./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.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_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/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_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/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_3137e97d-5068-42ab-8692-2b52c429ad73/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 9439004819e2e34c2ab2e87057bca89732394fc53eb02ecb90192bb8fac7667a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:16:34,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:16:34,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 01:16:34,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:16:34,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:16:34,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:16:34,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:16:34,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:16:34,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:16:34,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:16:34,678 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:16:34,679 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:16:34,680 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:16:34,682 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:16:34,684 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:16:34,685 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:16:34,685 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:16:34,685 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:16:34,686 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:16:34,686 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:16:34,689 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:16:34,690 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:16:34,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:16:34,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:16:34,692 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:16:34,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:16:34,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:16:34,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:16:34,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:16:34,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:16:34,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:16:34,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:16:34,695 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:16:34,695 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:16:34,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:16:34,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:16:34,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:16:34,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:16:34,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:16:34,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:16:34,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:16:34,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:16:34,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:16:34,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:16:34,701 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:16:34,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:16:34,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:16:34,702 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:16:34,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:16:34,702 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_3137e97d-5068-42ab-8692-2b52c429ad73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9439004819e2e34c2ab2e87057bca89732394fc53eb02ecb90192bb8fac7667a [2024-11-09 01:16:35,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:16:35,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:16:35,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:16:35,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:16:35,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:16:35,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c Unable to find full path for "g++" [2024-11-09 01:16:37,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:16:37,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:16:37,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-11-09 01:16:37,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/data/8c1e67d53/3a5cf9f6f3ff4c7f9e44df972ebcb14e/FLAGf12c8840c [2024-11-09 01:16:37,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/data/8c1e67d53/3a5cf9f6f3ff4c7f9e44df972ebcb14e [2024-11-09 01:16:37,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:16:37,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:16:37,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:16:37,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:16:37,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:16:37,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba2a972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37, skipping insertion in model container [2024-11-09 01:16:37,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:16:37,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:16:37,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:16:37,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:16:37,883 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:16:37,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37 WrapperNode [2024-11-09 01:16:37,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:16:37,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:16:37,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:16:37,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:16:37,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,932 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2024-11-09 01:16:37,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:16:37,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:16:37,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:16:37,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:16:37,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:16:37,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:16:37,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:16:37,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:16:37,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (1/1) ... [2024-11-09 01:16:37,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:16:38,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:38,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:16:38,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:16:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:16:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:16:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:16:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:16:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:16:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:16:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 01:16:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 01:16:38,165 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:16:38,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:16:39,267 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-09 01:16:39,267 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:16:39,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:16:39,379 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 01:16:39,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:39 BoogieIcfgContainer [2024-11-09 01:16:39,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:16:39,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:16:39,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:16:39,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:16:39,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:16:37" (1/3) ... [2024-11-09 01:16:39,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6180fd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:16:39, skipping insertion in model container [2024-11-09 01:16:39,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:37" (2/3) ... [2024-11-09 01:16:39,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6180fd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:16:39, skipping insertion in model container [2024-11-09 01:16:39,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:39" (3/3) ... [2024-11-09 01:16:39,388 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2024-11-09 01:16:39,407 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:16:39,408 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-11-09 01:16:39,473 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:16:39,482 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;@204a1746, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:16:39,482 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-11-09 01:16:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 75 states have (on average 1.9066666666666667) internal successors, (143), 140 states have internal predecessors, (143), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 01:16:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 01:16:39,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:39,497 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:39,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:39,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:39,505 INFO L85 PathProgramCache]: Analyzing trace with hash -198909868, now seen corresponding path program 1 times [2024-11-09 01:16:39,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:39,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842211880] [2024-11-09 01:16:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:39,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179029307] [2024-11-09 01:16:39,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:39,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:39,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:39,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:39,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:16:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:39,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:16:39,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 01:16:39,950 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:39,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:39,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842211880] [2024-11-09 01:16:39,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:16:39,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179029307] [2024-11-09 01:16:39,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179029307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:39,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:39,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:16:39,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090768356] [2024-11-09 01:16:39,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:39,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:16:39,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:39,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:16:39,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:16:39,998 INFO L87 Difference]: Start difference. First operand has 154 states, 75 states have (on average 1.9066666666666667) internal successors, (143), 140 states have internal predecessors, (143), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 6 states, 2 states have (on average 3.0) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 01:16:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:40,583 INFO L93 Difference]: Finished difference Result 289 states and 310 transitions. [2024-11-09 01:16:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:16:40,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 