./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/ps6-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-nla/ps6-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 32e66fa5ba3b1091e41b22524f2240292238d833cea4ffc730b1e622c7455b67 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:48:08,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:48:08,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:48:08,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:48:08,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:48:08,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:48:08,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:48:08,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:48:08,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:48:08,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:48:08,803 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:48:08,803 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:48:08,804 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:48:08,807 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:48:08,808 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:48:08,808 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:48:08,809 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:48:08,809 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:48:08,809 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:48:08,810 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:48:08,810 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:48:08,813 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:48:08,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:48:08,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:48:08,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:48:08,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:48:08,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:48:08,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:48:08,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:48:08,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:48:08,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:48:08,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:48:08,818 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:48:08,819 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:48:08,819 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:48:08,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:48:08,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:48:08,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:48:08,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:48:08,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:48:08,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:08,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:48:08,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:48:08,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:48:08,823 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:48:08,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:48:08,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:48:08,824 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:48:08,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:48:08,824 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_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32e66fa5ba3b1091e41b22524f2240292238d833cea4ffc730b1e622c7455b67 [2024-11-09 05:48:09,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:48:09,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:48:09,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:48:09,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:48:09,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:48:09,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/termination-nla/ps6-both-nt.c Unable to find full path for "g++" [2024-11-09 05:48:11,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:48:11,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:48:11,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/sv-benchmarks/c/termination-nla/ps6-both-nt.c [2024-11-09 05:48:11,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/data/5816374d5/1e93e64ba92b4ec9ad6a1db349c1f4f1/FLAGe7d706f04 [2024-11-09 05:48:11,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/data/5816374d5/1e93e64ba92b4ec9ad6a1db349c1f4f1 [2024-11-09 05:48:11,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:48:11,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:48:11,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:11,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:48:11,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:48:11,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c73b331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11, skipping insertion in model container [2024-11-09 05:48:11,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:48:11,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:11,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:48:11,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:11,530 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:48:11,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11 WrapperNode [2024-11-09 05:48:11,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:11,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:11,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:48:11,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:48:11,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,569 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2024-11-09 05:48:11,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:11,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:48:11,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:48:11,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:48:11,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:48:11,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:48:11,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:48:11,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:48:11,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (1/1) ... [2024-11-09 05:48:11,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:11,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:11,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:48:11,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:48:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:48:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:48:11,711 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:48:11,712 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:48:12,150 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-09 05:48:12,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:48:12,193 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:48:12,193 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:48:12,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:12 BoogieIcfgContainer [2024-11-09 05:48:12,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:48:12,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:48:12,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:48:12,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:48:12,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:48:11" (1/3) ... [2024-11-09 05:48:12,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d1015d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:12, skipping insertion in model container [2024-11-09 05:48:12,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:11" (2/3) ... [2024-11-09 05:48:12,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d1015d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:12, skipping insertion in model container [2024-11-09 05:48:12,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:12" (3/3) ... [2024-11-09 05:48:12,208 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-both-nt.c [2024-11-09 05:48:12,228 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:48:12,228 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-09 05:48:12,301 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:48:12,307 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;@432c048e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:48:12,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-09 05:48:12,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 60 states have (on average 1.9666666666666666) internal successors, (118), 116 states have internal predecessors, (118), 0 states have call successors, (0), 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 05:48:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:48:12,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:12,318 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:48:12,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:12,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:12,325 INFO L85 PathProgramCache]: Analyzing trace with hash 161769, now seen corresponding path program 1 times [2024-11-09 05:48:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:12,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873683932] [2024-11-09 05:48:12,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:12,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:12,523 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 05:48:12,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:12,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873683932] [2024-11-09 05:48:12,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873683932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:12,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:12,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:48:12,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044337360] [2024-11-09 05:48:12,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:12,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:12,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:12,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:12,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:12,570 INFO L87 Difference]: Start difference. First operand has 117 states, 60 states have (on average 1.9666666666666666) internal successors, (118), 116 states have internal predecessors, (118), 0 states have call successors, (0), 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 3 states, 2 states have (on average 1.5) 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 05:48:12,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:12,957 INFO L93 Difference]: Finished difference Result 180 states and 215 transitions. [2024-11-09 05:48:12,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:12,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) 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 05:48:12,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:12,971 INFO L225 Difference]: With dead ends: 180 [2024-11-09 05:48:12,971 INFO L226 Difference]: Without dead ends: 154 [2024-11-09 05:48:12,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 05:48:12,978 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 50 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:12,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 45 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:48:12,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-09 05:48:13,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2024-11-09 05:48:13,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 107 states have (on average 1.644859813084112) internal successors, (176), 149 states have internal predecessors, (176), 0 states have call successors, (0), 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 05:48:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2024-11-09 05:48:13,030 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 3 [2024-11-09 05:48:13,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:13,031 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2024-11-09 05:48:13,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) 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 05:48:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2024-11-09 05:48:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:48:13,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:13,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:48:13,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:48:13,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:13,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:13,033 INFO L85 PathProgramCache]: Analyzing trace with hash 5014883, now seen corresponding path program 1 times [2024-11-09 05:48:13,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:13,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032858181] [2024-11-09 05:48:13,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:13,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:13,088 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 05:48:13,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:13,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032858181] [2024-11-09 05:48:13,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032858181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:13,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:13,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:48:13,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320648207] [2024-11-09 05:48:13,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:13,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:13,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:13,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:13,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:13,092 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand has 3 states, 2 states have (on average 2.0) 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 05:48:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:13,260 INFO L93 Difference]: Finished difference Result 150 states and 176 transitions. [2024-11-09 05:48:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:13,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) 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 05:48:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:13,263 INFO L225 Difference]: With dead ends: 150 [2024-11-09 05:48:13,263 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 05:48:13,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 05:48:13,265 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 59 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:13,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 9 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:48:13,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 05:48:13,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-09 05:48:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 107 states have (on average 1.4579439252336448) internal successors, (156), 138 states have internal predecessors, (156), 0 states have call successors, (0), 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 05:48:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 156 transitions. [2024-11-09 05:48:13,276 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 156 transitions. Word has length 4 [2024-11-09 05:48:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:13,276 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 156 transitions. [2024-11-09 05:48:13,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) 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 05:48:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 156 transitions. [2024-11-09 05:48:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 05:48:13,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:13,277 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 05:48:13,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:48:13,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:13,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:13,279 INFO L85 PathProgramCache]: Analyzing trace with hash 155461419, now seen corresponding path program 1 times [2024-11-09 05:48:13,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:13,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753907801] [2024-11-09 05:48:13,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:13,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:48:13,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688814516] [2024-11-09 05:48:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:13,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:13,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:13,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:13,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:48:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:13,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:48:13,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:13,371 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 05:48:13,371 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:13,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:13,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753907801] [2024-11-09 05:48:13,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:48:13,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688814516] [2024-11-09 05:48:13,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688814516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:13,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:13,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:48:13,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719409936] [2024-11-09 05:48:13,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:13,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:13,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:13,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:13,376 INFO L87 Difference]: Start difference. First operand 139 states and 156 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 05:48:13,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:13,572 INFO L93 Difference]: Finished difference Result 154 states and 156 transitions. [2024-11-09 05:48:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:13,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2024-11-09 05:48:13,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:13,573 INFO L225 Difference]: With dead ends: 154 [2024-11-09 05:48:13,574 INFO L226 Difference]: Without dead ends: 143 [2024-11-09 05:48:13,574 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 05:48:13,575 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 48 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:13,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 54 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:48:13,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-09 05:48:13,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2024-11-09 05:48:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 