024-11-09 05:37:09,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2024-11-09 05:37:09,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2024-11-09 05:37:09,813 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2024-11-09 05:37:09,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2024-11-09 05:37:09,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2024-11-09 05:37:09,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2024-11-09 05:37:09,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2024-11-09 05:37:09,814 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2024-11-09 05:37:09,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2024-11-09 05:37:09,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2024-11-09 05:37:09,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2024-11-09 05:37:09,815 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2024-11-09 05:37:09,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 05:37:09,819 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, 1] [2024-11-09 05:37:09,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:37:09,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:37:09 BoogieIcfgContainer [2024-11-09 05:37:09,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:37:09,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:37:09,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:37:09,924 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:37:09,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:00" (3/4) ... [2024-11-09 05:37:09,928 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:37:09,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:37:09,930 INFO L158 Benchmark]: Toolchain (without parser) took 251576.00ms. Allocated memory was 151.0MB in the beginning and 400.6MB in the end (delta: 249.6MB). Free memory was 111.2MB in the beginning and 331.9MB in the end (delta: -220.7MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-09 05:37:09,930 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 151.0MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:37:09,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.46ms. Allocated memory is still 151.0MB. Free memory was 110.7MB in the beginning and 95.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:37:09,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.21ms. Allocated memory is still 151.0MB. Free memory was 95.7MB in the beginning and 91.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:37:09,931 INFO L158 Benchmark]: Boogie Preprocessor took 78.03ms. Allocated memory is still 151.0MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:37:09,931 INFO L158 Benchmark]: RCFGBuilder took 1278.92ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 89.4MB in the beginning and 151.1MB in the end (delta: -61.7MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-09 05:37:09,932 INFO L158 Benchmark]: TraceAbstraction took 249543.88ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 150.1MB in the beginning and 331.9MB in the end (delta: -181.8MB). Peak memory consumption was 238.8MB. Max. memory is 16.1GB. [2024-11-09 05:37:09,932 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 400.6MB. Free memory is still 331.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:37:09,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 151.0MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.46ms. Allocated memory is still 151.0MB. Free memory was 110.7MB in the beginning and 95.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.21ms. Allocated memory is still 151.0MB. Free memory was 95.7MB in the beginning and 91.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.03ms. Allocated memory is still 151.0MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1278.92ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 89.4MB in the beginning and 151.1MB in the end (delta: -61.7MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * TraceAbstraction took 249543.88ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 150.1MB in the beginning and 331.9MB in the end (delta: -181.8MB). Peak memory consumption was 238.8MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 400.6MB. Free memory is still 331.9MB. There was no memory consumed. 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 - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 116. Possible FailurePath: [L124] unsigned int a, b, r; [L125] a = __VERIFIER_nondet_uint() [L127] b = 234770789 [L129] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, na=4] [L68] nb = (unsigned char)4 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=237] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=237] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=237] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=237] [L89] COND TRUE i < nb VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=237] [L90] COND TRUE i == (unsigned char)0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=237] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=338] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=338] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=338] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=338] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=1, i=0, na=4, nb=4, r0=82, r1=82, r2=234770791, r3=234770790] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=1, i=1, na=4, nb=4, r0=82, r1=82, r2=234770791, r3=234770790] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=1, i=1, na=4, nb=4, r0=82, r1=82, r2=234770791, r3=234770790] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L83] COND TRUE i < na VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L85] COND TRUE i == (unsigned char)1 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L89] COND TRUE i < nb VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L91] COND TRUE i == (unsigned char)1 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=82, r1=82, r2=234770791, r3=234770790] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=82, r1=82, r2=234770791, r3=234770790] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=82, r1=82, r2=234770791, r3=234770790] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=82, r1=82, r2=234770791, r3=234770790] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) [L99] COND FALSE !(i == (unsigned char)0) [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=1, na=4, nb=4, r0=82, r1=82, r2=234770791, r3=234770790] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, r0=82, r1=82, r2=234770791, r3=234770790] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, r0=82, r1=82, r2=234770791, r3=234770790] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L83] COND TRUE i < na VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L86] COND TRUE i == (unsigned char)2 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L89] COND TRUE i < nb VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L92] COND TRUE i == (unsigned char)2 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=234770791, r3=234770790] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=82, r1=82, r2=234770791, r3=234770790] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=254, r0=82, r1=82, r2=234770791, r3=234770790] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) [L99] COND FALSE !(i == (unsigned char)0) [L100] COND FALSE !(i == (unsigned char)1) [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=2, na=4, nb=4, r0=82, r1=82, r2=254, r3=234770790] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, r0=82, r1=82, r2=254, r3=234770790] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, r0=82, r1=82, r2=254, r3=234770790] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=254, r3=234770790] [L83] COND TRUE i < na VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=254, r3=234770790] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=254, r3=234770790] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=254, r3=234770790] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=254, r3=234770790] [L87] COND TRUE i == (unsigned char)3 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=0, r0=82, r1=82, r2=254, r3=234770790] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=115, r0=82, r1=82, r2=254, r3=234770790] [L89] COND TRUE i < nb VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=115, r0=82, r1=82, r2=254, r3=234770790] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=115, r0=82, r1=82, r2=254, r3=234770790] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=115, r0=82, r1=82, r2=254, r3=234770790] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=115, r0=82, r1=82, r2=254, r3=234770790] [L93] COND TRUE i == (unsigned char)3 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=115, r0=82, r1=82, r2=254, r3=234770790] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=128, r0=82, r1=82, r2=254, r3=234770790] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) [L99] COND FALSE !(i == (unsigned char)0) [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=3, na=4, nb=4, r0=82, r1=82, r2=254, r3=128] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, carry=0, i=4, na=4, nb=4, r0=82, r1=82, r2=254, r3=128] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, i=4, r0=82, r1=82, r2=254, r3=128] [L107] COND TRUE i < (unsigned char)4 VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, r0=82, r1=82, r2=254, r3=128] [L116] EXPR r1 << 8U [L116] EXPR r0 | (r1 << 8U) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, r2=254, r3=128] [L116] EXPR r2 << 16U [L116] r0 | (r1 << 8U) | (r2 << 16U) VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13, r3=128] [L116] r3 << 24U VAL [a0=-2365587219, a1=7536640, a2=29440, a3=115, b0=234770789, b1=917073, b2=3582, b3=13] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 249.3s, OverallIterations: 23, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3912 SdHoareTripleChecker+Valid, 10.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3912 mSDsluCounter, 8473 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6551 mSDsCounter, 271 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6383 IncrementalHoareTripleChecker+Invalid, 6654 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 271 mSolverCounterUnsat, 1922 mSDtfsCounter, 6383 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2247 GetRequests, 1777 SyntacticMatches, 34 SemanticMatches, 436 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8218 ImplicationChecksByTransitivity, 204.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=761occurred in iteration=22, InterpolantAutomatonStates: 223, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 2622 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 23.8s InterpolantComputationTime, 1945 NumberOfCodeBlocks, 1945 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 2457 ConstructedInterpolants, 0 QuantifiedInterpolants, 18313 SizeOfPredicates, 63 NumberOfNonLiveVariables, 1932 ConjunctsInSsa, 207 ConjunctsInUnsatCore, 48 InterpolantComputations, 13 PerfectInterpolantSequences, 857/1303 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: OVERALL_TIME: 2.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 151, DAG_INTERPRETER_EARLY_EXITS: 19, TOOLS_POST_APPLICATIONS: 204, TOOLS_POST_TIME: 2.0s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 187, TOOLS_QUANTIFIERELIM_TIME: 1.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 343, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 151, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 0.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 11974, DAG_COMPRESSION_RETAINED_NODES: 721, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:37:10,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/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_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/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 8b7afe619831a9e012e7620d6e0b03d3495f1fd3efb2bdea6bfa4bb1568774e6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:37:12,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:37:12,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2024-11-09 05:37:12,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:37:12,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:37:12,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:37:12,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:37:12,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:37:12,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:37:12,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:37:12,817 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:37:12,817 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:37:12,818 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:37:12,822 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:37:12,822 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:37:12,822 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:37:12,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:37:12,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:37:12,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:37:12,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:37:12,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:37:12,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:37:12,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:37:12,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:37:12,827 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:37:12,828 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:37:12,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:37:12,830 