2 states have (on average 3.0) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 16 [2024-11-09 01:16:40,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:40,601 INFO L225 Difference]: With dead ends: 289 [2024-11-09 01:16:40,602 INFO L226 Difference]: Without dead ends: 148 [2024-11-09 01:16:40,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:16:40,614 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 198 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:40,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 146 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 01:16:40,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-09 01:16:40,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-09 01:16:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 74 states have (on average 1.837837837837838) internal successors, (136), 135 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 01:16:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 158 transitions. [2024-11-09 01:16:40,691 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 158 transitions. Word has length 16 [2024-11-09 01:16:40,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:40,693 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 158 transitions. [2024-11-09 01:16:40,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 2 states have (on average 3.0) internal successors, (6), 4 states have internal predecessors, (6), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 01:16:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2024-11-09 01:16:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 01:16:40,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:40,698 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:40,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:16:40,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:40,900 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:40,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:40,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1871238570, now seen corresponding path program 1 times [2024-11-09 01:16:40,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:40,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024155774] [2024-11-09 01:16:40,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:40,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:40,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221950711] [2024-11-09 01:16:40,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:40,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:40,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:40,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:40,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 01:16:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:41,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 01:16:41,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 01:16:41,128 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:16:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 01:16:41,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:41,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024155774] [2024-11-09 01:16:41,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:16:41,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221950711] [2024-11-09 01:16:41,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221950711] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:16:41,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1008306729] [2024-11-09 01:16:41,650 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2024-11-09 01:16:41,650 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:16:41,655 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:16:41,662 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:16:41,663 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:16:42,475 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-09 01:16:42,478 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:16:43,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1008306729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:43,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:16:43,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5, 5] total 17 [2024-11-09 01:16:43,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634161508] [2024-11-09 01:16:43,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:43,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 01:16:43,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:43,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 01:16:43,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2024-11-09 01:16:43,101 INFO L87 Difference]: Start difference. First operand 148 states and 158 transitions. Second operand has 11 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 01:16:44,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:44,177 INFO L93 Difference]: Finished difference Result 246 states and 279 transitions. [2024-11-09 01:16:44,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 01:16:44,177 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 17 [2024-11-09 01:16:44,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:44,179 INFO L225 Difference]: With dead ends: 246 [2024-11-09 01:16:44,180 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 01:16:44,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2024-11-09 01:16:44,182 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 395 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:44,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 69 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 01:16:44,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 01:16:44,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2024-11-09 01:16:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 118 states have (on average 1.694915254237288) internal successors, (200), 177 states have internal predecessors, (200), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 01:16:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2024-11-09 01:16:44,210 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 17 [2024-11-09 01:16:44,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:44,211 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2024-11-09 01:16:44,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 01:16:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2024-11-09 01:16:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 01:16:44,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:44,212 INFO L215 NwaCegarLoop]: trace histogram [6, 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 01:16:44,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 01:16:44,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:44,417 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:44,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:44,418 INFO L85 PathProgramCache]: Analyzing trace with hash -56274717, now seen corresponding path program 1 times [2024-11-09 01:16:44,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:44,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421779810] [2024-11-09 01:16:44,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:44,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:44,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565418536] [2024-11-09 01:16:44,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:44,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:44,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:44,471 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:44,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 01:16:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:44,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:16:44,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 01:16:44,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:44,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:44,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421779810] [2024-11-09 01:16:44,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:16:44,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565418536] [2024-11-09 01:16:44,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565418536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:44,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:44,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:16:44,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569968136] [2024-11-09 01:16:44,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:44,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:16:44,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:44,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:16:44,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:16:44,557 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 01:16:44,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:44,801 INFO L93 Difference]: Finished difference Result 338 states and 409 transitions. [2024-11-09 01:16:44,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:16:44,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 29 [2024-11-09 01:16:44,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:44,805 INFO L225 Difference]: With dead ends: 338 [2024-11-09 01:16:44,805 INFO L226 Difference]: Without dead ends: 330 [2024-11-09 01:16:44,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 01:16:44,807 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 83 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:44,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 259 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:16:44,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-09 01:16:44,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 294. [2024-11-09 01:16:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 209 states have (on average 1.6602870813397128) internal successors, (347), 268 states have internal predecessors, (347), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:16:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 393 transitions. [2024-11-09 01:16:44,843 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 393 transitions. Word has length 29 [2024-11-09 01:16:44,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:44,846 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 393 transitions. [2024-11-09 01:16:44,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 01:16:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 393 transitions. [2024-11-09 01:16:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 01:16:44,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:44,847 INFO L215 NwaCegarLoop]: trace histogram [6, 1, 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 01:16:44,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 01:16:45,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:45,048 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:45,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:45,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1754574149, now seen corresponding path program 1 times [2024-11-09 01:16:45,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:45,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448937118] [2024-11-09 01:16:45,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:45,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 01:16:45,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:45,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448937118] [2024-11-09 01:16:45,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448937118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:16:45,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433909684] [2024-11-09 