107 states have (on average 1.355140186915888) internal successors, (145), 138 states have internal predecessors, (145), 0 states have call successors, (0), 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 05:48:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 145 transitions. [2024-11-09 05:48:13,589 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 145 transitions. Word has length 5 [2024-11-09 05:48:13,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:13,593 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 145 transitions. [2024-11-09 05:48:13,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 05:48:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2024-11-09 05:48:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 05:48:13,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:13,599 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] [2024-11-09 05:48:13,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:48:13,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:13,801 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:13,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash -825957937, now seen corresponding path program 1 times [2024-11-09 05:48:13,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:13,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72816583] [2024-11-09 05:48:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:13,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:13,972 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 05:48:13,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72816583] [2024-11-09 05:48:13,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72816583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:13,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:13,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:48:13,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948007888] [2024-11-09 05:48:13,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:13,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:13,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:13,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:13,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:13,976 INFO L87 Difference]: Start difference. First operand 139 states and 145 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 2 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 05:48:14,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:14,024 INFO L93 Difference]: Finished difference Result 140 states and 145 transitions. [2024-11-09 05:48:14,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:14,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 2 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 41 [2024-11-09 05:48:14,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:14,026 INFO L225 Difference]: With dead ends: 140 [2024-11-09 05:48:14,026 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 05:48:14,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 05:48:14,028 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 25 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:14,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 136 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:14,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 05:48:14,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-09 05:48:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 107 states have (on average 1.3457943925233644) internal successors, (144), 138 states have internal predecessors, (144), 0 states have call successors, (0), 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 05:48:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 144 transitions. [2024-11-09 05:48:14,039 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 144 transitions. Word has length 41 [2024-11-09 05:48:14,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:14,039 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 144 transitions. [2024-11-09 05:48:14,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 2 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 05:48:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2024-11-09 05:48:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:48:14,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:14,041 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] [2024-11-09 05:48:14,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:48:14,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:14,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:14,043 INFO L85 PathProgramCache]: Analyzing trace with hash 165107849, now seen corresponding path program 1 times [2024-11-09 05:48:14,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:14,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357777640] [2024-11-09 05:48:14,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:14,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:14,223 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 05:48:14,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:14,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357777640] [2024-11-09 05:48:14,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357777640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:14,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:14,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:48:14,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989874528] [2024-11-09 05:48:14,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:14,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:14,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:14,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:14,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:14,226 INFO L87 Difference]: Start difference. First operand 139 states and 144 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 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 05:48:14,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:14,291 INFO L93 Difference]: Finished difference Result 157 states and 160 transitions. [2024-11-09 05:48:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:14,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 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 05:48:14,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:14,315 INFO L225 Difference]: With dead ends: 157 [2024-11-09 05:48:14,316 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 05:48:14,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 05:48:14,317 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 23 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:14,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 157 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:14,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 05:48:14,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 139. [2024-11-09 05:48:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 138 states have internal predecessors, (142), 0 states have call successors, (0), 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 05:48:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 142 transitions. [2024-11-09 05:48:14,338 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 142 transitions. Word has length 42 [2024-11-09 05:48:14,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:14,339 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 142 transitions. [2024-11-09 05:48:14,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 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 05:48:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 142 transitions. [2024-11-09 05:48:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 05:48:14,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:14,340 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 05:48:14,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:48:14,341 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:14,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:14,345 INFO L85 PathProgramCache]: Analyzing trace with hash 823376145, now seen corresponding path program 1 times [2024-11-09 05:48:14,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:14,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640728202] [2024-11-09 05:48:14,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:14,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:14,510 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 05:48:14,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:14,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640728202] [2024-11-09 05:48:14,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640728202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:14,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:14,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:14,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104712932] [2024-11-09 05:48:14,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:14,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:14,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:14,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:14,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:14,518 INFO L87 Difference]: Start difference. First operand 139 states and 142 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 05:48:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:14,875 INFO L93 Difference]: Finished difference Result 140 states and 142 transitions. [2024-11-09 05:48:14,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:48:14,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 05:48:14,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:14,878 INFO L225 Difference]: With dead ends: 140 [2024-11-09 05:48:14,878 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 05:48:14,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:48:14,880 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 74 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:14,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 98 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:48:14,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 05:48:14,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-09 05:48:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 107 states have (on average 1.3177570093457944) internal successors, (141), 138 states have internal predecessors, (141), 0 states have call successors, (0), 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 05:48:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 141 transitions. [2024-11-09 05:48:14,899 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 141 transitions. Word has length 43 [2024-11-09 05:48:14,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:14,900 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 141 transitions. [2024-11-09 05:48:14,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 05:48:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 141 transitions. [2024-11-09 05:48:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 05:48:14,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:14,905 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 05:48:14,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:48:14,906 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:14,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:14,906 INFO L85 PathProgramCache]: Analyzing trace with hash 640631533, now seen corresponding path program 1 times [2024-11-09 05:48:14,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:14,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062135630] [2024-11-09 05:48:14,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:14,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:14,996 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 05:48:14,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:14,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062135630] [2024-11-09 05:48:14,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062135630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:14,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:14,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:48:14,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794658658] [2024-11-09 05:48:14,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:14,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:14,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:14,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:14,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:14,999 INFO L87 Difference]: Start difference. First operand 139 states and 141 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 2 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 05:48:15,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:15,014 INFO L93 Difference]: Finished difference Result 139 states and 141 transitions. [2024-11-09 05:48:15,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:15,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 2 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 05:48:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:15,016 INFO L225 Difference]: With dead ends: 139 [2024-11-09 05:48:15,016 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 05:48:15,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 05:48:15,017 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:15,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 86 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:15,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 05:48:15,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-09 05:48:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 137 states have internal predecessors, (139), 0 states have call successors, (0), 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 05:48:15,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 139 transitions. [2024-11-09 05:48:15,030 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 139 transitions. Word has length 46 [2024-11-09 05:48:15,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:15,031 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 139 transitions. [2024-11-09 05:48:15,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 2 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 05:48:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 139 transitions. [2024-11-09 05:48:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 05:48:15,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:15,036 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] [2024-11-09 05:48:15,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:48:15,037 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:15,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:15,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1615258824, now seen corresponding path program 1 times [2024-11-09 05:48:15,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:15,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294638749] [2024-11-09 05:48:15,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:15,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:15,122 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 05:48:15,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:15,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294638749] [2024-11-09 05:48:15,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294638749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:15,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:15,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:48:15,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906127805] [2024-11-09 05:48:15,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:15,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:15,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:15,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:15,125 INFO L87 Difference]: Start difference. First operand 138 states and 139 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 05:48:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:15,138 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2024-11-09 05:48:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:15,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 05:48:15,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:15,140 INFO L225 Difference]: With dead ends: 139 [2024-11-09 05:48:15,140 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 05:48:15,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 05:48:15,141 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 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 05:48:15,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:15,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 05:48:15,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-09 05:48:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 107 states have (on average 1.2897196261682242) internal successors, (138), 137 states have internal predecessors, (138), 0 states have call successors, (0), 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 05:48:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2024-11-09 05:48:15,153 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 47 [2024-11-09 05:48:15,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:15,153 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2024-11-09 05:48:15,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 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 05:48:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2024-11-09 05:48:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 05:48:15,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:15,160 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, 1, 1, 1] [2024-11-09 05:48:15,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:48:15,161 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:15,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:15,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1693961988, now seen corresponding path program 1 times [2024-11-09 05:48:15,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:15,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515416340] [2024-11-09 05:48:15,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:15,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:48:15,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386780768] [2024-11-09 05:48:15,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:15,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:15,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:15,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:48:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:15,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:48:15,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:15,400 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 05:48:15,401 