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:37:12,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:37:12,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:37:12,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:37:12,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:37:12,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:37:12,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:37:12,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:37:12,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:37:12,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:37:12,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:37:12,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:37:12,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:37:12,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:37:12,836 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:37:12,836 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:12,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:37:12,837 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:37:12,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3728310b-c7c8-495a-94fa-f0fa947509ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b7afe619831a9e012e7620d6e0b03d3495f1fd3efb2bdea6bfa4bb1568774e6 [2024-11-09 05:37:13,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:37:13,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:37:13,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:37:13,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:37:13,359 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:37:13,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/bitvector/byte_add_2-1.i Unable to find full path for "g++" [2024-11-09 05:37:15,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:37:15,903 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:37:15,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/sv-benchmarks/c/bitvector/byte_add_2-1.i [2024-11-09 05:37:15,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/data/9016bbca7/ef6e17dd0d7842bb9d39cad1893a0dd0/FLAG66ba0e618 [2024-11-09 05:37:16,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/data/9016bbca7/ef6e17dd0d7842bb9d39cad1893a0dd0 [2024-11-09 05:37:16,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:37:16,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:37:16,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:37:16,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:37:16,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:37:16,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f95742d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16, skipping insertion in model container [2024-11-09 05:37:16,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:37:16,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:37:16,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:37:16,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:37:16,694 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:37:16,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16 WrapperNode [2024-11-09 05:37:16,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:37:16,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:37:16,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:37:16,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:37:16,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,769 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2024-11-09 05:37:16,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:37:16,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:37:16,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:37:16,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:37:16,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:37:16,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:37:16,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:37:16,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:37:16,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (1/1) ... [2024-11-09 05:37:16,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:37:16,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:16,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:37:16,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:37:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:37:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:37:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:37:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:37:17,052 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:37:17,055 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:37:17,793 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 05:37:17,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:37:17,821 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:37:17,824 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:37:17,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:37:17 BoogieIcfgContainer [2024-11-09 05:37:17,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:37:17,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:37:17,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:37:17,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:37:17,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:37:16" (1/3) ... [2024-11-09 05:37:17,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d82126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:37:17, skipping insertion in model container [2024-11-09 05:37:17,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:37:16" (2/3) ... [2024-11-09 05:37:17,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d82126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:37:17, skipping insertion in model container [2024-11-09 05:37:17,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:37:17" (3/3) ... [2024-11-09 05:37:17,839 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_2-1.i [2024-11-09 05:37:17,870 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:37:17,870 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-11-09 05:37:18,004 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:37:18,015 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;@77341532, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:37:18,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-11-09 05:37:18,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 82 states have (on average 1.8780487804878048) internal successors, (154), 123 states have internal predecessors, (154), 0 states have call successors, (0), 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 05:37:18,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:37:18,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:18,030 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:37:18,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:18,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:18,039 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2024-11-09 05:37:18,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:18,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870538699] [2024-11-09 05:37:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:18,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:18,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:18,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:18,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:37:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:18,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:37:18,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:18,162 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 05:37:18,163 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:18,164 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:18,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870538699] [2024-11-09 05:37:18,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870538699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:18,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:18,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:37:18,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993533527] [2024-11-09 05:37:18,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:18,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:37:18,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:18,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:37:18,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:37:18,217 INFO L87 Difference]: Start difference. First operand has 124 states, 82 states have (on average 1.8780487804878048) internal successors, (154), 123 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:18,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:18,254 INFO L93 Difference]: Finished difference Result 128 states and 157 transitions. [2024-11-09 05:37:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:37:18,257 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 05:37:18,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:18,272 INFO L225 Difference]: With dead ends: 128 [2024-11-09 05:37:18,272 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 05:37:18,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:37:18,286 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:18,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:37:18,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 05:37:18,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-09 05:37:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.3918918918918919) internal successors, (103), 74 states have internal predecessors, (103), 0 states have call successors, (0), 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 05:37:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 103 transitions. [2024-11-09 05:37:18,339 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 103 transitions. Word has length 4 [2024-11-09 05:37:18,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:18,341 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 103 transitions. [2024-11-09 05:37:18,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:18,341 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-11-09 05:37:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 05:37:18,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:18,343 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:18,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:37:18,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:18,545 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:18,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:18,546 INFO L85 PathProgramCache]: Analyzing trace with hash 204792652, now seen corresponding path program 1 times [2024-11-09 05:37:18,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:18,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248837009] [2024-11-09 05:37:18,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:18,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:18,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:18,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:18,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:37:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:18,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:37:18,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:18,730 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 05:37:18,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:18,731 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:18,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248837009] [2024-11-09 05:37:18,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1248837009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:18,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:18,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:37:18,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226521038] [2024-11-09 05:37:18,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:18,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:37:18,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:18,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:37:18,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:37:18,740 INFO L87 Difference]: Start difference. First operand 75 states and 103 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:19,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:19,174 INFO L93 Difference]: Finished difference Result 193 states and 280 transitions. [2024-11-09 05:37:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:37:19,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-09 05:37:19,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:19,177 INFO L225 Difference]: With dead ends: 193 [2024-11-09 05:37:19,177 INFO L226 Difference]: Without dead ends: 140 [2024-11-09 05:37:19,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 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 05:37:19,180 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 81 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:19,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 271 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:37:19,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-09 05:37:19,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2024-11-09 05:37:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3722627737226278) internal successors, (188), 137 states have internal predecessors, (188), 0 states have call successors, (0), 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 05:37:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 188 transitions. [2024-11-09 05:37:19,199 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 