01:16:45,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:45,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:45,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:45,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:45,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 01:16:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:45,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:16:45,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 01:16:45,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:45,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433909684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:45,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:16:45,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 01:16:45,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434112917] [2024-11-09 01:16:45,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:45,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:16:45,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:45,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:16:45,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 01:16:45,738 INFO L87 Difference]: Start difference. First operand 294 states and 393 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 01:16:47,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:47,132 INFO L93 Difference]: Finished difference Result 329 states and 395 transitions. [2024-11-09 01:16:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 01:16:47,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 31 [2024-11-09 01:16:47,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:47,136 INFO L225 Difference]: With dead ends: 329 [2024-11-09 01:16:47,137 INFO L226 Difference]: Without dead ends: 328 [2024-11-09 01:16:47,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-09 01:16:47,139 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 344 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:47,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 275 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 01:16:47,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-09 01:16:47,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 294. [2024-11-09 01:16:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 209 states have (on average 1.6555023923444976) internal successors, (346), 268 states have internal predecessors, (346), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:16:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 392 transitions. [2024-11-09 01:16:47,173 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 392 transitions. Word has length 31 [2024-11-09 01:16:47,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:47,173 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 392 transitions. [2024-11-09 01:16:47,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 01:16:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 392 transitions. [2024-11-09 01:16:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 01:16:47,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:47,175 INFO L215 NwaCegarLoop]: trace histogram [6, 1, 1, 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 01:16:47,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 01:16:47,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:47,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:47,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:47,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1442776152, now seen corresponding path program 1 times [2024-11-09 01:16:47,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:47,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751738797] [2024-11-09 01:16:47,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:47,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:47,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235114882] [2024-11-09 01:16:47,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:47,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:47,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:47,407 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:47,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 01:16:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:47,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:16:47,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 01:16:47,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:47,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:47,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751738797] [2024-11-09 01:16:47,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:16:47,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235114882] [2024-11-09 01:16:47,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235114882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:47,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:47,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:16:47,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876720307] [2024-11-09 01:16:47,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:47,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:16:47,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:47,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:16:47,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:16:47,566 INFO L87 Difference]: Start difference. First operand 294 states and 392 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 01:16:48,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:48,583 INFO L93 Difference]: Finished difference Result 329 states and 394 transitions. [2024-11-09 01:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 01:16:48,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 32 [2024-11-09 01:16:48,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:48,585 INFO L225 Difference]: With dead ends: 329 [2024-11-09 01:16:48,585 INFO L226 Difference]: Without dead ends: 328 [2024-11-09 01:16:48,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 01:16:48,587 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 335 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:48,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 279 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 01:16:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-09 01:16:48,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 294. [2024-11-09 01:16:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 209 states have (on average 1.6507177033492824) internal successors, (345), 268 states have internal predecessors, (345), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:16:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 391 transitions. [2024-11-09 01:16:48,617 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 391 transitions. Word has length 32 [2024-11-09 01:16:48,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:48,617 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 391 transitions. [2024-11-09 01:16:48,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 01:16:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 391 transitions. [2024-11-09 01:16:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 01:16:48,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:48,619 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:48,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 01:16:48,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:48,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:48,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:48,823 INFO L85 PathProgramCache]: Analyzing trace with hash 222266990, now seen corresponding path program 1 times [2024-11-09 01:16:48,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:48,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377098159] [2024-11-09 01:16:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:48,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:48,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596572596] [2024-11-09 01:16:48,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:48,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:48,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:48,856 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:48,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 01:16:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:48,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:16:48,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 01:16:49,145 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:49,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:49,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377098159] [2024-11-09 01:16:49,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:16:49,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596572596] [2024-11-09 01:16:49,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596572596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:49,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:49,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:16:49,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313619184] [2024-11-09 01:16:49,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:49,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:16:49,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:49,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:16:49,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:16:49,148 INFO L87 Difference]: Start difference. First operand 294 states and 391 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:49,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:49,537 INFO L93 Difference]: Finished difference Result 323 states and 417 transitions. [2024-11-09 01:16:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:16:49,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 56 [2024-11-09 01:16:49,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:49,540 INFO L225 Difference]: With dead ends: 323 [2024-11-09 01:16:49,540 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 01:16:49,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:16:49,541 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 88 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:49,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 213 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 01:16:49,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 01:16:49,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 294. [2024-11-09 01:16:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 209 states have (on average 1.6411483253588517) internal successors, (343), 268 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:16:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 389 transitions. [2024-11-09 01:16:49,582 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 389 transitions. Word has length 56 [2024-11-09 01:16:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:49,582 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 389 transitions. [2024-11-09 01:16:49,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 389 transitions. [2024-11-09 01:16:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 01:16:49,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:49,584 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:49,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 01:16:49,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 01:16:49,788 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:49,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:49,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1699657790, now seen corresponding path program 1 times [2024-11-09 01:16:49,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:49,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340015288] [2024-11-09 