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:15,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:15,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515416340] [2024-11-09 05:48:15,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:48:15,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386780768] [2024-11-09 05:48:15,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386780768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:15,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:15,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:15,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613200800] [2024-11-09 05:48:15,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:15,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:15,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:15,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:15,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:15,406 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:15,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:15,715 INFO L93 Difference]: Finished difference Result 223 states and 227 transitions. [2024-11-09 05:48:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:15,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-09 05:48:15,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:15,717 INFO L225 Difference]: With dead ends: 223 [2024-11-09 05:48:15,717 INFO L226 Difference]: Without dead ends: 199 [2024-11-09 05:48:15,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:15,718 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 59 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:15,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 53 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:48:15,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-09 05:48:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 196. [2024-11-09 05:48:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 165 states have (on average 1.2303030303030302) internal successors, (203), 195 states have internal predecessors, (203), 0 states have call successors, (0), 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 05:48:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 203 transitions. [2024-11-09 05:48:15,728 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 203 transitions. Word has length 51 [2024-11-09 05:48:15,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:15,729 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 203 transitions. [2024-11-09 05:48:15,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 203 transitions. [2024-11-09 05:48:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 05:48:15,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:15,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:15,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:48:15,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:15,932 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:15,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:15,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1920027449, now seen corresponding path program 1 times [2024-11-09 05:48:15,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:15,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508051460] [2024-11-09 05:48:15,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:15,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:16,020 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 05:48:16,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:16,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508051460] [2024-11-09 05:48:16,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508051460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:16,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:16,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:16,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130569204] [2024-11-09 05:48:16,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:16,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:16,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:16,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:16,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:16,023 INFO L87 Difference]: Start difference. First operand 196 states and 203 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 05:48:16,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:16,243 INFO L93 Difference]: Finished difference Result 196 states and 203 transitions. [2024-11-09 05:48:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:48:16,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-09 05:48:16,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:16,244 INFO L225 Difference]: With dead ends: 196 [2024-11-09 05:48:16,245 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 05:48:16,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:48:16,246 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 66 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:16,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 85 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:48:16,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 05:48:16,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-09 05:48:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 165 states have (on average 1.2181818181818183) internal successors, (201), 194 states have internal predecessors, (201), 0 states have call successors, (0), 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 05:48:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 201 transitions. [2024-11-09 05:48:16,253 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 201 transitions. Word has length 58 [2024-11-09 05:48:16,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:16,253 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 201 transitions. [2024-11-09 05:48:16,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 05:48:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 201 transitions. [2024-11-09 05:48:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:48:16,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:16,255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:16,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:48:16,255 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:16,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:16,256 INFO L85 PathProgramCache]: Analyzing trace with hash -608691068, now seen corresponding path program 1 times [2024-11-09 05:48:16,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:16,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793873335] [2024-11-09 05:48:16,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:16,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:16,326 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 05:48:16,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:16,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793873335] [2024-11-09 05:48:16,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793873335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:16,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:16,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:16,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039072318] [2024-11-09 05:48:16,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:16,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:16,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:16,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:16,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:16,329 INFO L87 Difference]: Start difference. First operand 195 states and 201 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 05:48:16,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:16,534 INFO L93 Difference]: Finished difference Result 196 states and 201 transitions. [2024-11-09 05:48:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:16,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 05:48:16,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:16,536 INFO L225 Difference]: With dead ends: 196 [2024-11-09 05:48:16,536 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 05:48:16,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:48:16,537 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 49 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:16,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 121 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:48:16,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 05:48:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-09 05:48:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 165 states have (on average 1.2121212121212122) internal successors, (200), 194 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 05:48:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 200 transitions. [2024-11-09 05:48:16,544 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 200 transitions. Word has length 59 [2024-11-09 05:48:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:16,544 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 200 transitions. [2024-11-09 05:48:16,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 05:48:16,545 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2024-11-09 05:48:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 05:48:16,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:16,546 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:16,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:48:16,547 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:16,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:16,547 INFO L85 PathProgramCache]: Analyzing trace with hash -582280020, now seen corresponding path program 1 times [2024-11-09 05:48:16,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:16,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270596566] [2024-11-09 05:48:16,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:16,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:48:16,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431556129] [2024-11-09 05:48:16,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:16,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:16,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:16,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:48:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:16,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:48:16,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:17,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:17,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270596566] [2024-11-09 05:48:17,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:48:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431556129] [2024-11-09 05:48:17,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431556129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [964798531] [2024-11-09 05:48:17,441 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:48:17,441 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:17,448 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:17,454 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:17,454 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:20,096 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:23,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [964798531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:23,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:48:23,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [3, 3] total 16 [2024-11-09 05:48:23,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198997376] [2024-11-09 05:48:23,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:23,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:48:23,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:23,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:48:23,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:48:23,322 INFO L87 Difference]: Start difference. First operand 195 states and 200 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 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 05:48:24,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:24,021 INFO L93 Difference]: Finished difference Result 195 states and 200 transitions. [2024-11-09 05:48:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:48:24,022 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 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 99 [2024-11-09 05:48:24,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:24,023 INFO L225 Difference]: With dead ends: 195 [2024-11-09 05:48:24,023 INFO L226 Difference]: Without dead ends: 167 [2024-11-09 05:48:24,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 203 SyntacticMatches, 76 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2024-11-09 05:48:24,024 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 136 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:24,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 6 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:48:24,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-09 05:48:24,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 143. [2024-11-09 05:48:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 141 states have (on average 1.0141843971631206) internal successors, (143), 142 states have internal predecessors, (143), 0 states have call successors, (0), 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 05:48:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2024-11-09 05:48:24,031 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 99 [2024-11-09 05:48:24,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:24,032 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2024-11-09 05:48:24,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 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 05:48:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2024-11-09 05:48:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 05:48:24,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:24,033 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:24,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:48:24,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:24,238 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:24,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:24,238 INFO L85 PathProgramCache]: Analyzing trace with hash 99417173, now seen corresponding path program 1 times [2024-11-09 05:48:24,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378447232] [2024-11-09 05:48:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:24,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:24,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378447232] [2024-11-09 05:48:24,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378447232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:24,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366984131] [2024-11-09 05:48:24,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:24,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:24,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:24,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:24,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:48:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:24,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:48:24,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:24,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:24,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366984131] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:24,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1883820142] [2024-11-09 05:48:24,704 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:48:24,704 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:24,704 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:24,704 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:24,705 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:26,490 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:29,061 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5480#(and (<= 0 |ULTIMATE.start_main_~y~0#1|) (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (<= |ULTIMATE.start_main_~x~0#1| 178956970))' at error location [2024-11-09 05:48:29,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:48:29,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:29,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-11-09 05:48:29,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805077310] [2024-11-09 05:48:29,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:29,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:48:29,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:29,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:48:29,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-09 05:48:29,063 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand has 6 states, 5 states have (on average 42.0) internal successors, (210), 5 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 05:48:29,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:29,093 INFO L93 Difference]: Finished difference Result 284 states and 286 transitions. [2024-11-09 05:48:29,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:48:29,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 42.0) internal successors, (210), 5 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) Word has length 105 [2024-11-09 05:48:29,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:29,095 INFO L225 Difference]: With dead ends: 284 [2024-11-09 05:48:29,095 INFO L226 Difference]: Without dead ends: 283 [2024-11-09 05:48:29,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 223 SyntacticMatches, 77 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-09 05:48:29,097 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 14 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:29,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 285 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:29,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-09 05:48:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2024-11-09 05:48:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 279 states have (on average 1.014336917562724) internal successors, (283), 280 states have internal predecessors, (283), 0 states have call successors, (0), 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 05:48:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 283 transitions. [2024-11-09 05:48:29,107 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 283 transitions. Word has length 105 [2024-11-09 05:48:29,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:29,108 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 283 transitions. [2024-11-09 05:48:29,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 42.0) internal successors, (210), 5 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 