188 transitions. Word has length 17 [2024-11-09 05:37:19,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:19,199 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 188 transitions. [2024-11-09 05:37:19,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 188 transitions. [2024-11-09 05:37:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:37:19,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:19,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:19,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 05:37:19,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:19,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:19,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:19,407 INFO L85 PathProgramCache]: Analyzing trace with hash 410650920, now seen corresponding path program 1 times [2024-11-09 05:37:19,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:19,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219184293] [2024-11-09 05:37:19,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:19,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:19,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:19,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:19,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 05:37:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:19,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:37:19,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:19,593 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 05:37:19,593 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:19,593 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:19,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219184293] [2024-11-09 05:37:19,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219184293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:19,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:19,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:37:19,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496506386] [2024-11-09 05:37:19,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:19,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:37:19,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:19,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:37:19,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:37:19,598 INFO L87 Difference]: Start difference. First operand 138 states and 188 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:19,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:19,899 INFO L93 Difference]: Finished difference Result 256 states and 365 transitions. [2024-11-09 05:37:19,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:37:19,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 05:37:19,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:19,902 INFO L225 Difference]: With dead ends: 256 [2024-11-09 05:37:19,903 INFO L226 Difference]: Without dead ends: 203 [2024-11-09 05:37:19,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:37:19,908 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 173 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:19,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 449 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:37:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-09 05:37:19,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 138. [2024-11-09 05:37:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3722627737226278) internal successors, (188), 137 states have internal predecessors, (188), 0 states have call successors, (0), 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 05:37:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 188 transitions. [2024-11-09 05:37:19,942 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 188 transitions. Word has length 20 [2024-11-09 05:37:19,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:19,944 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 188 transitions. [2024-11-09 05:37:19,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 188 transitions. [2024-11-09 05:37:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:37:19,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:19,949 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:19,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:20,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:20,151 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:20,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:20,152 INFO L85 PathProgramCache]: Analyzing trace with hash -83001505, now seen corresponding path program 1 times [2024-11-09 05:37:20,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:20,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407319540] [2024-11-09 05:37:20,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:20,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:20,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:20,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:20,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 05:37:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:20,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:37:20,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:20,291 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 05:37:20,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:20,292 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:20,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407319540] [2024-11-09 05:37:20,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407319540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:20,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:20,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:37:20,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016836206] [2024-11-09 05:37:20,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:20,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:37:20,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:20,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:37:20,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:37:20,295 INFO L87 Difference]: Start difference. First operand 138 states and 188 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:20,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:20,570 INFO L93 Difference]: Finished difference Result 319 states and 450 transitions. [2024-11-09 05:37:20,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:37:20,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 05:37:20,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:20,573 INFO L225 Difference]: With dead ends: 319 [2024-11-09 05:37:20,574 INFO L226 Difference]: Without dead ends: 266 [2024-11-09 05:37:20,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 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 05:37:20,577 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 238 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:20,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 760 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:37:20,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-09 05:37:20,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 138. [2024-11-09 05:37:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3722627737226278) internal successors, (188), 137 states have internal predecessors, (188), 0 states have call successors, (0), 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 05:37:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 188 transitions. [2024-11-09 05:37:20,599 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 188 transitions. Word has length 23 [2024-11-09 05:37:20,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:20,600 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 188 transitions. [2024-11-09 05:37:20,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 188 transitions. [2024-11-09 05:37:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 05:37:20,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:20,602 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:20,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:20,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:20,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:20,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:20,806 INFO L85 PathProgramCache]: Analyzing trace with hash 588862139, now seen corresponding path program 1 times [2024-11-09 05:37:20,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:20,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532861513] [2024-11-09 05:37:20,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:20,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:20,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:20,811 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:20,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 05:37:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:20,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:37:20,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:20,994 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 05:37:20,998 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:20,998 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:20,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532861513] [2024-11-09 05:37:20,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532861513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:21,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:21,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 05:37:21,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171194101] [2024-11-09 05:37:21,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:21,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:37:21,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:21,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:37:21,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:37:21,003 INFO L87 Difference]: Start difference. First operand 138 states and 188 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 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 05:37:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:21,577 INFO L93 Difference]: Finished difference Result 326 states and 455 transitions. [2024-11-09 05:37:21,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:37:21,578 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2024-11-09 05:37:21,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:21,580 INFO L225 Difference]: With dead ends: 326 [2024-11-09 05:37:21,580 INFO L226 Difference]: Without dead ends: 273 [2024-11-09 05:37:21,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:37:21,583 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 260 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:21,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1131 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 05:37:21,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-09 05:37:21,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 145. [2024-11-09 05:37:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 144 states have (on average 1.3402777777777777) internal successors, (193), 144 states have internal predecessors, (193), 0 states have call successors, (0), 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 05:37:21,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 193 transitions. [2024-11-09 05:37:21,598 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 193 transitions. Word has length 25 [2024-11-09 05:37:21,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:21,599 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 193 transitions. [2024-11-09 05:37:21,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 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 05:37:21,599 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2024-11-09 05:37:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 05:37:21,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:21,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:21,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-09 05:37:21,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:21,805 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:21,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:21,806 INFO L85 PathProgramCache]: Analyzing trace with hash 440224391, now seen corresponding path program 1 times [2024-11-09 05:37:21,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:21,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886613517] [2024-11-09 05:37:21,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:21,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:21,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:21,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:21,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 05:37:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:21,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:37:21,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:21,925 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:21,926 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:21,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886613517] [2024-11-09 05:37:21,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886613517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:21,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:21,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:37:21,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185263283] [2024-11-09 