01:16:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:49,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:49,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753188367] [2024-11-09 01:16:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:49,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:49,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:49,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:49,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 01:16:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:49,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:16:49,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 01:16:51,569 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:51,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:51,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340015288] [2024-11-09 01:16:51,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:16:51,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753188367] [2024-11-09 01:16:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753188367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:51,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:51,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:16:51,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419779137] [2024-11-09 01:16:51,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:51,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:16:51,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:51,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:16:51,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-09 01:16:51,572 INFO L87 Difference]: Start difference. First operand 294 states and 389 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:53,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 01:16:55,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 01:16:56,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 01:16:57,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:57,394 INFO L93 Difference]: Finished difference Result 323 states and 415 transitions. [2024-11-09 01:16:57,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:16:57,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 57 [2024-11-09 01:16:57,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:57,396 INFO L225 Difference]: With dead ends: 323 [2024-11-09 01:16:57,397 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 01:16:57,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-09 01:16:57,398 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 86 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:57,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 211 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 5.8s Time] [2024-11-09 01:16:57,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 01:16:57,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 294. [2024-11-09 01:16:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 209 states have (on average 1.631578947368421) internal successors, (341), 268 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:16:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 387 transitions. [2024-11-09 01:16:57,421 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 387 transitions. Word has length 57 [2024-11-09 01:16:57,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:57,422 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 387 transitions. [2024-11-09 01:16:57,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 387 transitions. [2024-11-09 01:16:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 01:16:57,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:57,424 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:57,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 01:16:57,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:57,625 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:57,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:57,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1149783824, now seen corresponding path program 1 times [2024-11-09 01:16:57,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:57,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974738749] [2024-11-09 01:16:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:57,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:57,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [174330050] [2024-11-09 01:16:57,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:57,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:57,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:57,673 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:57,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 01:16:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:57,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:16:57,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 01:16:57,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:57,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:57,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974738749] [2024-11-09 01:16:57,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:16:57,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174330050] [2024-11-09 01:16:57,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174330050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:57,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:57,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:16:57,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39905720] [2024-11-09 01:16:57,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:57,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:16:57,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:57,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:16:57,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:16:57,828 INFO L87 Difference]: Start difference. First operand 294 states and 387 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:58,517 INFO L93 Difference]: Finished difference Result 316 states and 403 transitions. [2024-11-09 01:16:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:16:58,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 58 [2024-11-09 01:16:58,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:58,519 INFO L225 Difference]: With dead ends: 316 [2024-11-09 01:16:58,519 INFO L226 Difference]: Without dead ends: 312 [2024-11-09 01:16:58,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:16:58,520 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 87 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:58,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 248 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 01:16:58,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-09 01:16:58,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 297. [2024-11-09 01:16:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 212 states have (on average 1.6037735849056605) internal successors, (340), 271 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:16:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 386 transitions. [2024-11-09 01:16:58,544 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 386 transitions. Word has length 58 [2024-11-09 01:16:58,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:58,545 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 386 transitions. [2024-11-09 01:16:58,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 386 transitions. [2024-11-09 01:16:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 01:16:58,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:58,547 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:58,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 01:16:58,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:58,750 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:58,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:58,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1283560060, now seen corresponding path program 1 times [2024-11-09 01:16:58,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:58,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693313796] [2024-11-09 01:16:58,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:58,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552965652] [2024-11-09 01:16:58,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:58,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:58,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:58,776 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:58,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 01:16:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:58,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:16:58,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 01:16:59,020 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:59,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:16:59,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693313796] [2024-11-09 01:16:59,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:16:59,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552965652] [2024-11-09 01:16:59,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552965652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:59,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:59,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:16:59,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381692317] [2024-11-09 01:16:59,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:59,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:16:59,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:16:59,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:16:59,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:16:59,022 INFO L87 Difference]: Start difference. First operand 297 states and 386 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:59,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:59,702 INFO L93 Difference]: Finished difference Result 314 states and 397 transitions. [2024-11-09 01:16:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:16:59,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2024-11-09 01:16:59,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:59,704 INFO L225 Difference]: With dead ends: 314 [2024-11-09 01:16:59,705 INFO L226 Difference]: Without dead ends: 312 [2024-11-09 01:16:59,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:16:59,706 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 86 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:59,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 251 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 01:16:59,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-09 01:16:59,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 297. [2024-11-09 01:16:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 212 states have (on average 1.5849056603773586) internal successors, (336), 271 states have internal predecessors, (336), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:16:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 382 transitions. [2024-11-09 01:16:59,744 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 382 transitions. Word has length 59 [2024-11-09 01:16:59,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:59,744 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 382 transitions. [2024-11-09 01:16:59,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 01:16:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 382 transitions. [2024-11-09 01:16:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 01:16:59,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:59,750 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:16:59,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 01:16:59,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:59,951 