05:48:29,108 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 283 transitions. [2024-11-09 05:48:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 05:48:29,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:29,110 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-11-09 05:48:29,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:48:29,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:29,315 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:29,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:29,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1887046855, now seen corresponding path program 1 times [2024-11-09 05:48:29,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:29,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147486226] [2024-11-09 05:48:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:29,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:48:29,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636223473] [2024-11-09 05:48:29,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:29,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:29,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:29,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:29,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:48:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:29,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:48:29,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:29,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:30,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:30,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147486226] [2024-11-09 05:48:30,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:48:30,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636223473] [2024-11-09 05:48:30,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636223473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:30,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1339796231] [2024-11-09 05:48:30,088 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:48:30,089 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:30,089 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:30,089 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:30,090 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:31,543 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:36,188 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6914#(and (exists ((|v_ULTIMATE.start_main_~y~0#1_138| Int)) (and (<= 1073741825 (+ (* 3 (* |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138|)) (* |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138|))) (<= (* |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138| |v_ULTIMATE.start_main_~y~0#1_138|) 1073741824))) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~c~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~c~0#1|))' at error location [2024-11-09 05:48:36,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:48:36,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:48:36,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2024-11-09 05:48:36,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801901538] [2024-11-09 05:48:36,189 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:36,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:48:36,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:36,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:48:36,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-11-09 05:48:36,191 INFO L87 Difference]: Start difference. First operand 281 states and 283 transitions. Second operand has 8 states, 7 states have (on average 40.285714285714285) internal successors, (282), 7 states have internal predecessors, (282), 0 states have call successors, (0), 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 05:48:37,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:37,035 INFO L93 Difference]: Finished difference Result 377 states and 380 transitions. [2024-11-09 05:48:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 05:48:37,036 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 40.285714285714285) internal successors, (282), 7 states have internal predecessors, (282), 0 states have call successors, (0), 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 141 [2024-11-09 05:48:37,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:37,037 INFO L225 Difference]: With dead ends: 377 [2024-11-09 05:48:37,037 INFO L226 Difference]: Without dead ends: 376 [2024-11-09 05:48:37,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 299 SyntacticMatches, 105 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:48:37,038 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 133 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:37,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 62 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:48:37,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-09 05:48:37,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 375. [2024-11-09 05:48:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 373 states have (on average 1.0080428954423593) internal successors, (376), 374 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 376 transitions. [2024-11-09 05:48:37,052 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 376 transitions. Word has length 141 [2024-11-09 05:48:37,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:37,052 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 376 transitions. [2024-11-09 05:48:37,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 40.285714285714285) internal successors, (282), 7 states have internal predecessors, (282), 0 states have call successors, (0), 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 05:48:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 376 transitions. [2024-11-09 05:48:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-09 05:48:37,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:37,056 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-11-09 05:48:37,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 05:48:37,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 05:48:37,257 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:37,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:37,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1060866604, now seen corresponding path program 2 times [2024-11-09 05:48:37,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:37,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365835143] [2024-11-09 05:48:37,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:37,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:37,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:37,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365835143] [2024-11-09 05:48:37,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365835143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:37,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131244309] [2024-11-09 05:48:37,636 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:48:37,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:37,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:37,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:37,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 05:48:37,853 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-09 05:48:37,853 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:48:37,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:48:37,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:38,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:38,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131244309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:38,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2007501962] [2024-11-09 05:48:38,606 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:48:38,607 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:38,607 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:38,607 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:38,607 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:40,282 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:47,179 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9375#(and (<= 0 |ULTIMATE.start_main_~y~0#1|) (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (<= |ULTIMATE.start_main_~x~0#1| 178956970))' at error location [2024-11-09 05:48:47,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:48:47,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:47,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 05:48:47,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381324321] [2024-11-09 05:48:47,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:47,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:48:47,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:47,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:48:47,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:48:47,182 INFO L87 Difference]: Start difference. First operand 375 states and 376 transitions. Second operand has 12 states, 11 states have (on average 50.72727272727273) internal successors, (558), 11 states have internal predecessors, (558), 0 states have call successors, (0), 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 05:48:47,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:47,246 INFO L93 Difference]: Finished difference Result 634 states and 639 transitions. [2024-11-09 05:48:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 05:48:47,247 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 50.72727272727273) internal successors, (558), 11 states have internal predecessors, (558), 0 states have call successors, (0), 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 279 [2024-11-09 05:48:47,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:47,250 INFO L225 Difference]: With dead ends: 634 [2024-11-09 05:48:47,250 INFO L226 Difference]: Without dead ends: 633 [2024-11-09 05:48:47,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 613 SyntacticMatches, 206 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4013 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:48:47,253 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 20 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:47,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 623 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:47,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-09 05:48:47,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 629. [2024-11-09 05:48:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 627 states have (on average 1.0095693779904307) internal successors, (633), 628 states have internal predecessors, (633), 0 states have call successors, (0), 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 05:48:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 633 transitions. [2024-11-09 05:48:47,276 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 633 transitions. Word has length 279 [2024-11-09 05:48:47,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:47,276 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 633 transitions. [2024-11-09 05:48:47,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 50.72727272727273) internal successors, (558), 11 states have internal predecessors, (558), 0 states have call successors, (0), 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 05:48:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 633 transitions. [2024-11-09 05:48:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-11-09 05:48:47,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:47,283 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1] [2024-11-09 05:48:47,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 05:48:47,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 05:48:47,488 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:48:47,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:47,488 INFO L85 PathProgramCache]: Analyzing trace with hash 572071725, now seen corresponding path program 2 times [2024-11-09 05:48:47,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:47,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730280835] [2024-11-09 05:48:47,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:47,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:48:47,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135849076] [2024-11-09 05:48:47,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:48:47,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:47,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:47,545 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:47,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:48:47,890 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-09 05:48:47,890 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:48:47,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 05:48:47,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:48,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 0 proven. 1014 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:48,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 0 proven. 1014 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:49,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:49,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730280835] [2024-11-09 05:48:49,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:48:49,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135849076] [2024-11-09 05:48:49,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135849076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:49,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [187916280] [2024-11-09 05:48:49,873 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:48:49,873 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:49,873 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:49,873 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:49,874 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:51,074 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:49:06,302 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12919#(and (exists ((|v_ULTIMATE.start_main_~y~0#1_163| Int)) (and (<= (* |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163|) 1073741824) (<= 1073741825 (+ (* |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163|) (* 3 (* |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163|)))))) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~c~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~c~0#1|))' at error location [2024-11-09 05:49:06,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:49:06,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:49:06,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2024-11-09 05:49:06,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986723928] [2024-11-09 05:49:06,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 05:49:06,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 05:49:06,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:06,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 05:49:06,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:49:06,307 INFO L87 Difference]: Start difference. First operand 629 states and 633 transitions. Second operand has 16 states, 15 states have (on average 49.733333333333334) internal successors, (746), 15 states have internal predecessors, (746), 0 states have call successors, (0), 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 05:49:08,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:08,992 INFO L93 Difference]: Finished difference Result 843 states and 850 transitions. [2024-11-09 05:49:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:49:08,992 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 49.733333333333334) internal successors, (746), 15 states have internal predecessors, (746), 0 states have call successors, (0), 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 373 [2024-11-09 05:49:08,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:08,997 INFO L225 Difference]: With dead ends: 843 [2024-11-09 05:49:08,997 INFO L226 Difference]: Without dead ends: 842 [2024-11-09 05:49:08,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1123 GetRequests, 815 SyntacticMatches, 277 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3781 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:49:08,998 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 212 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 2895 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 2897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:08,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 287 Invalid, 2897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2895 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 05:49:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-09 05:49:09,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 839. [2024-11-09 05:49:09,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 837 states have (on average 1.005973715651135) internal successors, (842), 838 states have internal predecessors, (842), 0 states have call successors, (0), 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 05:49:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 842 transitions. [2024-11-09 05:49:09,029 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 842 transitions. Word has length 373 [2024-11-09 05:49:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:09,030 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 842 transitions. [2024-11-09 05:49:09,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 49.733333333333334) internal successors, (746), 15 states have internal predecessors, (746), 0 states have call successors, (0), 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 05:49:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 842 transitions. [2024-11-09 05:49:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2024-11-09 05:49:09,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:09,047 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-11-09 05:49:09,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 05:49:09,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 05:49:09,251 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:49:09,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:09,251 INFO L85 PathProgramCache]: Analyzing trace with hash -657201894, now seen corresponding path program 3 times [2024-11-09 05:49:09,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:09,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121221906] [2024-11-09 05:49:09,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 0 proven. 