05:37:21,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:21,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:37:21,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:21,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:37:21,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:37:21,929 INFO L87 Difference]: Start difference. First operand 145 states and 193 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 05:37:22,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:22,145 INFO L93 Difference]: Finished difference Result 365 states and 499 transitions. [2024-11-09 05:37:22,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:37:22,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2024-11-09 05:37:22,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:22,148 INFO L225 Difference]: With dead ends: 365 [2024-11-09 05:37:22,148 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 05:37:22,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 05:37:22,151 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 52 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:22,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 279 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:37:22,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 05:37:22,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 246. [2024-11-09 05:37:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 245 states have (on average 1.3387755102040817) internal successors, (328), 245 states have internal predecessors, (328), 0 states have call successors, (0), 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 05:37:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 328 transitions. [2024-11-09 05:37:22,190 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 328 transitions. Word has length 34 [2024-11-09 05:37:22,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:22,191 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 328 transitions. [2024-11-09 05:37:22,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 05:37:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2024-11-09 05:37:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 05:37:22,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:22,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:22,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-09 05:37:22,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:22,399 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:22,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:22,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1390233254, now seen corresponding path program 1 times [2024-11-09 05:37:22,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:22,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192946868] [2024-11-09 05:37:22,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:22,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:22,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:22,408 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:22,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 05:37:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:22,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:37:22,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:37:22,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:22,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:22,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192946868] [2024-11-09 05:37:22,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192946868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:22,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:22,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:37:22,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674553711] [2024-11-09 05:37:22,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:22,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:37:22,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:22,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:37:22,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:37:22,513 INFO L87 Difference]: Start difference. First operand 246 states and 328 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 05:37:22,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:22,526 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2024-11-09 05:37:22,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:37:22,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2024-11-09 05:37:22,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:22,528 INFO L225 Difference]: With dead ends: 256 [2024-11-09 05:37:22,528 INFO L226 Difference]: Without dead ends: 126 [2024-11-09 05:37:22,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 05:37:22,531 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 75 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:22,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 77 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:37:22,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-09 05:37:22,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-09 05:37:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.296) internal successors, (162), 125 states have internal predecessors, (162), 0 states have call successors, (0), 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 05:37:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 162 transitions. [2024-11-09 05:37:22,543 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 162 transitions. Word has length 37 [2024-11-09 05:37:22,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:22,549 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 162 transitions. [2024-11-09 05:37:22,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 05:37:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2024-11-09 05:37:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 05:37:22,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:22,551 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:22,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-09 05:37:22,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:22,753 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:22,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:22,755 INFO L85 PathProgramCache]: Analyzing trace with hash -558479339, now seen corresponding path program 1 times [2024-11-09 05:37:22,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:22,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508114563] [2024-11-09 05:37:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:22,761 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:22,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 05:37:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:22,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:37:22,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:23,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:23,049 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:23,049 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:23,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508114563] [2024-11-09 05:37:23,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508114563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:23,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:23,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:37:23,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193066577] [2024-11-09 05:37:23,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:23,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:37:23,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:23,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:37:23,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:37:23,053 INFO L87 Difference]: Start difference. First operand 126 states and 162 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 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 05:37:23,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:23,358 INFO L93 Difference]: Finished difference Result 271 states and 362 transitions. [2024-11-09 05:37:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:37:23,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2024-11-09 05:37:23,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:23,360 INFO L225 Difference]: With dead ends: 271 [2024-11-09 05:37:23,360 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 05:37:23,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 05:37:23,364 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 70 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:23,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 231 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:37:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 05:37:23,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2024-11-09 05:37:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.2821782178217822) internal successors, (259), 202 states have internal predecessors, (259), 0 states have call successors, (0), 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 05:37:23,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 259 transitions. [2024-11-09 05:37:23,388 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 259 transitions. Word has length 40 [2024-11-09 05:37:23,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:23,388 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 259 transitions. [2024-11-09 05:37:23,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 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 05:37:23,389 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2024-11-09 05:37:23,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 05:37:23,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:23,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:23,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 05:37:23,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:23,593 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:23,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:23,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1613870407, now seen corresponding path program 1 times [2024-11-09 05:37:23,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:23,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133212473] [2024-11-09 05:37:23,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:23,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:23,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:23,596 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:23,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-09 05:37:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:23,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:37:23,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:23,885 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:23,886 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:23,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133212473] [2024-11-09 05:37:23,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133212473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:23,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:23,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:37:23,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694041013] [2024-11-09 05:37:23,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:23,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:37:23,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:23,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:37:23,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:37:23,890 INFO L87 Difference]: Start difference. First operand 203 states and 259 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 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 05:37:24,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:24,246 INFO L93 Difference]: Finished difference Result 348 states and 459 transitions. [2024-11-09 05:37:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:37:24,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2024-11-09 05:37:24,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:24,248 INFO L225 Difference]: With dead ends: 348 [2024-11-09 05:37:24,248 INFO L226 Difference]: Without dead ends: 284 [2024-11-09 05:37:24,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:37:24,250 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 142 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:24,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 352 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:37:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-09 05:37:24,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 203. [2024-11-09 05:37:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.2821782178217822) internal successors, (259), 202 states have internal predecessors, (259), 0 states have call successors, (0), 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 05:37:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 259 transitions. [2024-11-09 05:37:24,264 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 259 transitions. Word has length 43 [2024-11-09 05:37:24,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:24,264 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 259 transitions. [2024-11-09 05:37:24,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 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 05:37:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2024-11-09 05:37:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 05:37:24,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:24,267 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:24,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-09 05:37:24,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:24,468 