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:16:59,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:59,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1462867208, now seen corresponding path program 1 times [2024-11-09 01:16:59,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:16:59,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063727762] [2024-11-09 01:16:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:59,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:16:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:16:59,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730037210] [2024-11-09 01:16:59,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:59,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:59,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:59,983 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:59,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 01:17:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:00,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 01:17:00,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 01:17:00,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:17:03,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:03,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063727762] [2024-11-09 01:17:03,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:17:03,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730037210] [2024-11-09 01:17:03,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730037210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:17:03,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1691523957] [2024-11-09 01:17:03,418 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2024-11-09 01:17:03,418 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:17:03,418 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:17:03,418 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:17:03,419 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:17:04,423 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2024-11-09 01:17:04,427 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-09 01:17:04,428 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:17:05,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1691523957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:05,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:17:05,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [7] total 20 [2024-11-09 01:17:05,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382585820] [2024-11-09 01:17:05,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:05,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 01:17:05,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:05,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 01:17:05,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=367, Unknown=1, NotChecked=0, Total=506 [2024-11-09 01:17:05,560 INFO L87 Difference]: Start difference. First operand 297 states and 382 transitions. Second operand has 15 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-09 01:17:06,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:06,599 INFO L93 Difference]: Finished difference Result 487 states and 617 transitions. [2024-11-09 01:17:06,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 01:17:06,599 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 66 [2024-11-09 01:17:06,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:06,601 INFO L225 Difference]: With dead ends: 487 [2024-11-09 01:17:06,601 INFO L226 Difference]: Without dead ends: 302 [2024-11-09 01:17:06,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=138, Invalid=367, Unknown=1, NotChecked=0, Total=506 [2024-11-09 01:17:06,602 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 737 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:06,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 109 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 01:17:06,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-09 01:17:06,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 299. [2024-11-09 01:17:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 213 states have (on average 1.511737089201878) internal successors, (322), 272 states have internal predecessors, (322), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:17:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 368 transitions. [2024-11-09 01:17:06,628 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 368 transitions. Word has length 66 [2024-11-09 01:17:06,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:06,629 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 368 transitions. [2024-11-09 01:17:06,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-09 01:17:06,629 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 368 transitions. [2024-11-09 01:17:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 01:17:06,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:06,630 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:06,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 01:17:06,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:06,834 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:17:06,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:06,835 INFO L85 PathProgramCache]: Analyzing trace with hash -2052868608, now seen corresponding path program 1 times [2024-11-09 01:17:06,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:17:06,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541161583] [2024-11-09 01:17:06,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:06,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:17:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:17:06,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543097693] [2024-11-09 01:17:06,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:06,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:06,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:17:06,901 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:17:06,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 01:17:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:06,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 01:17:06,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 01:17:07,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:17:07,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:07,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541161583] [2024-11-09 01:17:07,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:17:07,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543097693] [2024-11-09 01:17:07,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543097693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:17:07,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [578216360] [2024-11-09 01:17:07,291 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2024-11-09 01:17:07,292 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:17:07,292 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:17:07,292 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:17:07,293 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:17:10,317 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 58 for LOIs [2024-11-09 01:17:10,320 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-09 01:17:10,322 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:17:13,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [578216360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:13,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:17:13,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 21 [2024-11-09 01:17:13,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038668339] [2024-11-09 01:17:13,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:13,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 01:17:13,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:13,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 01:17:13,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2024-11-09 01:17:13,356 INFO L87 Difference]: Start difference. First operand 299 states and 368 transitions. Second operand has 17 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 01:17:14,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:14,569 INFO L93 Difference]: Finished difference Result 310 states and 370 transitions. [2024-11-09 01:17:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 01:17:14,570 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 83 [2024-11-09 01:17:14,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:14,571 INFO L225 Difference]: With dead ends: 310 [2024-11-09 01:17:14,571 INFO L226 Difference]: Without dead ends: 302 [2024-11-09 01:17:14,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 110 SyntacticMatches, 41 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2024-11-09 01:17:14,572 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 364 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:14,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 136 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 01:17:14,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-09 01:17:14,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2024-11-09 01:17:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 210 states have (on average 1.480952380952381) internal successors, (311), 269 states have internal predecessors, (311), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:17:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 357 transitions. [2024-11-09 01:17:14,595 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 357 transitions. Word has length 83 [2024-11-09 01:17:14,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:14,596 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 357 transitions. [2024-11-09 01:17:14,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 01:17:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 357 transitions. [2024-11-09 01:17:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 01:17:14,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:14,598 INFO L215 NwaCegarLoop]: trace histogram [8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:14,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 01:17:14,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:14,802 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:17:14,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:14,803 INFO L85 PathProgramCache]: Analyzing trace with hash -664801031, now seen corresponding path program 1 times [2024-11-09 01:17:14,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:17:14,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628413256] [2024-11-09 01:17:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:17:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-09 01:17:15,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:15,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628413256] [2024-11-09 01:17:15,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628413256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:15,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:17:15,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:17:15,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486433662] [2024-11-09 01:17:15,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:15,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:17:15,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:15,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:17:15,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:17:15,220 INFO L87 Difference]: Start difference. First operand 297 states and 357 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 01:17:15,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:15,346 INFO L93 Difference]: Finished difference Result 300 states and 361 