3070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:10,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:10,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121221906] [2024-11-09 05:49:10,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121221906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:49:10,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526799476] [2024-11-09 05:49:10,410 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 05:49:10,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:10,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:10,412 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:49:10,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:49:10,586 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 05:49:10,587 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:49:10,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:49:10,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 0 proven. 3070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:11,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:49:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 0 proven. 3070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:12,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526799476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:49:12,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1973560247] [2024-11-09 05:49:12,349 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:49:12,349 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:49:12,350 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:49:12,350 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:49:12,350 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:49:13,683 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:49:31,270 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18434#(and (<= 0 |ULTIMATE.start_main_~y~0#1|) (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (<= |ULTIMATE.start_main_~x~0#1| 178956970))' at error location [2024-11-09 05:49:31,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:49:31,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:49:31,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-09 05:49:31,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024839976] [2024-11-09 05:49:31,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:49:31,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:49:31,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:31,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:49:31,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=863, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:49:31,276 INFO L87 Difference]: Start difference. First operand 839 states and 842 transitions. Second operand has 24 states, 23 states have (on average 54.52173913043478) internal successors, (1254), 23 states have internal predecessors, (1254), 0 states have call successors, (0), 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 05:49:31,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:31,444 INFO L93 Difference]: Finished difference Result 1334 states and 1345 transitions. [2024-11-09 05:49:31,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 05:49:31,445 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 54.52173913043478) internal successors, (1254), 23 states have internal predecessors, (1254), 0 states have call successors, (0), 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 627 [2024-11-09 05:49:31,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:31,450 INFO L225 Difference]: With dead ends: 1334 [2024-11-09 05:49:31,450 INFO L226 Difference]: Without dead ends: 1333 [2024-11-09 05:49:31,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1890 GetRequests, 1393 SyntacticMatches, 464 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17609 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=327, Invalid=863, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:49:31,452 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 29 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:31,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 1301 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:49:31,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-11-09 05:49:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1325. [2024-11-09 05:49:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 1323 states have (on average 1.0075585789871504) internal successors, (1333), 1324 states have internal predecessors, (1333), 0 states have call successors, (0), 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 05:49:31,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1333 transitions. [2024-11-09 05:49:31,493 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1333 transitions. Word has length 627 [2024-11-09 05:49:31,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:31,495 INFO L471 AbstractCegarLoop]: Abstraction has 1325 states and 1333 transitions. [2024-11-09 05:49:31,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 54.52173913043478) internal successors, (1254), 23 states have internal predecessors, (1254), 0 states have call successors, (0), 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 05:49:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1333 transitions. [2024-11-09 05:49:31,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2024-11-09 05:49:31,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:31,518 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1] [2024-11-09 05:49:31,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 05:49:31,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 05:49:31,723 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:49:31,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:31,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1577923819, now seen corresponding path program 3 times [2024-11-09 05:49:31,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:31,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18163591] [2024-11-09 05:49:31,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:31,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:49:31,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56189504] [2024-11-09 05:49:31,839 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 05:49:31,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:31,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:31,841 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:49:31,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:49:32,075 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 05:49:32,075 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:49:32,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 05:49:32,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5614 backedges. 0 proven. 5614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:33,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:49:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5614 backedges. 0 proven. 5614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:37,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:37,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18163591] [2024-11-09 05:49:37,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:49:37,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56189504] [2024-11-09 05:49:37,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56189504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:49:37,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [826855529] [2024-11-09 05:49:37,058 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:49:37,058 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:49:37,058 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:49:37,058 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:49:37,059 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:49:38,120 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:50:32,385 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '26198#(and (exists ((|v_ULTIMATE.start_main_~y~0#1_210| Int)) (and (<= (* |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210|) 1073741824) (<= 1073741825 (+ (* |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210|) (* (* |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210| |v_ULTIMATE.start_main_~y~0#1_210|) 3))))) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~c~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~c~0#1|))' at error location [2024-11-09 05:50:32,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:50:32,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:50:32,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 30 [2024-11-09 05:50:32,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483678735] [2024-11-09 05:50:32,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 05:50:32,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 05:50:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:32,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 05:50:32,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=1462, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 05:50:32,390 INFO L87 Difference]: Start difference. First operand 1325 states and 1333 transitions. Second operand has 32 states, 31 states have (on average 54.0) internal successors, (1674), 31 states have internal predecessors, (1674), 0 states have call successors, (0), 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 05:50:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:52,357 INFO L93 Difference]: Finished difference Result 1775 states and 1790 transitions. [2024-11-09 05:50:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:50:52,358 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 54.0) internal successors, (1674), 31 states have internal predecessors, (1674), 0 states have call successors, (0), 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 837 [2024-11-09 05:50:52,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:52,364 INFO L225 Difference]: With dead ends: 1775 [2024-11-09 05:50:52,365 INFO L226 Difference]: Without dead ends: 1774 [2024-11-09 05:50:52,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2523 GetRequests, 1847 SyntacticMatches, 621 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13665 ImplicationChecksByTransitivity, 68.9s TimeCoverageRelationStatistics Valid=792, Invalid=2400, Unknown=0, NotChecked=0, Total=3192 [2024-11-09 05:50:52,367 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 430 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 12583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 12585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:52,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1214 Invalid, 12585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12583 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-09 05:50:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2024-11-09 05:50:52,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1767. [2024-11-09 05:50:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1765 states have (on average 1.005099150141643) internal successors, (1774), 1766 states have internal predecessors, (1774), 0 states have call successors, (0), 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 05:50:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 1774 transitions. [2024-11-09 05:50:52,423 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 1774 transitions. Word has length 837 [2024-11-09 05:50:52,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:52,424 INFO L471 AbstractCegarLoop]: Abstraction has 1767 states and 1774 transitions. [2024-11-09 05:50:52,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 54.0) internal successors, (1674), 31 states have internal predecessors, (1674), 0 states have call successors, (0), 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 05:50:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 1774 transitions. [2024-11-09 05:50:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2024-11-09 05:50:52,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:52,439 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1] [2024-11-09 05:50:52,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 05:50:52,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 05:50:52,644 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:50:52,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:52,644 INFO L85 PathProgramCache]: Analyzing trace with hash -627451914, now seen corresponding path program 4 times [2024-11-09 05:50:52,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:52,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541738378] [2024-11-09 05:50:52,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14410 backedges. 0 proven. 14410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:56,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:56,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541738378] [2024-11-09 05:50:56,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541738378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:50:56,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517352668] [2024-11-09 05:50:56,795 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 05:50:56,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:50:56,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:50:56,796 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:50:56,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 05:50:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:57,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 05:50:57,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:50:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14410 backedges. 0 proven. 14410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:58,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:51:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 14410 backedges. 0 proven. 14410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:00,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517352668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:51:00,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [112535844] [2024-11-09 05:51:00,678 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:51:00,678 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:51:00,678 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:51:00,678 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:51:00,678 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:51:01,748 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:51:58,486 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '37821#(and (<= 0 |ULTIMATE.start_main_~y~0#1|) (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (<= |ULTIMATE.start_main_~x~0#1| 178956970))' at error location [2024-11-09 05:51:58,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:51:58,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:51:58,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2024-11-09 05:51:58,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549931118] [2024-11-09 05:51:58,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:51:58,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-09 05:51:58,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:58,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-09 05:51:58,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1179, Invalid=2243, Unknown=0, NotChecked=0, Total=3422 [2024-11-09 05:51:58,496 INFO L87 Difference]: Start difference. First operand 1767 states and 1774 transitions. Second operand has 48 states, 47 states have (on average 56.297872340425535) internal successors, (2646), 47 states have internal predecessors, (2646), 0 states have call successors, (0), 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 05:51:58,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:58,870 INFO L93 Difference]: Finished difference Result 2734 states and 2757 transitions. [2024-11-09 05:51:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 05:51:58,871 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 56.297872340425535) internal successors, (2646), 47 states have internal predecessors, (2646), 0 states have call successors, (0), 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 1323 [2024-11-09 05:51:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:58,880 INFO L225 Difference]: With dead ends: 2734 [2024-11-09 05:51:58,881 INFO L226 Difference]: Without dead ends: 2733 [2024-11-09 05:51:58,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3990 GetRequests, 2953 SyntacticMatches, 980 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72665 ImplicationChecksByTransitivity, 57.3s TimeCoverageRelationStatistics Valid=1179, Invalid=2243, Unknown=0, NotChecked=0, Total=3422 [2024-11-09 05:51:58,883 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 45 mSDsluCounter, 2598 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 2656 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:58,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 2656 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:51:58,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2024-11-09 05:51:58,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2717. [2024-11-09 05:51:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2715 states have (on average 1.0066298342541435) internal successors, (2733), 2716 states have internal predecessors, (2733), 0 states have call successors, (0), 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 05:51:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 2733 transitions. [2024-11-09 05:51:58,983 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 2733 transitions. Word has length 1323 [2024-11-09 05:51:58,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:58,985 INFO L471 AbstractCegarLoop]: Abstraction has 2717 states and 2733 transitions. [2024-11-09 05:51:58,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 56.297872340425535) internal successors, (2646), 47 states have internal predecessors, (2646), 0 states have call successors, (0), 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 05:51:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 2733 transitions. [2024-11-09 05:51:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1766 [2024-11-09 05:51:59,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:59,010 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1] [2024-11-09 05:51:59,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 05:51:59,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:51:59,211 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:51:59,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1185116901, now seen corresponding path program 4 times [2024-11-09 05:51:59,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:59,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13588466] [2024-11-09 05:51:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:51:59,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887212862] [2024-11-09 05:51:59,446 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 05:51:59,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:51:59,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:51:59,449 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:51:59,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 05:51:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:59,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 05:51:59,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 25950 backedges. 