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:24,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:24,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1678493346, now seen corresponding path program 1 times [2024-11-09 05:37:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:24,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861975481] [2024-11-09 05:37:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:24,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:24,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:24,470 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:24,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-09 05:37:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:24,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:37:24,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:24,745 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:24,746 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:24,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861975481] [2024-11-09 05:37:24,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861975481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:24,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:24,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 05:37:24,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650712115] [2024-11-09 05:37:24,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:24,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:37:24,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:24,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:37:24,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:37:24,749 INFO L87 Difference]: Start difference. First operand 203 states and 259 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 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 05:37:25,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:25,346 INFO L93 Difference]: Finished difference Result 368 states and 480 transitions. [2024-11-09 05:37:25,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:37:25,347 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2024-11-09 05:37:25,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:25,350 INFO L225 Difference]: With dead ends: 368 [2024-11-09 05:37:25,350 INFO L226 Difference]: Without dead ends: 304 [2024-11-09 05:37:25,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:37:25,352 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 175 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:25,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 647 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 05:37:25,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-09 05:37:25,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 146. [2024-11-09 05:37:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 145 states have internal predecessors, (183), 0 states have call successors, (0), 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 05:37:25,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 183 transitions. [2024-11-09 05:37:25,368 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 183 transitions. Word has length 46 [2024-11-09 05:37:25,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:25,368 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 183 transitions. [2024-11-09 05:37:25,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 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 05:37:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 183 transitions. [2024-11-09 05:37:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 05:37:25,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:25,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:25,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-09 05:37:25,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:25,572 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:25,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:25,572 INFO L85 PathProgramCache]: Analyzing trace with hash 955378630, now seen corresponding path program 1 times [2024-11-09 05:37:25,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:25,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606106586] [2024-11-09 05:37:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:25,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:25,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:25,577 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:25,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-09 05:37:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:25,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:37:25,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:25,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:25,871 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:25,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606106586] [2024-11-09 05:37:25,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606106586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:25,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:37:25,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:37:25,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125648103] [2024-11-09 05:37:25,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:25,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:37:25,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:25,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:37:25,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:37:25,874 INFO L87 Difference]: Start difference. First operand 146 states and 183 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 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 05:37:26,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:26,047 INFO L93 Difference]: Finished difference Result 224 states and 288 transitions. [2024-11-09 05:37:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:37:26,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 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 05:37:26,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:26,049 INFO L225 Difference]: With dead ends: 224 [2024-11-09 05:37:26,049 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 05:37:26,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 05:37:26,051 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 89 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:26,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 106 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:37:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 05:37:26,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 162. [2024-11-09 05:37:26,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.2422360248447204) internal successors, (200), 161 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 05:37:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2024-11-09 05:37:26,062 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 48 [2024-11-09 05:37:26,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:26,063 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2024-11-09 05:37:26,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 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 05:37:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2024-11-09 05:37:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:37:26,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:26,065 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:37:26,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:26,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:26,266 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:26,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:26,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1654047344, now seen corresponding path program 1 times [2024-11-09 05:37:26,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:26,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [914477947] [2024-11-09 05:37:26,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:26,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:26,268 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:26,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-09 05:37:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:26,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:37:26,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:26,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:26,857 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:26,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [914477947] [2024-11-09 05:37:26,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [914477947] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:26,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2129181611] [2024-11-09 05:37:26,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:26,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:26,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:37:26,862 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:37:26,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 05:37:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:27,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:37:27,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 05:37:27,051 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:27,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2129181611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:27,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:37:27,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2024-11-09 05:37:27,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920064772] [2024-11-09 05:37:27,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:27,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:37:27,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:27,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:37:27,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:37:27,057 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:27,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:27,092 INFO L93 Difference]: Finished difference Result 217 states and 266 transitions. [2024-11-09 05:37:27,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:37:27,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-09 05:37:27,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:27,096 INFO L225 Difference]: With dead ends: 217 [2024-11-09 05:37:27,096 INFO L226 Difference]: Without dead ends: 206 [2024-11-09 05:37:27,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:37:27,098 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 5 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:27,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 151 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:37:27,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-09 05:37:27,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 190. [2024-11-09 05:37:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.2486772486772486) internal successors, (236), 189 states have internal predecessors, (236), 0 states have call successors, (0), 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 05:37:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 236 transitions. [2024-11-09 05:37:27,110 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 236 transitions. Word has length 63 [2024-11-09 05:37:27,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:27,112 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 236 transitions. [2024-11-09 05:37:27,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 236 transitions. [2024-11-09 05:37:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:37:27,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:27,114 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:37:27,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:27,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-09 05:37:27,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:27,520 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:27,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:27,521 INFO L85 PathProgramCache]: Analyzing trace with hash -340097362, now seen corresponding path program 1 times [2024-11-09 05:37:27,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:27,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223169624] [2024-11-09 05:37:27,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:27,522 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:27,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:27,526 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:27,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-09 05:37:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:27,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:37:27,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:27,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:28,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:28,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223169624] [2024-11-09 05:37:28,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223169624] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:28,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [786297316] [2024-11-09 05:37:28,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:28,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:28,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:37:28,095 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:37:28,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 