transitions. [2024-11-09 01:17:15,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:17:15,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 135 [2024-11-09 01:17:15,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:15,348 INFO L225 Difference]: With dead ends: 300 [2024-11-09 01:17:15,348 INFO L226 Difference]: Without dead ends: 299 [2024-11-09 01:17:15,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:17:15,349 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 2 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:15,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 415 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:17:15,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-09 01:17:15,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 298. [2024-11-09 01:17:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 211 states have (on average 1.4786729857819905) internal successors, (312), 270 states have internal predecessors, (312), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:17:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 358 transitions. [2024-11-09 01:17:15,372 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 358 transitions. Word has length 135 [2024-11-09 01:17:15,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:15,373 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 358 transitions. [2024-11-09 01:17:15,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 01:17:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 358 transitions. [2024-11-09 01:17:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 01:17:15,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:15,376 INFO L215 NwaCegarLoop]: trace histogram [8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:15,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 01:17:15,376 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:17:15,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:15,377 INFO L85 PathProgramCache]: Analyzing trace with hash 866004689, now seen corresponding path program 1 times [2024-11-09 01:17:15,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:17:15,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488503838] [2024-11-09 01:17:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:15,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:17:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:17:15,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [238468818] [2024-11-09 01:17:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:15,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:15,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:17:15,444 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:17:15,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 01:17:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:15,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:17:15,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-09 01:17:15,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:17:15,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:15,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488503838] [2024-11-09 01:17:15,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:17:15,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238468818] [2024-11-09 01:17:15,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238468818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:15,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:17:15,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:17:15,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438234487] [2024-11-09 01:17:15,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:15,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:17:15,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:15,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:17:15,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:17:15,945 INFO L87 Difference]: Start difference. First operand 298 states and 358 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 01:17:16,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:16,385 INFO L93 Difference]: Finished difference Result 300 states and 360 transitions. [2024-11-09 01:17:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:17:16,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 136 [2024-11-09 01:17:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:16,387 INFO L225 Difference]: With dead ends: 300 [2024-11-09 01:17:16,387 INFO L226 Difference]: Without dead ends: 299 [2024-11-09 01:17:16,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 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 01:17:16,388 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 3 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:16,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 292 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 01:17:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-09 01:17:16,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-09 01:17:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 212 states have (on average 1.4764150943396226) internal successors, (313), 271 states have internal predecessors, (313), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:17:16,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 359 transitions. [2024-11-09 01:17:16,415 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 359 transitions. Word has length 136 [2024-11-09 01:17:16,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:16,415 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 359 transitions. [2024-11-09 01:17:16,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 01:17:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 359 transitions. [2024-11-09 01:17:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 01:17:16,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:16,418 INFO L215 NwaCegarLoop]: trace histogram [8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:16,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 01:17:16,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:16,618 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:17:16,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:16,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1076341755, now seen corresponding path program 1 times [2024-11-09 01:17:16,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:17:16,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844122935] [2024-11-09 01:17:16,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:16,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:17:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:17:16,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899988692] [2024-11-09 01:17:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:16,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:16,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:17:16,658 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:17:16,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 01:17:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:16,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:17:16,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-09 01:17:17,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:17:17,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:17,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844122935] [2024-11-09 01:17:17,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:17:17,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899988692] [2024-11-09 01:17:17,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899988692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:17,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:17:17,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:17:17,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261848814] [2024-11-09 01:17:17,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:17,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:17:17,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:17,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:17:17,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:17:17,152 INFO L87 Difference]: Start difference. First operand 299 states and 359 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 01:17:17,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:17,805 INFO L93 Difference]: Finished difference Result 308 states and 371 transitions. [2024-11-09 01:17:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:17:17,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 137 [2024-11-09 01:17:17,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:17,807 INFO L225 Difference]: With dead ends: 308 [2024-11-09 01:17:17,807 INFO L226 Difference]: Without dead ends: 307 [2024-11-09 01:17:17,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:17:17,808 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 7 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:17,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 403 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 01:17:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-09 01:17:17,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 300. [2024-11-09 01:17:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 213 states have (on average 1.4741784037558685) internal successors, (314), 272 states have internal predecessors, (314), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:17:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 360 transitions. [2024-11-09 01:17:17,834 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 360 transitions. Word has length 137 [2024-11-09 01:17:17,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:17,835 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 360 transitions. [2024-11-09 01:17:17,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 01:17:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 360 transitions. [2024-11-09 01:17:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 01:17:17,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:17,838 INFO L215 NwaCegarLoop]: trace histogram [8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:17,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 01:17:18,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 01:17:18,039 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:17:18,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:18,039 INFO L85 PathProgramCache]: Analyzing trace with hash -993143789, now seen corresponding path program 1 times [2024-11-09 01:17:18,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:17:18,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813573476] [2024-11-09 01:17:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:18,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:17:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:17:18,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1146193509] [2024-11-09 01:17:18,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:18,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:18,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:17:18,076 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:17:18,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 01:17:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:18,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:17:18,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-09 01:17:18,529 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:17:19,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813573476] [2024-11-09 01:17:19,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:17:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146193509] [2024-11-09 