0 proven. 25950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:02,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:52:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 25950 backedges. 0 proven. 25950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:12,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:12,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13588466] [2024-11-09 05:52:12,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:52:12,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887212862] [2024-11-09 05:52:12,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887212862] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:52:12,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1013379554] [2024-11-09 05:52:12,088 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 05:52:12,089 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:52:12,089 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:52:12,089 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:52:12,089 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:52:13,282 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:55:31,780 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '54025#(and (exists ((|v_ULTIMATE.start_main_~y~0#1_301| Int)) (and (<= (* |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301|) 1073741824) (<= 1073741825 (+ (* |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301|) (* 3 (* |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301| |v_ULTIMATE.start_main_~y~0#1_301|)))))) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~c~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~c~0#1|))' at error location [2024-11-09 05:55:31,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:55:31,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:55:31,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 62 [2024-11-09 05:55:31,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573800261] [2024-11-09 05:55:31,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 05:55:31,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-09 05:55:31,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:55:31,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-09 05:55:31,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=709, Invalid=4841, Unknown=0, NotChecked=0, Total=5550 [2024-11-09 05:55:31,788 INFO L87 Difference]: Start difference. First operand 2717 states and 2733 transitions. Second operand has 64 states, 63 states have (on average 56.03174603174603) internal successors, (3530), 63 states have internal predecessors, (3530), 0 states have call successors, (0), 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 05:55:53,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:55:53,167 INFO L93 Difference]: Finished difference Result 2718 states and 2733 transitions. [2024-11-09 05:55:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 05:55:53,169 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 56.03174603174603) internal successors, (3530), 63 states have internal predecessors, (3530), 0 states have call successors, (0), 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 1765 [2024-11-09 05:55:53,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:55:53,180 INFO L225 Difference]: With dead ends: 2718 [2024-11-09 05:55:53,180 INFO L226 Difference]: Without dead ends: 2717 [2024-11-09 05:55:53,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5293 GetRequests, 3911 SyntacticMatches, 1309 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49896 ImplicationChecksByTransitivity, 202.0s TimeCoverageRelationStatistics Valid=709, Invalid=4841, Unknown=0, NotChecked=0, Total=5550 [2024-11-09 05:55:53,183 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 49 mSDsluCounter, 4877 mSDsCounter, 0 mSdLazyCounter, 52743 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 5034 SdHoareTripleChecker+Invalid, 52744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:55:53,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 5034 Invalid, 52744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 52743 Invalid, 0 Unknown, 0 Unchecked, 20.6s Time] [2024-11-09 05:55:53,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2024-11-09 05:55:53,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2717. [2024-11-09 05:55:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2715 states have (on average 1.0058931860036833) internal successors, (2731), 2716 states have internal predecessors, (2731), 0 states have call successors, (0), 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 05:55:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 2731 transitions. [2024-11-09 05:55:53,260 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 2731 transitions. Word has length 1765 [2024-11-09 05:55:53,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:55:53,263 INFO L471 AbstractCegarLoop]: Abstraction has 2717 states and 2731 transitions. [2024-11-09 05:55:53,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 56.03174603174603) internal successors, (3530), 63 states have internal predecessors, (3530), 0 states have call successors, (0), 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 05:55:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 2731 transitions. [2024-11-09 05:55:53,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1882 [2024-11-09 05:55:53,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:55:53,302 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 1, 1] [2024-11-09 05:55:53,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 05:55:53,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:55:53,503 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:55:53,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:55:53,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1434843297, now seen corresponding path program 5 times [2024-11-09 05:55:53,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:55:53,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999772969] [2024-11-09 05:55:53,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:55:53,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:55:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:55:53,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778068899] [2024-11-09 05:55:53,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:55:53,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:55:53,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:55:53,682 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:55:53,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 05:57:48,030 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2024-11-09 05:57:48,031 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-09 05:57:48,039 WARN L124 FreeRefinementEngine]: Strategy SIFA_TAIPAN was unsuccessful and could not determine trace feasibility [2024-11-09 05:57:48,040 INFO L325 BasicCegarLoop]: Counterexample might be feasible [2024-11-09 05:57:48,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2024-11-09 05:57:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2024-11-09 05:57:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2024-11-09 05:57:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2024-11-09 05:57:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2024-11-09 05:57:48,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2024-11-09 05:57:48,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2024-11-09 05:57:48,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2024-11-09 05:57:48,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2024-11-09 05:57:48,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2024-11-09 05:57:48,060 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2024-11-09 05:57:48,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2024-11-09 05:57:48,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2024-11-09 05:57:48,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2024-11-09 05:57:48,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2024-11-09 05:57:48,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2024-11-09 05:57:48,061 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2024-11-09 05:57:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2024-11-09 05:57:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2024-11-09 05:57:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2024-11-09 05:57:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2024-11-09 05:57:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2024-11-09 05:57:48,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2024-11-09 05:57:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2024-11-09 05:57:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2024-11-09 05:57:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2024-11-09 05:57:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2024-11-09 05:57:48,063 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2024-11-09 05:57:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2024-11-09 05:57:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2024-11-09 05:57:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2024-11-09 05:57:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2024-11-09 05:57:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2024-11-09 05:57:48,064 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2024-11-09 05:57:48,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2024-11-09 05:57:48,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2024-11-09 05:57:48,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2024-11-09 05:57:48,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2024-11-09 05:57:48,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2024-11-09 05:57:48,065 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2024-11-09 05:57:48,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2024-11-09 05:57:48,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2024-11-09 05:57:48,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2024-11-09 05:57:48,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2024-11-09 05:57:48,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2024-11-09 05:57:48,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2024-11-09 05:57:48,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2024-11-09 05:57:48,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2024-11-09 05:57:48,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2024-11-09 05:57:48,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2024-11-09 05:57:48,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2024-11-09 05:57:48,067 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2024-11-09 05:57:48,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2024-11-09 05:57:48,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2024-11-09 05:57:48,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2024-11-09 05:57:48,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2024-11-09 05:57:48,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 05:57:48,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:57:48,271 INFO L407 BasicCegarLoop]: Path program histogram: [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:57:48,363 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:57:48,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:57:48 BoogieIcfgContainer [2024-11-09 05:57:48,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:57:48,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:57:48,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:57:48,368 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:57:48,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:12" (3/4) ... [2024-11-09 05:57:48,373 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:57:48,374 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:57:48,375 INFO L158 Benchmark]: Toolchain (without parser) took 577090.49ms. Allocated memory was 176.2MB in the beginning and 566.2MB in the end (delta: 390.1MB). Free memory was 144.2MB in the beginning and 265.0MB in the end (delta: -120.8MB). Peak memory consumption was 270.3MB. Max. memory is 16.1GB. [2024-11-09 05:57:48,375 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:57:48,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.19ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 132.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 05:57:48,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.59ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 130.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:57:48,376 INFO L158 Benchmark]: Boogie Preprocessor took 27.70ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 129.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:57:48,376 INFO L158 Benchmark]: RCFGBuilder took 595.27ms. Allocated memory is still 176.2MB. Free memory was 129.5MB in the beginning and 107.0MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:57:48,377 INFO L158 Benchmark]: TraceAbstraction took 576169.57ms. Allocated memory was 176.2MB in the beginning and 566.2MB in the end (delta: 390.1MB). Free memory was 106.5MB in the beginning and 265.0MB in the end (delta: -158.5MB). Peak memory consumption was 232.5MB. Max. memory is 16.1GB. [2024-11-09 05:57:48,380 INFO L158 Benchmark]: Witness Printer took 7.02ms. Allocated memory is still 566.2MB. Free memory is still 265.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:57:48,381 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.19ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 132.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.59ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 130.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.70ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 129.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.27ms. Allocated memory is still 176.2MB. Free memory was 129.5MB in the beginning and 107.0MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 576169.57ms. Allocated memory was 176.2MB in the beginning and 566.2MB in the end (delta: 390.1MB). Free memory was 106.5MB in the beginning and 265.0MB in the end (delta: -158.5MB). Peak memory consumption was 232.5MB. Max. memory is 16.1GB. * Witness Printer took 7.02ms. Allocated memory is still 566.2MB. Free memory is still 265.0MB. 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: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L18] int k, y, x, c; [L19] k = __VERIFIER_nondet_int() [L21] y = 0 [L22] x = 0 [L23] c = 0 [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L28] EXPR 5 * y [L28] EXPR 5 * y*y [L28] EXPR 5 * y*y*y [L28] EXPR 5 * y*y*y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L28] EXPR y*y [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L28] EXPR 12*x [L28] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L28] COND FALSE !(!(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0)) [L31] EXPR c + 1 [L31] c = c + 1 [L32] EXPR y + 1 [L32] y = y + 1 [L33] EXPR y * y [L33] EXPR y * y * y [L33] EXPR y * y * y * y [L33] EXPR y * y * y * y * y [L33] EXPR y * y * y * y * y + x [L33] x = y * y * y * y * y + x [L25] COND TRUE 1 [L28] EXPR -2*y [L28] EXPR -2*y*y [L28] EXPR -2*y*y*y [L28] EXPR -2*y*y*y*y [L28] EXPR -2*y*y*y*y*y [L28] EXPR -2*y*y*y*y*y*y [L28] EXPR 6 * y [L28] EXPR 6 * y*y [L28] EXPR 6 * y*y*y [L28] EXPR 6 * y*y*y*y [L28] EXPR 6 * y*y*y*y*y [L28] -2*y*y*y*y*y*y - 6 * y*y*y*y*y - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: 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, 117 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 576.0s, OverallIterations: 21, TraceHistogramMax: 33, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.1s, AutomataDifference: 48.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1564 SdHoareTripleChecker+Valid, 31.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1564 mSDsluCounter, 12485 SdHoareTripleChecker+Invalid, 27.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11400 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70423 IncrementalHoareTripleChecker+Invalid, 70529 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 1085 mSDtfsCounter, 70423 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16762 GetRequests, 12308 SyntacticMatches, 4115 SemanticMatches, 339 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163860 ImplicationChecksByTransitivity, 379.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2717occurred in iteration=19, InterpolantAutomatonStates: 225, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 92 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 116.3s SatisfiabilityAnalysisTime, 33.4s InterpolantComputationTime, 15315 NumberOfCodeBlocks, 15315 NumberOfCodeBlocksAsserted, 77 NumberOfCheckSat, 13798 ConstructedInterpolants, 0 QuantifiedInterpolants, 152508 SizeOfPredicates, 1 NumberOfNonLiveVariables, 6343 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 33 InterpolantComputations, 11 PerfectInterpolantSequences, 0/119622 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: 2.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 63, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 272, TOOLS_POST_TIME: 2.3s, 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: 272, TOOLS_QUANTIFIERELIM_TIME: 2.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 340, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 63, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 2.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 4590, DAG_COMPRESSION_RETAINED_NODES: 222, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:57:48,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-nla/ps6-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 32e66fa5ba3b1091e41b22524f2240292238d833cea4ffc730b1e622c7455b67 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:57:50,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:57:50,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2024-11-09 05:57:50,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:57:50,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:57:50,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:57:50,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:57:50,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:57:50,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:57:50,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:57:50,900 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:57:50,901 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:57:50,901 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:57:50,901 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:57:50,903 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:57:50,904 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:57:50,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:57:50,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:57:50,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:57:50,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:57:50,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:57:50,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:57:50,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:57:50,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:57:50,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:57:50,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:57:50,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:57:50,912 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:57:50,912 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:57:50,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:57:50,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:57:50,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:57:50,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:57:50,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:57:50,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:57:50,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:57:50,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:57:50,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:57:50,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:57:50,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:57:50,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:57:50,916 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:57:50,917 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:57:50,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:57:50,917 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:57:50,917 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_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32e66fa5ba3b1091e41b22524f2240292238d833cea4ffc730b1e622c7455b67 [2024-11-09 05:57:51,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:57:51,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:57:51,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:57:51,311 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:57:51,312 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:57:51,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/termination-nla/ps6-both-nt.c Unable to find full path for "g++" [2024-11-09 05:57:53,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:57:53,692 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:57:53,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/sv-benchmarks/c/termination-nla/ps6-both-nt.c [2024-11-09 05:57:53,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/data/695946684/3982ac706e1a4a4585dddfd312f4fbb9/FLAG5dccf4585 [2024-11-09 05:57:53,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/data/695946684/3982ac706e1a4a4585dddfd312f4fbb9 [2024-11-09 05:57:53,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:57:53,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:57:53,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:57:53,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:57:53,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:57:53,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:57:53" (1/1) ... [2024-11-09 05:57:53,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7540ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:53, skipping insertion in model container [2024-11-09 05:57:53,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:57:53" (1/1) ... [2024-11-09 05:57:53,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:57:53,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:57:53,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:57:53,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:57:54,001 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:57:54,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54 WrapperNode [2024-11-09 05:57:54,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:57:54,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:57:54,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:57:54,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:57:54,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,040 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2024-11-09 05:57:54,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:57:54,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:57:54,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:57:54,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:57:54,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:57:54,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:57:54,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:57:54,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:57:54,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (1/1) ... [2024-11-09 05:57:54,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:57:54,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:57:54,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:57:54,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:57:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:57:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:57:54,236 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:57:54,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:58:07,207 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-09 05:58:07,207 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:58:07,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:58:07,236 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:58:07,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:58:07 BoogieIcfgContainer [2024-11-09 05:58:07,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:58:07,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:58:07,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:58:07,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:58:07,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:57:53" (1/3) ... [2024-11-09 05:58:07,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766a6250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:58:07, skipping insertion in model container [2024-11-09 05:58:07,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:57:54" (2/3) ... [2024-11-09 05:58:07,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766a6250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:58:07, skipping insertion in model container [2024-11-09 05:58:07,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:58:07" (3/3) ... [2024-11-09 05:58:07,252 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-both-nt.c [2024-11-09 05:58:07,268 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:58:07,268 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-09 05:58:07,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:58:07,336 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;@66a4d6c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:58:07,336 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-09 05:58:07,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 63 states have (on average 1.9365079365079365) internal successors, (122), 119 states have internal predecessors, (122), 0 states have call successors, (0), 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 05:58:07,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:58:07,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:58:07,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:58:07,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:58:07,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:58:07,350 INFO L85 PathProgramCache]: Analyzing trace with hash 925764, now seen corresponding path program 1 times [2024-11-09 05:58:07,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:58:07,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672846591] [2024-11-09 05:58:07,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:58:07,360 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 05:58:07,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:58:07,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:07,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:58:07,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:58:07,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:58:07,466 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 05:58:07,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:58:07,467 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:58:07,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672846591] [2024-11-09 05:58:07,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672846591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:58:07,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:58:07,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:58:07,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372822009] [2024-11-09 05:58:07,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:58:07,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:58:07,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:58:07,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:58:07,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:58:07,500 INFO L87 Difference]: Start difference. First operand has 120 states, 63 states have (on average 1.9365079365079365) internal successors, (122), 119 states have internal predecessors, (122), 0 states have call successors, (0), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:58:11,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:58:13,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:58:20,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:58:21,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:58:22,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:58:22,975 INFO L93 Difference]: Finished difference Result 216 states and 222 transitions. [2024-11-09 05:58:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:58:22,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 05:58:22,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:58:22,987 INFO L225 Difference]: With dead ends: 216 [2024-11-09 05:58:22,987 INFO L226 Difference]: Without dead ends: 165 [2024-11-09 05:58:22,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:58:22,996 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 49 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 40 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:58:22,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 85 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 148 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2024-11-09 05:58:23,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-09 05:58:23,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2024-11-09 05:58:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 108 states have (on average 1.5277777777777777) internal successors, (165), 161 states have internal predecessors, (165), 0 states have call successors, (0), 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 05:58:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 165 transitions. [2024-11-09 05:58:23,046 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 165 transitions. Word has length 4 [2024-11-09 05:58:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:58:23,046 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 165 transitions. [2024-11-09 05:58:23,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:58:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 165 transitions. [2024-11-09 05:58:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:58:23,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:58:23,048 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] [2024-11-09 05:58:23,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:23,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:23,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:58:23,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:58:23,250 INFO L85 PathProgramCache]: Analyzing trace with hash -2077594134, now seen corresponding path program 1 times [2024-11-09 05:58:23,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:58:23,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969488491] [2024-11-09 05:58:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:58:23,252 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 05:58:23,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:58:23,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:23,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:58:23,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:58:23,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:58:23,984 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 05:58:23,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:58:23,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:58:23,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969488491] [2024-11-09 05:58:23,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969488491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:58:23,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:58:23,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:58:23,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312394985] [2024-11-09 05:58:23,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:58:23,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:58:23,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:58:23,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:58:23,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:58:23,990 INFO L87 Difference]: Start difference. First operand 162 states and 165 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 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 05:58:25,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:58:25,110 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2024-11-09 05:58:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:58:25,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 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 05:58:25,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:58:25,119 INFO L225 Difference]: With dead ends: 185 [2024-11-09 05:58:25,120 INFO L226 Difference]: Without dead ends: 181 [2024-11-09 05:58:25,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 05:58:25,125 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 27 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:58:25,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 207 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:58:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-09 05:58:25,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 172. [2024-11-09 05:58:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 118 states have (on average 1.5338983050847457) internal successors, (181), 171 states have internal predecessors, (181), 0 states have call successors, (0), 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 05:58:25,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 181 transitions. [2024-11-09 05:58:25,141 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 181 transitions. Word has length 42 [2024-11-09 05:58:25,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:58:25,141 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 181 transitions. [2024-11-09 05:58:25,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 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 05:58:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 181 transitions. [2024-11-09 05:58:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 05:58:25,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:58:25,143 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 05:58:25,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:58:25,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:25,344 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:58:25,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:58:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1913513747, now seen corresponding path program 1 times [2024-11-09 05:58:25,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:58:25,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767682095] [2024-11-09 05:58:25,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:58:25,347 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 05:58:25,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:58:25,350 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:25,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:58:25,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:58:25,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:58:26,211 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 05:58:26,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:58:26,212 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:58:26,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767682095] [2024-11-09 05:58:26,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767682095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:58:26,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:58:26,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:58:26,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490408491] [2024-11-09 05:58:26,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:58:26,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:58:26,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:58:26,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:58:26,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:58:26,216 INFO L87 Difference]: Start difference. First operand 172 states and 181 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:58:26,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:58:26,238 INFO L93 Difference]: Finished difference Result 173 states and 181 transitions. [2024-11-09 05:58:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:58:26,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-09 05:58:26,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:58:26,240 INFO L225 Difference]: With dead ends: 173 [2024-11-09 05:58:26,240 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 05:58:26,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 05:58:26,242 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:58:26,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 222 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:58:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 05:58:26,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-09 05:58:26,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 118 states have (on average 1.5254237288135593) internal successors, (180), 171 states have internal predecessors, (180), 0 states have call successors, (0), 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 05:58:26,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 180 transitions. [2024-11-09 05:58:26,266 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 180 transitions. Word has length 48 [2024-11-09 05:58:26,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:58:26,267 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 180 transitions. [2024-11-09 05:58:26,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:58:26,267 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 180 transitions. [2024-11-09 05:58:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 05:58:26,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:58:26,272 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, 1, 1, 1] [2024-11-09 05:58:26,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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)] Ended with exit code 0 [2024-11-09 05:58:26,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:26,473 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:58:26,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:58:26,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1612748810, now seen corresponding path program 1 times [2024-11-09 05:58:26,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:58:26,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777926060] [2024-11-09 05:58:26,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:58:26,475 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 05:58:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:58:26,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:26,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:58:26,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:58:26,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:58:27,205 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 05:58:27,206 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:58:27,206 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:58:27,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777926060] [2024-11-09 05:58:27,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777926060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:58:27,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:58:27,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:58:27,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80339426] [2024-11-09 05:58:27,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:58:27,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:58:27,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:58:27,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:58:27,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:58:27,209 INFO L87 Difference]: Start difference. First operand 172 states and 180 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:58:33,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:58:34,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:58:40,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:58:40,337 INFO L93 Difference]: Finished difference Result 271 states and 272 transitions. [2024-11-09 05:58:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:58:40,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-09 05:58:40,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:58:40,340 INFO L225 Difference]: With dead ends: 271 [2024-11-09 05:58:40,340 INFO L226 Difference]: Without dead ends: 223 [2024-11-09 05:58:40,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:58:40,342 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 60 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:58:40,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 83 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2024-11-09 05:58:40,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-09 05:58:40,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-09 05:58:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 166 states have (on average 1.3493975903614457) internal successors, (224), 219 states have internal predecessors, (224), 0 states have call successors, (0), 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 05:58:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 224 transitions. [2024-11-09 05:58:40,360 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 224 transitions. Word has length 51 [2024-11-09 05:58:40,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:58:40,360 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 224 transitions. [2024-11-09 05:58:40,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:58:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 224 transitions. [2024-11-09 05:58:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 05:58:40,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:58:40,364 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:58:40,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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)] Ended with exit code 0 [2024-11-09 05:58:40,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:40,565 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 05:58:40,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:58:40,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1234583815, now seen corresponding path program 1 times [2024-11-09 05:58:40,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:58:40,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452295934] [2024-11-09 05:58:40,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:58:40,566 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 05:58:40,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:58:40,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:40,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 05:58:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:58:41,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:58:41,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:58:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:58:42,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:58:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:58:53,371 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:58:53,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452295934] [2024-11-09 05:58:53,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452295934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:58:53,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [827118337] [2024-11-09 05:58:53,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:58:53,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:58:53,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:58:53,375 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:58:53,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 05:58:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:58:55,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:58:55,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:58:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:58:56,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:59:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:05,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [827118337] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:59:05,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979516799] [2024-11-09 05:59:05,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:05,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:59:05,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:59:05,313 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:59:05,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:59:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:06,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:59:06,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:59:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:07,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:59:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:15,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979516799] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:59:15,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:59:15,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 7 [2024-11-09 05:59:15,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963691271] [2024-11-09 05:59:15,689 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:59:15,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:59:15,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:59:15,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:59:15,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:59:15,692 INFO L87 Difference]: Start difference. First operand 220 states and 224 transitions. Second operand has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:25,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:59:27,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:59:29,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:59:30,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:59:32,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:59:56,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:00,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:02,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:06,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:08,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:11,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:13,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:14,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:14,198 INFO L93 Difference]: Finished difference Result 322 states and 323 transitions. [2024-11-09 06:00:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:00:14,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-09 06:00:14,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:14,204 INFO L225 Difference]: With dead ends: 322 [2024-11-09 06:00:14,204 INFO L226 Difference]: Without dead ends: 317 [2024-11-09 06:00:14,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:00:14,207 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 169 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:14,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 200 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 608 Invalid, 7 Unknown, 0 Unchecked, 57.4s Time] [2024-11-09 06:00:14,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-09 06:00:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 270. [2024-11-09 06:00:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 216 states have (on average 1.4675925925925926) internal successors, (317), 269 states have internal predecessors, (317), 0 states have call successors, (0), 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 06:00:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 317 transitions. [2024-11-09 06:00:14,237 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 317 transitions. Word has length 100 [2024-11-09 06:00:14,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:14,238 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 317 transitions. [2024-11-09 06:00:14,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 317 transitions. [2024-11-09 06:00:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 06:00:14,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:14,242 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:14,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:14,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:14,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 06:00:14,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:00:14,844 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 06:00:14,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:14,844 INFO L85 PathProgramCache]: Analyzing trace with hash -64737168, now seen corresponding path program 1 times [2024-11-09 06:00:14,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:00:14,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074059950] [2024-11-09 06:00:14,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:14,846 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 06:00:14,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:00:14,847 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 06:00:14,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 06:00:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:16,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:00:16,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:16,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:17,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:00:17,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074059950] [2024-11-09 06:00:17,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074059950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:17,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1253140897] [2024-11-09 06:00:17,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:17,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:00:17,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:00:17,355 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:00:17,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 06:00:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:20,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:00:20,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:20,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:21,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1253140897] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:21,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749277425] [2024-11-09 06:00:21,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:21,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:21,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:21,412 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:21,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 06:00:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:22,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:00:22,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:23,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:23,969 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:23,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749277425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:23,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 06:00:23,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3, 3, 3, 3] total 5 [2024-11-09 06:00:23,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268033979] [2024-11-09 06:00:23,970 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 06:00:23,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:00:23,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:00:23,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:00:23,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:00:23,973 INFO L87 Difference]: Start difference. First operand 270 states and 317 transitions. Second operand has 6 states, 5 states have (on average 42.2) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 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 06:00:24,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:24,094 INFO L93 Difference]: Finished difference Result 437 states and 439 transitions. [2024-11-09 06:00:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:00:24,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 42.2) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 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 106 [2024-11-09 06:00:24,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:24,098 INFO L225 Difference]: With dead ends: 437 [2024-11-09 06:00:24,098 INFO L226 Difference]: Without dead ends: 436 [2024-11-09 06:00:24,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:00:24,100 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 163 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:24,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 586 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:00:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-09 06:00:24,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 334. [2024-11-09 06:00:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 280 states have (on average 1.5571428571428572) internal successors, (436), 333 states have internal predecessors, (436), 0 states have call successors, (0), 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 06:00:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 436 transitions. [2024-11-09 06:00:24,118 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 436 transitions. Word has length 106 [2024-11-09 06:00:24,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:24,119 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 436 transitions. [2024-11-09 06:00:24,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 42.2) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 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 06:00:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 436 transitions. [2024-11-09 06:00:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 06:00:24,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:24,123 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:24,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:24,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:24,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:24,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:00:24,724 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 06:00:24,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash -144521863, now seen corresponding path program 1 times [2024-11-09 06:00:24,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:00:24,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601250380] [2024-11-09 06:00:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:24,727 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 06:00:24,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:00:24,734 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 06:00:24,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb32b7f-9cc1-47e9-af7d-d33d20c25387/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 06:00:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:26,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:00:26,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:26,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:34,129 WARN L873 $PredicateComparison]: unable to prove that (bvsle (_ bv9223372034707292160 63) (let ((.cse0 ((_ sign_extend 31) (bvadd (_ bv1 32) |c_ULTIMATE.start_main_~y~0#1|)))) (bvmul .cse0 .cse0))) is different from true [2024-11-09 06:02:23,463 WARN L873 $PredicateComparison]: unable to prove that (bvsle (_ bv9223372034707292160 63) (let ((.cse0 ((_ sign_extend 31) (bvadd (_ bv2 32) |c_ULTIMATE.start_main_~y~0#1|)))) (bvmul .cse0 .cse0))) is different from true