05:37:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:28,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:37:28,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:28,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:28,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [786297316] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:28,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369403910] [2024-11-09 05:37:28,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:28,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:28,759 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:28,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 05:37:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:28,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:37:28,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:37:28,927 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:37:28,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369403910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:37:28,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-09 05:37:28,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6, 6, 6] total 12 [2024-11-09 05:37:28,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534442786] [2024-11-09 05:37:28,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:28,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:37:28,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:28,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:37:28,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:37:28,933 INFO L87 Difference]: Start difference. First operand 190 states and 236 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 05:37:29,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:29,117 INFO L93 Difference]: Finished difference Result 438 states and 567 transitions. [2024-11-09 05:37:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:37:29,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 05:37:29,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:29,120 INFO L225 Difference]: With dead ends: 438 [2024-11-09 05:37:29,120 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 05:37:29,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:37:29,121 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 27 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:29,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 153 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:37:29,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 05:37:29,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 228. [2024-11-09 05:37:29,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.2202643171806167) internal successors, (277), 227 states have internal predecessors, (277), 0 states have call successors, (0), 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 05:37:29,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2024-11-09 05:37:29,136 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 63 [2024-11-09 05:37:29,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:29,137 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2024-11-09 05:37:29,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 05:37:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2024-11-09 05:37:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 05:37:29,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:29,139 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:37:29,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:29,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:29,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:29,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:29,742 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:29,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:29,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1673591875, now seen corresponding path program 1 times [2024-11-09 05:37:29,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:29,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648535472] [2024-11-09 05:37:29,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:29,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:29,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:29,745 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:29,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-09 05:37:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:29,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:37:29,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:30,165 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:30,366 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:30,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648535472] [2024-11-09 05:37:30,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648535472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:30,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1523636139] [2024-11-09 05:37:30,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:30,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:30,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:37:30,370 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:37:30,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 05:37:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:30,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:37:30,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:30,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:30,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1523636139] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:30,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102686694] [2024-11-09 05:37:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:30,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:30,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:30,996 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:31,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 05:37:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:31,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:37:31,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:37:31,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:37:31,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102686694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:31,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:37:31,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 4, 4] total 12 [2024-11-09 05:37:31,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814998899] [2024-11-09 05:37:31,393 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:37:31,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:37:31,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:31,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:37:31,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:37:31,395 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand has 12 states, 12 states have (on average 17.666666666666668) internal successors, (212), 12 states have internal predecessors, (212), 0 states have call successors, (0), 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 05:37:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:32,777 INFO L93 Difference]: Finished difference Result 835 states and 1055 transitions. [2024-11-09 05:37:32,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:37:32,778 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.666666666666668) internal successors, (212), 12 states have internal predecessors, (212), 0 states have call successors, (0), 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 80 [2024-11-09 05:37:32,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:32,782 INFO L225 Difference]: With dead ends: 835 [2024-11-09 05:37:32,783 INFO L226 Difference]: Without dead ends: 626 [2024-11-09 05:37:32,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:37:32,785 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 267 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:32,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 401 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 05:37:32,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-09 05:37:32,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 496. [2024-11-09 05:37:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 495 states have (on average 1.2303030303030302) internal successors, (609), 495 states have internal predecessors, (609), 0 states have call successors, (0), 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 05:37:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 609 transitions. [2024-11-09 05:37:32,813 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 609 transitions. Word has length 80 [2024-11-09 05:37:32,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:32,814 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 609 transitions. [2024-11-09 05:37:32,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.666666666666668) internal successors, (212), 12 states have internal predecessors, (212), 0 states have call successors, (0), 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 05:37:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 609 transitions. [2024-11-09 05:37:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:37:32,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:32,816 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:37:32,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-09 05:37:33,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 05:37:33,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:33,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:33,419 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:33,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash -436067096, now seen corresponding path program 1 times [2024-11-09 05:37:33,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:33,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401499785] [2024-11-09 05:37:33,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:33,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:33,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:33,425 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:33,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-09 05:37:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:33,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:37:33,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:37:33,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:37:33,856 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:33,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401499785] [2024-11-09 05:37:33,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401499785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:33,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1597841431] [2024-11-09 05:37:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:33,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:33,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:37:33,861 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:37:33,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 05:37:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:34,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:37:34,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:37:34,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:37:34,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1597841431] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:34,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505532565] [2024-11-09 05:37:34,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:34,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:34,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:34,326 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:34,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 05:37:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:34,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:37:34,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:37:34,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:37:34,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505532565] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:37:34,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2024-11-09 05:37:34,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6, 6, 6, 6] total 16 [2024-11-09 05:37:34,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515378549] [2024-11-09 05:37:34,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:34,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:37:34,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:34,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:37:34,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:37:34,678 INFO L87 Difference]: Start difference. First operand 496 states and 609 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 05:37:34,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:34,926 INFO L93 Difference]: Finished difference Result 1003 states and 1288 transitions. [2024-11-09 05:37:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:37:34,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 82 [2024-11-09 05:37:34,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:34,932 INFO L225 Difference]: With dead ends: 1003 [2024-11-09 05:37:34,932 INFO L226 Difference]: Without dead ends: 687 [2024-11-09 05:37:34,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-09 05:37:34,934 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 101 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:34,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 101 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:37:34,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-09 05:37:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 586. [2024-11-09 05:37:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 585 states have (on average 1.3042735042735043) internal successors, (763), 585 states have internal predecessors, (763), 0 states have call successors, (0), 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 05:37:34,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 763 transitions. [2024-11-09 05:37:34,984 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 763 transitions. Word has length 82 [2024-11-09 05:37:34,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:34,985 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 763 transitions. [2024-11-09 05:37:34,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 05:37:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 763 transitions. [2024-11-09 05:37:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 05:37:34,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:34,989 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:34,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-09 05:37:35,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:35,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-09 05:37:35,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:35,590 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:35,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:35,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1226022207, now seen corresponding path program 1 times [2024-11-09 05:37:35,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:35,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97514032] [2024-11-09 05:37:35,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:35,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:35,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:35,593 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:35,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-09 05:37:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:35,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:37:35,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:37:35,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:37:36,002 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:36,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97514032] [2024-11-09 05:37:36,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97514032] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:36,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1159943238] [2024-11-09 05:37:36,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:36,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:36,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:37:36,007 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:37:36,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 05:37:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:36,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:37:36,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:36,327 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:37:36,327 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:37:36,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1159943238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:36,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835767664] [2024-11-09 05:37:36,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:36,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:36,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:36,457 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:36,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 05:37:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:36,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:37:36,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 05:37:36,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 05:37:37,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835767664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:37,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:37:37,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 20 [2024-11-09 05:37:37,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938728253] [2024-11-09 05:37:37,293 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:37:37,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 05:37:37,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:37,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 05:37:37,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:37:37,296 INFO L87 Difference]: Start difference. First operand 586 states and 763 transitions. Second operand has 20 states, 20 states have (on average 14.65) internal successors, (293), 20 states have internal predecessors, (293), 0 states have call successors, (0), 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 05:37:40,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:40,777 INFO L93 Difference]: Finished difference Result 4004 states and 5053 transitions. [2024-11-09 05:37:40,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-09 05:37:40,778 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 14.65) internal successors, (293), 20 states have internal predecessors, (293), 0 states have call successors, (0), 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 99 [2024-11-09 05:37:40,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:40,790 INFO L225 Difference]: With dead ends: 4004 [2024-11-09 05:37:40,790 INFO L226 Difference]: Without dead ends: 3396 [2024-11-09 05:37:40,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=855, Invalid=2685, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 05:37:40,793 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1146 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:40,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1678 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:37:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2024-11-09 05:37:40,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 889. [2024-11-09 05:37:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 888 states have (on average 1.3761261261261262) internal successors, (1222), 888 states have internal predecessors, (1222), 0 states have call successors, (0), 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 05:37:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1222 transitions. [2024-11-09 05:37:40,871 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1222 transitions. Word has length 99 [2024-11-09 05:37:40,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:40,871 INFO L471 AbstractCegarLoop]: Abstraction has 889 states and 1222 transitions. [2024-11-09 05:37:40,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 14.65) internal successors, (293), 20 states have internal predecessors, (293), 0 states have call successors, (0), 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 05:37:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1222 transitions. [2024-11-09 05:37:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 05:37:40,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:40,874 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 05:37:40,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:41,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:41,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-09 05:37:41,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:41,475 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:41,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:41,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1152580521, now seen corresponding path program 1 times [2024-11-09 05:37:41,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:41,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081335717] [2024-11-09 05:37:41,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:41,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:41,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:41,480 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:41,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-09 05:37:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:41,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:37:41,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:37:41,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 62 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:37:41,978 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:37:41,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081335717] [2024-11-09 05:37:41,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2081335717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:41,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1204006681] [2024-11-09 05:37:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:41,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:37:41,982 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:37:41,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 05:37:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:42,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:37:42,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:37:42,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 62 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:37:42,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1204006681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:42,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465819684] [2024-11-09 05:37:42,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:42,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:42,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:42,433 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:42,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 05:37:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:42,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:37:42,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-09 05:37:42,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:42,906 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:37:42,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465819684] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:37:42,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2024-11-09 05:37:42,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6, 6, 6, 7] total 18 [2024-11-09 05:37:42,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515636247] [2024-11-09 05:37:42,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:37:42,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:37:42,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:37:42,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:37:42,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:37:42,910 INFO L87 Difference]: Start difference. First operand 889 states and 1222 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:43,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:43,204 INFO L93 Difference]: Finished difference Result 1879 states and 2535 transitions. [2024-11-09 05:37:43,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:37:43,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-09 05:37:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:43,206 INFO L225 Difference]: With dead ends: 1879 [2024-11-09 05:37:43,206 INFO L226 Difference]: Without dead ends: 560 [2024-11-09 05:37:43,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 634 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:37:43,209 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 154 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:43,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 144 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:37:43,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-09 05:37:43,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 394. [2024-11-09 05:37:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 393 states have (on average 1.3027989821882953) internal successors, (512), 393 states have internal predecessors, (512), 0 states have call successors, (0), 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 05:37:43,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 512 transitions. [2024-11-09 05:37:43,237 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 512 transitions. Word has length 109 [2024-11-09 05:37:43,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:43,237 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 512 transitions. [2024-11-09 05:37:43,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 512 transitions. [2024-11-09 05:37:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 05:37:43,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:43,239 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:43,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:43,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 05:37:43,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:43,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:37:43,841 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:43,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:43,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1344890926, now seen corresponding path program 1 times [2024-11-09 05:37:43,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:37:43,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641992194] [2024-11-09 05:37:43,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:43,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:43,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:37:43,845 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:37:43,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-09 05:37:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:37:43,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:37:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:37:44,017 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 05:37:44,017 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:37:44,018 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2024-11-09 05:37:44,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2024-11-09 05:37:44,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2024-11-09 05:37:44,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2024-11-09 05:37:44,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2024-11-09 05:37:44,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2024-11-09 05:37:44,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2024-11-09 05:37:44,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2024-11-09 05:37:44,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2024-11-09 05:37:44,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2024-11-09 05:37:44,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2024-11-09 05:37:44,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2024-11-09 05:37:44,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2024-11-09 05:37:44,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2024-11-09 05:37:44,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2024-11-09 05:37:44,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2024-11-09 05:37:44,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2024-11-09 05:37:44,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2024-11-09 05:37:44,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2024-11-09 05:37:44,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2024-11-09 05:37:44,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2024-11-09 05:37:44,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2024-11-09 05:37:44,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2024-11-09 05:37:44,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2024-11-09 05:37:44,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2024-11-09 05:37:44,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2024-11-09 05:37:44,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2024-11-09 05:37:44,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2024-11-09 05:37:44,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2024-11-09 05:37:44,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2024-11-09 05:37:44,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2024-11-09 05:37:44,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2024-11-09 05:37:44,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2024-11-09 05:37:44,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2024-11-09 05:37:44,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2024-11-09 05:37:44,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2024-11-09 05:37:44,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2024-11-09 05:37:44,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2024-11-09 05:37:44,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2024-11-09 05:37:44,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2024-11-09 05:37:44,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2024-11-09 05:37:44,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2024-11-09 05:37:44,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:37:44,232 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:44,326 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:37:44,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:37:44 BoogieIcfgContainer [2024-11-09 05:37:44,330 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:37:44,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:37:44,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:37:44,332 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:37:44,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:37:17" (3/4) ... [2024-11-09 05:37:44,334 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 05:37:44,444 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:37:44,445 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:37:44,445 INFO L158 Benchmark]: Toolchain (without parser) took 28197.26ms. Allocated memory was 79.7MB in the beginning and 188.7MB in the end (delta: 109.1MB). Free memory was 59.4MB in the beginning and 154.5MB in the end (delta: -95.1MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2024-11-09 05:37:44,446 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 55.5MB in the end (delta: 148.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:37:44,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.24ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 44.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:37:44,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.82ms. Allocated memory is still 79.7MB. Free memory was 44.1MB in the beginning and 41.7MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:37:44,447 INFO L158 Benchmark]: Boogie Preprocessor took 47.17ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 39.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:37:44,447 INFO L158 Benchmark]: RCFGBuilder took 1007.16ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 37.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:37:44,448 INFO L158 Benchmark]: TraceAbstraction took 26503.03ms. Allocated memory was 79.7MB in the beginning and 188.7MB in the end (delta: 109.1MB). Free memory was 36.7MB in the beginning and 53.3MB in the end (delta: -16.7MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2024-11-09 05:37:44,448 INFO L158 Benchmark]: Witness Printer took 113.59ms. Allocated memory is still 188.7MB. Free memory was 53.3MB in the beginning and 154.5MB in the end (delta: -101.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:37:44,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 55.5MB in the end (delta: 148.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.24ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 44.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.82ms. Allocated memory is still 79.7MB. Free memory was 44.1MB in the beginning and 41.7MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.17ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 39.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.16ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 37.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26503.03ms. Allocated memory was 79.7MB in the beginning and 188.7MB in the end (delta: 109.1MB). Free memory was 36.7MB in the beginning and 53.3MB in the end (delta: -16.7MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. * Witness Printer took 113.59ms. Allocated memory is still 188.7MB. Free memory was 53.3MB in the beginning and 154.5MB in the end (delta: -101.2MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 116]: integer overflow possible integer overflow possible We found a FailurePath: [L124] unsigned int a, b, r; [L125] a = __VERIFIER_nondet_uint() [L127] b = 234770789 [L129] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, na=4] [L68] nb = (unsigned char)4 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=192] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=192] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=192] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=192] [L89] COND TRUE i < nb VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=192] [L90] COND TRUE i == (unsigned char)0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=192] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=293] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=293] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=293] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=0, na=4, nb=4, partial_sum=293] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=0, na=4, nb=4, partial_sum=37] [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=0, na=4, nb=4, partial_sum=37, r0=37] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=0, na=4, nb=4, partial_sum=37, r0=37] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=0, na=4, nb=4, partial_sum=37, r0=37] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=0, na=4, nb=4, partial_sum=37, r0=37] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=1, na=4, nb=4, partial_sum=37, r0=37] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=1, na=4, nb=4, partial_sum=37, r0=37] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=37] [L83] COND TRUE i < na VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=37] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=37] [L85] COND TRUE i == (unsigned char)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=37] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=193, r0=37] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=193, r0=37] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=193, r0=37] [L89] COND TRUE i < nb VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=193, r0=37] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=193, r0=37] [L91] COND TRUE i == (unsigned char)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=193, r0=37] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=274, r0=37] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=274, r0=37] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=1, na=4, nb=4, partial_sum=274, r0=37] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37] [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=2, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=2, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L83] COND TRUE i < na VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L86] COND TRUE i == (unsigned char)2 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=129, r0=37, r1=18] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=129, r0=37, r1=18] [L89] COND TRUE i < nb VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=129, r0=37, r1=18] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=129, r0=37, r1=18] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=129, r0=37, r1=18] [L92] COND TRUE i == (unsigned char)2 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=129, r0=37, r1=18] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=383, r0=37, r1=18] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=2, na=4, nb=4, partial_sum=383, r0=37, r1=18] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18] [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18, r2=127] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18, r2=127] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=3, na=4, nb=4, partial_sum=127, r0=37, r1=18, r2=127] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=1, i=3, na=4, nb=4, partial_sum=127, r0=37, r1=18, r2=127] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L83] COND TRUE i < na VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L87] COND TRUE i == (unsigned char)3 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=129, r0=37, r1=18, r2=127] [L89] COND TRUE i < nb VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=129, r0=37, r1=18, r2=127] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=129, r0=37, r1=18, r2=127] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=129, r0=37, r1=18, r2=127] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=129, r0=37, r1=18, r2=127] [L93] COND TRUE i == (unsigned char)3 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=129, r0=37, r1=18, r2=127] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=3, na=4, nb=4, r0=37, r1=18, r2=127, r3=-114] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, carry=0, i=4, na=4, nb=4, r0=37, r1=18, r2=127, r3=-114] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, i=4, r0=37, r1=18, r2=127, r3=-114] [L107] COND TRUE i < (unsigned char)4 VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, r0=37, r1=18, r2=127, r3=-114] [L116] r1 << 8U VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, r0=37, r1=18, r2=127, r3=-114] [L116] r2 << 16U VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, r0=37, r1=18, r2=127, r3=-114] [L116] r3 << 24U VAL [a0=-64, a1=-64, a2=-128, a3=-128, b0=101, b1=81, b2=-2, b3=13, r0=37, r1=18, r2=127] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 26.3s, OverallIterations: 18, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3055 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3055 mSDsluCounter, 7042 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5018 mSDsCounter, 323 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4139 IncrementalHoareTripleChecker+Invalid, 4462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 323 mSolverCounterUnsat, 2024 mSDtfsCounter, 4139 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3078 GetRequests, 2911 SyntacticMatches, 1 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=889occurred in iteration=16, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 3533 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1871 NumberOfCodeBlocks, 1871 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3018 ConstructedInterpolants, 0 QuantifiedInterpolants, 12996 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2907 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 43 InterpolantComputations, 15 PerfectInterpolantSequences, 1516/1974 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-09 05:37:44,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3728310b-c7c8-495a-94fa-f0fa947509ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)