01:17:19,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146193509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:17:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1258004451] [2024-11-09 01:17:19,556 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2024-11-09 01:17:19,556 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:17:19,556 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:17:19,557 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:17:19,557 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:17:21,916 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 58 for LOIs [2024-11-09 01:17:21,918 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-09 01:17:21,919 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:17:26,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1258004451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:26,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:17:26,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [4] total 22 [2024-11-09 01:17:26,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309157986] [2024-11-09 01:17:26,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:26,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 01:17:26,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:26,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 01:17:26,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 01:17:26,764 INFO L87 Difference]: Start difference. First operand 300 states and 360 transitions. Second operand has 20 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 01:17:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:28,154 INFO L93 Difference]: Finished difference Result 545 states and 659 transitions. [2024-11-09 01:17:28,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 01:17:28,155 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 138 [2024-11-09 01:17:28,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:28,157 INFO L225 Difference]: With dead ends: 545 [2024-11-09 01:17:28,157 INFO L226 Difference]: Without dead ends: 304 [2024-11-09 01:17:28,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 235 SyntacticMatches, 80 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2024-11-09 01:17:28,158 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 667 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:28,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 121 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 01:17:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-09 01:17:28,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 303. [2024-11-09 01:17:28,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 216 states have (on average 1.462962962962963) internal successors, (316), 275 states have internal predecessors, (316), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 01:17:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 362 transitions. [2024-11-09 01:17:28,184 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 362 transitions. Word has length 138 [2024-11-09 01:17:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:28,185 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 362 transitions. [2024-11-09 01:17:28,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 01:17:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 362 transitions. [2024-11-09 01:17:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 01:17:28,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:28,191 INFO L215 NwaCegarLoop]: trace histogram [8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:28,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 01:17:28,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 01:17:28,392 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-09 01:17:28,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:28,392 INFO L85 PathProgramCache]: Analyzing trace with hash 556051615, now seen corresponding path program 1 times [2024-11-09 01:17:28,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:17:28,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891406526] [2024-11-09 01:17:28,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:28,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:17:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:17:28,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2128836766] [2024-11-09 01:17:28,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:28,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:17:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:17:28,421 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:17:28,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 01:17:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:28,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 01:17:28,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 01:17:29,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:17:31,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:17:31,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891406526] [2024-11-09 01:17:31,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:17:31,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128836766] [2024-11-09 01:17:31,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128836766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:17:31,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [156739411] [2024-11-09 01:17:31,964 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2024-11-09 01:17:31,964 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:17:31,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:17:31,965 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:17:31,965 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:17:36,993 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 59 for LOIs [2024-11-09 01:17:36,996 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2024-11-09 01:17:36,997 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:17:43,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [156739411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:43,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:17:43,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [11] total 31 [2024-11-09 01:17:43,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798685952] [2024-11-09 01:17:43,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:43,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 01:17:43,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:17:43,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 01:17:43,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=1033, Unknown=1, NotChecked=0, Total=1332 [2024-11-09 01:17:43,813 INFO L87 Difference]: Start difference. First operand 303 states and 362 transitions. Second operand has 22 states, 15 states have (on average 4.333333333333333) internal successors, (65), 16 states have internal predecessors, (65), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 01:17:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:44,938 INFO L93 Difference]: Finished difference Result 321 states and 392 transitions. [2024-11-09 01:17:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 01:17:44,938 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 15 states have (on average 4.333333333333333) internal successors, (65), 16 states have internal predecessors, (65), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) Word has length 143 [2024-11-09 01:17:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:44,939 INFO L225 Difference]: With dead ends: 321 [2024-11-09 01:17:44,939 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 01:17:44,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 184 SyntacticMatches, 80 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1629 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=314, Invalid=1091, Unknown=1, NotChecked=0, Total=1406 [2024-11-09 01:17:44,941 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 99 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:44,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 50 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 01:17:44,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 01:17:44,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 01:17:44,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:17:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 01:17:44,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2024-11-09 01:17:44,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:44,945 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 01:17:44,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 15 states have (on average 4.333333333333333) internal successors, (65), 16 states have internal predecessors, (65), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-09 01:17:44,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 01:17:44,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:17:44,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 64 remaining) [2024-11-09 01:17:44,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 64 remaining) [2024-11-09 01:17:44,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 64 remaining) [2024-11-09 01:17:44,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 64 remaining) [2024-11-09 01:17:44,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 64 remaining) [2024-11-09 01:17:44,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 64 remaining) [2024-11-09 01:17:44,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 64 remaining) [2024-11-09 01:17:44,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 64 remaining) [2024-11-09 01:17:44,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 64 remaining) [2024-11-09 01:17:44,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 64 remaining) [2024-11-09 01:17:44,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 64 remaining) [2024-11-09 01:17:44,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 64 remaining) [2024-11-09 01:17:44,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 64 remaining) [2024-11-09 01:17:44,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 64 remaining) [2024-11-09 01:17:44,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 64 remaining) [2024-11-09 01:17:44,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 64 remaining) [2024-11-09 01:17:44,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 64 remaining) [2024-11-09 01:17:44,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 64 remaining) [2024-11-09 01:17:44,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 64 remaining) [2024-11-09 01:17:44,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 64 remaining) [2024-11-09 01:17:44,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 64 remaining) [2024-11-09 01:17:44,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 64 remaining) [2024-11-09 01:17:44,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 64 remaining) [2024-11-09 01:17:44,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 64 remaining) [2024-11-09 01:17:44,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 64 remaining) [2024-11-09 01:17:44,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 64 remaining) [2024-11-09 01:17:44,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 64 remaining) [2024-11-09 01:17:44,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 64 remaining) [2024-11-09 01:17:44,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 64 remaining) [2024-11-09 01:17:44,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 64 remaining) [2024-11-09 01:17:44,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 64 remaining) [2024-11-09 01:17:44,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 64 remaining) [2024-11-09 01:17:44,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 64 remaining) [2024-11-09 01:17:44,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 64 remaining) [2024-11-09 01:17:44,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 64 remaining) [2024-11-09 01:17:44,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 64 remaining) [2024-11-09 01:17:44,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 64 remaining) [2024-11-09 01:17:44,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 64 remaining) [2024-11-09 01:17:44,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 64 remaining) [2024-11-09 01:17:44,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 64 remaining) [2024-11-09 01:17:44,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 64 remaining) [2024-11-09 01:17:44,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 64 remaining) [2024-11-09 01:17:44,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 64 remaining) [2024-11-09 01:17:44,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 64 remaining) [2024-11-09 01:17:44,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 64 remaining) [2024-11-09 01:17:44,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 64 remaining) [2024-11-09 01:17:44,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 64 remaining) [2024-11-09 01:17:44,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 64 remaining) [2024-11-09 01:17:44,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 64 remaining) [2024-11-09 01:17:44,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 64 remaining) [2024-11-09 01:17:44,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 64 remaining) [2024-11-09 01:17:44,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 64 remaining) [2024-11-09 01:17:44,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 64 remaining) [2024-11-09 01:17:44,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 64 remaining) [2024-11-09 01:17:44,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 64 remaining) [2024-11-09 01:17:44,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 01:17:45,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 01:17:45,168 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:17:45,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 01:17:47,467 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:17:47,483 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:17:47,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,485 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:17:47,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:17:47,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:17:47,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:17:47,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:17:47,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:17:47,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,489 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,489 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:17:47,489 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,489 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,490 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,490 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,490 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,490 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,502 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,502 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,503 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,503 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,504 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,504 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,504 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:17:47,504 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:17:47,505 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:17:47,505 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:17:47,505 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:17:47,505 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:17:47,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:17:47,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:17:47,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:17:47,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:17:47,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:17:47,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:17:47,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:17:47,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:17:47,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:17:47,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:17:47,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:17:47,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:17:47,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:17:47,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:17:47,534 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:17:47,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:17:47 BoogieIcfgContainer [2024-11-09 01:17:47,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:17:47,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:17:47,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:17:47,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:17:47,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:39" (3/4) ... [2024-11-09 01:17:47,541 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:17:47,545 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 01:17:47,545 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 01:17:47,556 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-09 01:17:47,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 01:17:47,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:17:47,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:17:47,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:17:47,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 01:17:47,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:17:47,672 INFO L158 Benchmark]: Toolchain (without parser) took 70119.89ms. Allocated memory was 159.4MB in the beginning and 583.0MB in the end (delta: 423.6MB). Free memory was 121.7MB in the beginning and 534.4MB in the end (delta: -412.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-09 01:17:47,673 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 75.8MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:17:47,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.83ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 108.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:17:47,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.08ms. Allocated memory is still 159.4MB. Free memory was 108.4MB in the beginning and 106.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:17:47,674 INFO L158 Benchmark]: Boogie Preprocessor took 30.49ms. Allocated memory is still 159.4MB. Free memory was 106.4MB in the beginning and 105.5MB in the end (delta: 922.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:17:47,675 INFO L158 Benchmark]: RCFGBuilder took 1414.71ms. Allocated memory is still 159.4MB. Free memory was 104.9MB in the beginning and 128.4MB in the end (delta: -23.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-09 01:17:47,675 INFO L158 Benchmark]: TraceAbstraction took 68156.13ms. Allocated memory was 159.4MB in the beginning and 583.0MB in the end (delta: 423.6MB). Free memory was 128.4MB in the beginning and 541.7MB in the end (delta: -413.3MB). Peak memory consumption was 351.1MB. Max. memory is 16.1GB. [2024-11-09 01:17:47,676 INFO L158 Benchmark]: Witness Printer took 133.17ms. Allocated memory is still 583.0MB. Free memory was 541.7MB in the beginning and 534.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:17:47,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 75.8MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.83ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 108.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.08ms. Allocated memory is still 159.4MB. Free memory was 108.4MB in the beginning and 106.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.49ms. Allocated memory is still 159.4MB. Free memory was 106.4MB in the beginning and 105.5MB in the end (delta: 922.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1414.71ms. Allocated memory is still 159.4MB. Free memory was 104.9MB in the beginning and 128.4MB in the end (delta: -23.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * TraceAbstraction took 68156.13ms. Allocated memory was 159.4MB in the beginning and 583.0MB in the end (delta: 423.6MB). Free memory was 128.4MB in the beginning and 541.7MB in the end (delta: -413.3MB). Peak memory consumption was 351.1MB. Max. memory is 16.1GB. * Witness Printer took 133.17ms. Allocated memory is still 583.0MB. Free memory was 541.7MB in the beginning and 534.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 154 locations, 64 error locations. Started 1 CEGAR loops. OverallTime: 65.7s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 3666 SdHoareTripleChecker+Valid, 17.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3581 mSDsluCounter, 3477 SdHoareTripleChecker+Invalid, 15.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1989 mSDsCounter, 254 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6124 IncrementalHoareTripleChecker+Invalid, 6381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 254 mSolverCounterUnsat, 1488 mSDtfsCounter, 6124 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1623 GetRequests, 1265 SyntacticMatches, 201 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3056 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=15, InterpolantAutomatonStates: 136, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 210 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 2251 NumberOfCodeBlocks, 2251 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1223 ConstructedInterpolants, 55 QuantifiedInterpolants, 6694 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2212 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 918/1022 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: 12.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 14, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 350, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 633, TOOLS_POST_TIME: 5.5s, TOOLS_POST_CALL_APPLICATIONS: 201, TOOLS_POST_CALL_TIME: 2.4s, TOOLS_POST_RETURN_APPLICATIONS: 158, TOOLS_POST_RETURN_TIME: 1.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 984, TOOLS_QUANTIFIERELIM_TIME: 9.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1170, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 198, DOMAIN_JOIN_TIME: 1.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 350, DOMAIN_ISBOTTOM_TIME: 0.5s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 4.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 158, CALL_SUMMARIZER_CACHE_MISSES: 9, 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: 0.3s, DAG_COMPRESSION_PROCESSED_NODES: 18781, DAG_COMPRESSION_RETAINED_NODES: 962, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 64 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((((((((((((b == 1) && (p == 1)) && (c == 1)) && (xy == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (k == 0)) && (s == 1)) || ((((((((((((c == 0) && (k == 1)) && (b == 1)) && (p == 1)) && (xy == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((((((((((b == 1) && (p == 1)) && (xy == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1)) || ((((((((((p == 0) && (b == 0)) && (xy == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (q == 1)) && (y == 1)) && (r == 1)) && (((__int128) s + 1) == 0))) - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-09 01:17:47,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137e97d-5068-42ab-8692-2b52c429ad73/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE