./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/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_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/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_691095da-e58e-46ba-b56f-c935ab6a8dd3/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 b2a54f54b02d2bb65a6f46eeae11edba1907f4f082d2aaa313102e422e7e6122 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:08:27,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:08:27,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 01:08:27,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:08:27,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:08:27,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:08:27,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:08:27,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:08:27,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:08:27,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:08:27,960 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:08:27,961 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:08:27,961 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:08:27,961 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:08:27,962 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:08:27,962 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:08:27,965 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:08:27,966 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:08:27,966 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:08:27,969 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:08:27,969 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:08:27,970 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:08:27,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:08:27,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:08:27,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:08:27,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:08:27,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:08:27,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:08:27,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:08:27,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:08:27,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:08:27,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:08:27,974 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:08:27,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:08:27,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:08:27,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:08:27,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:08:27,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:08:27,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:08:27,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:08:27,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:08:27,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:08:27,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:08:27,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:08:27,978 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:08:27,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:08:27,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:08:27,979 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:08:27,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:08:27,979 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_691095da-e58e-46ba-b56f-c935ab6a8dd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2a54f54b02d2bb65a6f46eeae11edba1907f4f082d2aaa313102e422e7e6122 [2024-11-09 01:08:28,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:08:28,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:08:28,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:08:28,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:08:28,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:08:28,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c Unable to find full path for "g++" [2024-11-09 01:08:30,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:08:30,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:08:30,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c [2024-11-09 01:08:30,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/data/40a627804/ee16c78780c249c198c7406979b8a3e3/FLAG3d9b12711 [2024-11-09 01:08:30,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/data/40a627804/ee16c78780c249c198c7406979b8a3e3 [2024-11-09 01:08:30,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:08:30,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:08:30,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:08:30,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:08:30,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:08:30,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e43d89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30, skipping insertion in model container [2024-11-09 01:08:30,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:08:30,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:08:30,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:08:30,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:08:30,849 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:08:30,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30 WrapperNode [2024-11-09 01:08:30,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:08:30,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:08:30,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:08:30,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:08:30,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,912 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-09 01:08:30,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:08:30,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:08:30,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:08:30,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:08:30,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:08:30,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:08:30,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:08:30,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:08:30,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (1/1) ... [2024-11-09 01:08:30,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:08:30,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:31,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:08:31,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:08:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:08:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:08:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:08:31,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:08:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 01:08:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 01:08:31,128 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:08:31,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:08:31,691 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-09 01:08:31,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:08:31,773 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:08:31,774 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:08:31,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:08:31 BoogieIcfgContainer [2024-11-09 01:08:31,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:08:31,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:08:31,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:08:31,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:08:31,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:08:30" (1/3) ... [2024-11-09 01:08:31,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583f8897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:08:31, skipping insertion in model container [2024-11-09 01:08:31,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:08:30" (2/3) ... [2024-11-09 01:08:31,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583f8897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:08:31, skipping insertion in model container [2024-11-09 01:08:31,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:08:31" (3/3) ... [2024-11-09 01:08:31,816 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-ll_valuebound5.c [2024-11-09 01:08:31,857 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:08:31,858 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-11-09 01:08:31,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:08:31,943 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;@25bccf08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:08:31,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-09 01:08:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 65 states have (on average 1.9538461538461538) internal successors, (127), 125 states have internal predecessors, (127), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 01:08:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 01:08:31,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:31,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 01:08:31,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:31,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:31,973 INFO L85 PathProgramCache]: Analyzing trace with hash 205238, now seen corresponding path program 1 times [2024-11-09 01:08:31,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:31,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178665360] [2024-11-09 01:08:31,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:32,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:32,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178665360] [2024-11-09 01:08:32,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178665360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:32,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:32,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 01:08:32,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284011552] [2024-11-09 01:08:32,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:32,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:08:32,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:32,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:08:32,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:08:32,208 INFO L87 Difference]: Start difference. First operand has 130 states, 65 states have (on average 1.9538461538461538) internal successors, (127), 125 states have internal predecessors, (127), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:32,443 INFO L93 Difference]: Finished difference Result 286 states and 326 transitions. [2024-11-09 01:08:32,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:08:32,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 01:08:32,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:32,460 INFO L225 Difference]: With dead ends: 286 [2024-11-09 01:08:32,461 INFO L226 Difference]: Without dead ends: 213 [2024-11-09 01:08:32,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:08:32,471 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 93 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:32,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 168 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:08:32,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-09 01:08:32,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 150. [2024-11-09 01:08:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 95 states have (on average 1.768421052631579) internal successors, (168), 144 states have internal predecessors, (168), 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 01:08:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2024-11-09 01:08:32,544 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 3 [2024-11-09 01:08:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:32,545 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2024-11-09 01:08:32,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2024-11-09 01:08:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 01:08:32,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:32,547 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 01:08:32,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:08:32,547 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:32,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:32,548 INFO L85 PathProgramCache]: Analyzing trace with hash 6362429, now seen corresponding path program 1 times [2024-11-09 01:08:32,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:32,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807740379] [2024-11-09 01:08:32,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:32,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:32,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:32,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807740379] [2024-11-09 01:08:32,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807740379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:32,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:32,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 01:08:32,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139549527] [2024-11-09 01:08:32,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:32,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:08:32,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:32,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:08:32,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:08:32,644 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:32,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:32,853 INFO L93 Difference]: Finished difference Result 221 states and 232 transitions. [2024-11-09 01:08:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:08:32,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 01:08:32,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:32,855 INFO L225 Difference]: With dead ends: 221 [2024-11-09 01:08:32,856 INFO L226 Difference]: Without dead ends: 212 [2024-11-09 01:08:32,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:08:32,860 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 91 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:32,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 172 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:08:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-09 01:08:32,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 170. [2024-11-09 01:08:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 115 states have (on average 1.7043478260869565) internal successors, (196), 164 states have internal predecessors, (196), 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 01:08:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 204 transitions. [2024-11-09 01:08:32,880 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 204 transitions. Word has length 4 [2024-11-09 01:08:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:32,880 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 204 transitions. [2024-11-09 01:08:32,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 204 transitions. [2024-11-09 01:08:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 01:08:32,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:32,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 01:08:32,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:08:32,882 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:32,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:32,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1819328671, now seen corresponding path program 1 times [2024-11-09 01:08:32,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:32,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014587493] [2024-11-09 01:08:32,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:32,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:08:32,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [863857434] [2024-11-09 01:08:32,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:32,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:32,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:08:32,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:08:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:32,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:08:32,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:33,003 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:08:33,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:33,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014587493] [2024-11-09 01:08:33,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:08:33,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863857434] [2024-11-09 01:08:33,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863857434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:33,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:33,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 01:08:33,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466696110] [2024-11-09 01:08:33,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:33,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:08:33,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:33,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:08:33,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:08:33,011 INFO L87 Difference]: Start difference. First operand 170 states and 204 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:33,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:33,363 INFO L93 Difference]: Finished difference Result 203 states and 212 transitions. [2024-11-09 01:08:33,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:08:33,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 01:08:33,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:33,365 INFO L225 Difference]: With dead ends: 203 [2024-11-09 01:08:33,365 INFO L226 Difference]: Without dead ends: 176 [2024-11-09 01:08:33,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 01:08:33,367 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 52 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:33,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 83 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:08:33,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-09 01:08:33,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2024-11-09 01:08:33,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 168 states have internal predecessors, (177), 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 01:08:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 185 transitions. [2024-11-09 01:08:33,382 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 185 transitions. Word has length 6 [2024-11-09 01:08:33,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:33,382 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 185 transitions. [2024-11-09 01:08:33,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 185 transitions. [2024-11-09 01:08:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 01:08:33,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:33,383 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:33,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 01:08:33,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:33,584 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:33,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:33,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1902590658, now seen corresponding path program 1 times [2024-11-09 01:08:33,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:33,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053210174] [2024-11-09 01:08:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:33,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:33,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:33,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053210174] [2024-11-09 01:08:33,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053210174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:33,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:33,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:08:33,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227624664] [2024-11-09 01:08:33,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:33,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:08:33,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:33,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:08:33,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:08:33,691 INFO L87 Difference]: Start difference. First operand 174 states and 185 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:34,125 INFO L93 Difference]: Finished difference Result 187 states and 196 transitions. [2024-11-09 01:08:34,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:08:34,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 01:08:34,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:34,127 INFO L225 Difference]: With dead ends: 187 [2024-11-09 01:08:34,127 INFO L226 Difference]: Without dead ends: 185 [2024-11-09 01:08:34,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:08:34,132 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 112 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:34,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 150 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 01:08:34,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-09 01:08:34,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 174. [2024-11-09 01:08:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.4705882352941178) internal successors, (175), 168 states have internal predecessors, (175), 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 01:08:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 183 transitions. [2024-11-09 01:08:34,159 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 183 transitions. Word has length 11 [2024-11-09 01:08:34,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:34,159 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 183 transitions. [2024-11-09 01:08:34,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 183 transitions. [2024-11-09 01:08:34,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 01:08:34,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:34,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:34,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 01:08:34,165 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:34,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash -136091450, now seen corresponding path program 1 times [2024-11-09 01:08:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:34,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118727331] [2024-11-09 01:08:34,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:34,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:08:34,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934984752] [2024-11-09 01:08:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:34,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:34,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:34,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:08:34,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 01:08:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:34,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:08:34,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:34,417 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:08:34,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:34,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118727331] [2024-11-09 01:08:34,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:08:34,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934984752] [2024-11-09 01:08:34,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934984752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:34,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:34,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 01:08:34,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808766526] [2024-11-09 01:08:34,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:34,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:08:34,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:34,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:08:34,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:08:34,423 INFO L87 Difference]: Start difference. First operand 174 states and 183 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:34,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:34,726 INFO L93 Difference]: Finished difference Result 180 states and 183 transitions. [2024-11-09 01:08:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:08:34,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-09 01:08:34,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:34,728 INFO L225 Difference]: With dead ends: 180 [2024-11-09 01:08:34,728 INFO L226 Difference]: Without dead ends: 148 [2024-11-09 01:08:34,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 01:08:34,729 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 39 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:34,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 77 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:08:34,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-09 01:08:34,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2024-11-09 01:08:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 92 states have (on average 1.565217391304348) internal successors, (144), 141 states have internal predecessors, (144), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 01:08:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 150 transitions. [2024-11-09 01:08:34,747 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 150 transitions. Word has length 19 [2024-11-09 01:08:34,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:34,747 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 150 transitions. [2024-11-09 01:08:34,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:08:34,748 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2024-11-09 01:08:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 01:08:34,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:34,749 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:34,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 01:08:34,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:34,949 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:34,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:34,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1876726808, now seen corresponding path program 1 times [2024-11-09 01:08:34,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:34,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776170703] [2024-11-09 01:08:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:34,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:35,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:35,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776170703] [2024-11-09 01:08:35,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776170703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:35,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:35,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:08:35,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664214130] [2024-11-09 01:08:35,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:35,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:08:35,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:35,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:08:35,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:08:35,055 INFO L87 Difference]: Start difference. First operand 146 states and 150 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:35,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:35,081 INFO L93 Difference]: Finished difference Result 148 states and 150 transitions. [2024-11-09 01:08:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:08:35,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-09 01:08:35,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:35,082 INFO L225 Difference]: With dead ends: 148 [2024-11-09 01:08:35,083 INFO L226 Difference]: Without dead ends: 146 [2024-11-09 01:08:35,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:08:35,084 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:35,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 223 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:08:35,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-09 01:08:35,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-09 01:08:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 92 states have (on average 1.5434782608695652) internal successors, (142), 141 states have internal predecessors, (142), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 01:08:35,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 148 transitions. [2024-11-09 01:08:35,092 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 148 transitions. Word has length 29 [2024-11-09 01:08:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:35,094 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 148 transitions. [2024-11-09 01:08:35,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2024-11-09 01:08:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 01:08:35,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:35,095 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:35,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 01:08:35,096 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:35,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash 904623297, now seen corresponding path program 1 times [2024-11-09 01:08:35,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:35,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509773697] [2024-11-09 01:08:35,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:35,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:08:35,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957107643] [2024-11-09 01:08:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:35,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:35,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:35,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:08:35,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 01:08:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:35,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:08:35,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:35,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:35,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:08:35,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:35,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509773697] [2024-11-09 01:08:35,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:08:35,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957107643] [2024-11-09 01:08:35,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957107643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:35,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:35,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:08:35,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894522685] [2024-11-09 01:08:35,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:35,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:08:35,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:35,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:08:35,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:08:35,301 INFO L87 Difference]: Start difference. First operand 146 states and 148 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:35,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:35,639 INFO L93 Difference]: Finished difference Result 242 states and 264 transitions. [2024-11-09 01:08:35,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:08:35,640 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-09 01:08:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:35,641 INFO L225 Difference]: With dead ends: 242 [2024-11-09 01:08:35,642 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 01:08:35,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:08:35,643 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 66 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:35,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 90 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:08:35,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 01:08:35,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 208. [2024-11-09 01:08:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 152 states have (on average 1.480263157894737) internal successors, (225), 201 states have internal predecessors, (225), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 01:08:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 235 transitions. [2024-11-09 01:08:35,657 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 235 transitions. Word has length 34 [2024-11-09 01:08:35,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:35,659 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 235 transitions. [2024-11-09 01:08:35,659 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 235 transitions. [2024-11-09 01:08:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 01:08:35,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:35,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:35,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 01:08:35,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:35,865 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:35,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:35,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1287031184, now seen corresponding path program 1 times [2024-11-09 01:08:35,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:35,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491814624] [2024-11-09 01:08:35,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:35,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:36,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:36,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491814624] [2024-11-09 01:08:36,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491814624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:36,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:36,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:08:36,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109453328] [2024-11-09 01:08:36,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:36,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:08:36,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:36,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:08:36,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:08:36,036 INFO L87 Difference]: Start difference. First operand 208 states and 235 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:36,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:36,457 INFO L93 Difference]: Finished difference Result 208 states and 235 transitions. [2024-11-09 01:08:36,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:08:36,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-09 01:08:36,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:36,462 INFO L225 Difference]: With dead ends: 208 [2024-11-09 01:08:36,462 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 01:08:36,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:08:36,464 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 84 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:36,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 40 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 01:08:36,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 01:08:36,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-09 01:08:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 152 states have (on average 1.4671052631578947) internal successors, (223), 200 states have internal predecessors, (223), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 01:08:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 233 transitions. [2024-11-09 01:08:36,477 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 233 transitions. Word has length 37 [2024-11-09 01:08:36,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:36,478 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 233 transitions. [2024-11-09 01:08:36,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 233 transitions. [2024-11-09 01:08:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 01:08:36,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:36,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:36,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 01:08:36,479 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:36,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:36,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1243260923, now seen corresponding path program 1 times [2024-11-09 01:08:36,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:36,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882861527] [2024-11-09 01:08:36,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:36,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:36,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:36,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882861527] [2024-11-09 01:08:36,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882861527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:36,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:36,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:08:36,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565367493] [2024-11-09 01:08:36,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:36,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:08:36,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:36,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:08:36,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:08:36,568 INFO L87 Difference]: Start difference. First operand 207 states and 233 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:36,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:36,857 INFO L93 Difference]: Finished difference Result 208 states and 233 transitions. [2024-11-09 01:08:36,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:08:36,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-09 01:08:36,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:36,859 INFO L225 Difference]: With dead ends: 208 [2024-11-09 01:08:36,859 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 01:08:36,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:08:36,863 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 29 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:36,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 181 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:08:36,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 01:08:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-09 01:08:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 152 states have (on average 1.4605263157894737) internal successors, (222), 200 states have internal predecessors, (222), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 01:08:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 232 transitions. [2024-11-09 01:08:36,878 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 232 transitions. Word has length 38 [2024-11-09 01:08:36,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:36,879 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 232 transitions. [2024-11-09 01:08:36,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 232 transitions. [2024-11-09 01:08:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 01:08:36,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:36,882 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 01:08:36,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 01:08:36,882 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:36,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:36,883 INFO L85 PathProgramCache]: Analyzing trace with hash -772837209, now seen corresponding path program 1 times [2024-11-09 01:08:36,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:36,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711593341] [2024-11-09 01:08:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:08:36,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853154694] [2024-11-09 01:08:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:36,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:36,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:36,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:08:36,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 01:08:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:36,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 01:08:36,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:37,215 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:08:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:37,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:37,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711593341] [2024-11-09 01:08:37,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:08:37,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853154694] [2024-11-09 01:08:37,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853154694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:08:37,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2116352790] [2024-11-09 01:08:37,434 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2024-11-09 01:08:37,435 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:08:37,438 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:08:37,444 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:08:37,444 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:08:40,830 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 52 for LOIs [2024-11-09 01:08:40,867 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:08:44,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2116352790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:44,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:08:44,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4] total 20 [2024-11-09 01:08:44,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43752803] [2024-11-09 01:08:44,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:44,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 01:08:44,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:44,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 01:08:44,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-09 01:08:44,444 INFO L87 Difference]: Start difference. First operand 207 states and 232 transitions. Second operand has 15 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:45,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:45,368 INFO L93 Difference]: Finished difference Result 209 states and 233 transitions. [2024-11-09 01:08:45,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 01:08:45,368 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-09 01:08:45,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:45,369 INFO L225 Difference]: With dead ends: 209 [2024-11-09 01:08:45,369 INFO L226 Difference]: Without dead ends: 184 [2024-11-09 01:08:45,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 79 SyntacticMatches, 20 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2024-11-09 01:08:45,371 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 54 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:45,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 120 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 01:08:45,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-09 01:08:45,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2024-11-09 01:08:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 149 states have (on average 1.2416107382550337) internal successors, (185), 172 states have internal predecessors, (185), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 01:08:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 195 transitions. [2024-11-09 01:08:45,385 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 195 transitions. Word has length 40 [2024-11-09 01:08:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:45,386 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 195 transitions. [2024-11-09 01:08:45,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 195 transitions. [2024-11-09 01:08:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:08:45,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:45,389 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:45,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 01:08:45,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 01:08:45,590 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:45,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:45,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1811850348, now seen corresponding path program 1 times [2024-11-09 01:08:45,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:45,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323643611] [2024-11-09 01:08:45,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:45,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:08:45,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [407649134] [2024-11-09 01:08:45,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:45,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:45,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:45,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:08:45,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 01:08:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:45,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 01:08:45,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:45,850 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:08:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:08:45,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:45,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323643611] [2024-11-09 01:08:45,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:08:45,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407649134] [2024-11-09 01:08:45,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407649134] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:08:45,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [197960153] [2024-11-09 01:08:45,991 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2024-11-09 01:08:45,991 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:08:45,991 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:08:45,991 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:08:45,992 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:08:47,688 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 52 for LOIs [2024-11-09 01:08:47,709 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:08:50,599 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4882#(and (<= 1 |#StackHeapBarrier|) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= (+ 2305843009213693952 (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* (- 1) |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* (- 2) |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) 4)) 0) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (+ 9223372036854775806 (* |ULTIMATE.start_main_~y~0#1| 4) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 4))))' at error location [2024-11-09 01:08:50,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 01:08:50,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:08:50,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 01:08:50,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612566483] [2024-11-09 01:08:50,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 01:08:50,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 01:08:50,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:50,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 01:08:50,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2024-11-09 01:08:50,601 INFO L87 Difference]: Start difference. First operand 180 states and 195 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:08:51,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:51,266 INFO L93 Difference]: Finished difference Result 201 states and 212 transitions. [2024-11-09 01:08:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 01:08:51,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-09 01:08:51,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:51,268 INFO L225 Difference]: With dead ends: 201 [2024-11-09 01:08:51,268 INFO L226 Difference]: Without dead ends: 193 [2024-11-09 01:08:51,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 80 SyntacticMatches, 21 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2024-11-09 01:08:51,270 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 165 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:51,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 104 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 01:08:51,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-09 01:08:51,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 188. [2024-11-09 01:08:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 161 states have (on average 1.1677018633540373) internal successors, (188), 180 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 01:08:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 198 transitions. [2024-11-09 01:08:51,283 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 198 transitions. Word has length 41 [2024-11-09 01:08:51,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:51,283 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 198 transitions. [2024-11-09 01:08:51,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:08:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 198 transitions. [2024-11-09 01:08:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 01:08:51,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:51,285 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:51,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 01:08:51,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 01:08:51,489 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:51,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:51,490 INFO L85 PathProgramCache]: Analyzing trace with hash 997916530, now seen corresponding path program 1 times [2024-11-09 01:08:51,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:51,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523598284] [2024-11-09 01:08:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:51,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:08:51,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968708975] [2024-11-09 01:08:51,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:51,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:08:51,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 01:08:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:51,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:08:51,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:08:51,921 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:08:51,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:51,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523598284] [2024-11-09 01:08:51,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:08:51,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968708975] [2024-11-09 01:08:51,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968708975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:51,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:08:51,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:08:51,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118263652] [2024-11-09 01:08:51,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:51,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:08:51,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:51,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:08:51,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:08:51,924 INFO L87 Difference]: Start difference. First operand 188 states and 198 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:08:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:52,063 INFO L93 Difference]: Finished difference Result 188 states and 198 transitions. [2024-11-09 01:08:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:08:52,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 66 [2024-11-09 01:08:52,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:52,065 INFO L225 Difference]: With dead ends: 188 [2024-11-09 01:08:52,065 INFO L226 Difference]: Without dead ends: 183 [2024-11-09 01:08:52,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 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 01:08:52,066 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 60 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:52,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 28 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:08:52,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-09 01:08:52,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-09 01:08:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 161 states have (on average 1.124223602484472) internal successors, (181), 175 states have internal predecessors, (181), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 01:08:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 191 transitions. [2024-11-09 01:08:52,079 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 191 transitions. Word has length 66 [2024-11-09 01:08:52,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:52,080 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 191 transitions. [2024-11-09 01:08:52,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:08:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 191 transitions. [2024-11-09 01:08:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 01:08:52,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:52,081 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:08:52,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 01:08:52,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 01:08:52,286 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:52,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:52,286 INFO L85 PathProgramCache]: Analyzing trace with hash 870641482, now seen corresponding path program 1 times [2024-11-09 01:08:52,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:52,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39825869] [2024-11-09 01:08:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:52,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:08:52,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1397581745] [2024-11-09 01:08:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:52,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:52,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:52,308 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:08:52,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 01:08:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:52,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:08:52,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:08:52,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:08:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:08:53,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:08:53,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39825869] [2024-11-09 01:08:53,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:08:53,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397581745] [2024-11-09 01:08:53,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397581745] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:08:53,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [468281977] [2024-11-09 01:08:53,481 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2024-11-09 01:08:53,481 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:08:53,481 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:08:53,481 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:08:53,481 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:08:54,688 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 52 for LOIs [2024-11-09 01:08:54,702 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:08:57,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [468281977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:08:57,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:08:57,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [3, 3] total 19 [2024-11-09 01:08:57,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312308367] [2024-11-09 01:08:57,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:08:57,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 01:08:57,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:08:57,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 01:08:57,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-11-09 01:08:57,433 INFO L87 Difference]: Start difference. First operand 183 states and 191 transitions. Second operand has 16 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:58,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:08:58,259 INFO L93 Difference]: Finished difference Result 183 states and 191 transitions. [2024-11-09 01:08:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 01:08:58,259 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2024-11-09 01:08:58,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:08:58,260 INFO L225 Difference]: With dead ends: 183 [2024-11-09 01:08:58,260 INFO L226 Difference]: Without dead ends: 112 [2024-11-09 01:08:58,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 144 SyntacticMatches, 37 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-09 01:08:58,261 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 130 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 01:08:58,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 11 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 01:08:58,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-09 01:08:58,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-09 01:08:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 107 states have (on average 1.0093457943925233) internal successors, (108), 107 states have internal predecessors, (108), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 01:08:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 114 transitions. [2024-11-09 01:08:58,272 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 114 transitions. Word has length 67 [2024-11-09 01:08:58,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:08:58,273 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 114 transitions. [2024-11-09 01:08:58,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:08:58,273 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 114 transitions. [2024-11-09 01:08:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 01:08:58,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:08:58,275 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2024-11-09 01:08:58,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 01:08:58,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:58,476 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:08:58,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:08:58,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1671307508, now seen corresponding path program 2 times [2024-11-09 01:08:58,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:08:58,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852032645] [2024-11-09 01:08:58,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:08:58,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:08:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:08:58,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992885604] [2024-11-09 01:08:58,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 01:08:58,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:08:58,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:08:58,513 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:08:58,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 01:08:58,663 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 01:08:58,663 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 01:08:58,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 01:08:58,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 115 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 01:08:59,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:09:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 115 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 01:09:00,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:09:00,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852032645] [2024-11-09 01:09:00,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:09:00,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992885604] [2024-11-09 01:09:00,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992885604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:09:00,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1901505704] [2024-11-09 01:09:00,049 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2024-11-09 01:09:00,049 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:09:00,049 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:09:00,049 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:09:00,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:09:01,110 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 52 for LOIs [2024-11-09 01:09:01,122 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:09:08,103 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7348#(and (<= 1 |#StackHeapBarrier|) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= (+ 2305843009213693952 (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* (- 1) |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* (- 2) |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) 4)) 0) (<= |ULTIMATE.start_main_~k~0#1| 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (+ 9223372036854775806 (* |ULTIMATE.start_main_~y~0#1| 4) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 4))))' at error location [2024-11-09 01:09:08,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 01:09:08,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:09:08,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2024-11-09 01:09:08,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248810385] [2024-11-09 01:09:08,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 01:09:08,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 01:09:08,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:09:08,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 01:09:08,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2024-11-09 01:09:08,106 INFO L87 Difference]: Start difference. First operand 112 states and 114 transitions. Second operand has 18 states, 16 states have (on average 13.375) internal successors, (214), 18 states have internal predecessors, (214), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 01:09:10,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:09:10,001 INFO L93 Difference]: Finished difference Result 289 states and 300 transitions. [2024-11-09 01:09:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 01:09:10,002 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 13.375) internal successors, (214), 18 states have internal predecessors, (214), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 115 [2024-11-09 01:09:10,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:09:10,003 INFO L225 Difference]: With dead ends: 289 [2024-11-09 01:09:10,003 INFO L226 Difference]: Without dead ends: 288 [2024-11-09 01:09:10,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 252 SyntacticMatches, 61 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1729 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=375, Invalid=1517, Unknown=0, NotChecked=0, Total=1892 [2024-11-09 01:09:10,005 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 260 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:09:10,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 169 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 01:09:10,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-09 01:09:10,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 287. [2024-11-09 01:09:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 277 states have (on average 1.0036101083032491) internal successors, (278), 277 states have internal predecessors, (278), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 01:09:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 294 transitions. [2024-11-09 01:09:10,029 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 294 transitions. Word has length 115 [2024-11-09 01:09:10,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:09:10,029 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 294 transitions. [2024-11-09 01:09:10,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 13.375) internal successors, (214), 18 states have internal predecessors, (214), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 01:09:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 294 transitions. [2024-11-09 01:09:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-09 01:09:10,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:09:10,035 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1] [2024-11-09 01:09:10,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 01:09:10,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 01:09:10,236 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-09 01:09:10,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:09:10,236 INFO L85 PathProgramCache]: Analyzing trace with hash 478825149, now seen corresponding path program 3 times [2024-11-09 01:09:10,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:09:10,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054523926] [2024-11-09 01:09:10,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:09:10,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:09:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:09:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 817 proven. 187 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 01:09:11,203 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:09:11,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054523926] [2024-11-09 01:09:11,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054523926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:09:11,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390400622] [2024-11-09 01:09:11,204 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 01:09:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:09:11,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:09:11,207 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:09:11,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 01:09:11,375 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 01:09:11,375 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 01:09:11,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 01:09:11,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:09:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 967 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-09 01:09:12,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:09:12,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390400622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:09:12,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:09:12,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-09 01:09:12,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983034923] [2024-11-09 01:09:12,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:09:12,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 01:09:12,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:09:12,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 01:09:12,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-09 01:09:12,898 INFO L87 Difference]: Start difference. First operand 287 states and 294 transitions. Second operand has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 01:09:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:09:12,977 INFO L93 Difference]: Finished difference Result 289 states and 295 transitions. [2024-11-09 01:09:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 01:09:12,978 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 300 [2024-11-09 01:09:12,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:09:12,979 INFO L225 Difference]: With dead ends: 289 [2024-11-09 01:09:12,979 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 01:09:12,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-09 01:09:12,981 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:09:12,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:09:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 01:09:12,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 01:09:12,983 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 01:09:12,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 01:09:12,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 300 [2024-11-09 01:09:12,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:09:12,984 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 01:09:12,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.0) internal successors, (232), 8 states have internal predecessors, (232), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 01:09:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 01:09:12,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:09:12,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 60 remaining) [2024-11-09 01:09:12,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 60 remaining) [2024-11-09 01:09:12,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 60 remaining) [2024-11-09 01:09:12,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 60 remaining) [2024-11-09 01:09:12,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 60 remaining) [2024-11-09 01:09:12,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 60 remaining) [2024-11-09 01:09:12,990 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 60 remaining) [2024-11-09 01:09:12,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 60 remaining) [2024-11-09 01:09:12,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 60 remaining) [2024-11-09 01:09:12,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 60 remaining) [2024-11-09 01:09:12,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 60 remaining) [2024-11-09 01:09:12,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 60 remaining) [2024-11-09 01:09:12,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 60 remaining) [2024-11-09 01:09:12,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 60 remaining) [2024-11-09 01:09:12,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 60 remaining) [2024-11-09 01:09:12,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 60 remaining) [2024-11-09 01:09:12,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 60 remaining) [2024-11-09 01:09:12,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 60 remaining) [2024-11-09 01:09:12,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 60 remaining) [2024-11-09 01:09:12,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 60 remaining) [2024-11-09 01:09:12,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 60 remaining) [2024-11-09 01:09:12,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 60 remaining) [2024-11-09 01:09:12,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 60 remaining) [2024-11-09 01:09:12,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 60 remaining) [2024-11-09 01:09:12,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 60 remaining) [2024-11-09 01:09:12,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 60 remaining) [2024-11-09 01:09:12,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 60 remaining) [2024-11-09 01:09:12,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 60 remaining) [2024-11-09 01:09:12,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 60 remaining) [2024-11-09 01:09:12,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 60 remaining) [2024-11-09 01:09:12,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 60 remaining) [2024-11-09 01:09:12,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 60 remaining) [2024-11-09 01:09:12,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 60 remaining) [2024-11-09 01:09:12,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 60 remaining) [2024-11-09 01:09:12,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 60 remaining) [2024-11-09 01:09:12,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 60 remaining) [2024-11-09 01:09:12,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 60 remaining) [2024-11-09 01:09:12,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 60 remaining) [2024-11-09 01:09:12,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 60 remaining) [2024-11-09 01:09:12,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 60 remaining) [2024-11-09 01:09:12,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 60 remaining) [2024-11-09 01:09:12,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 60 remaining) [2024-11-09 01:09:12,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 60 remaining) [2024-11-09 01:09:12,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 60 remaining) [2024-11-09 01:09:12,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 60 remaining) [2024-11-09 01:09:12,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 60 remaining) [2024-11-09 01:09:12,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 60 remaining) [2024-11-09 01:09:13,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 60 remaining) [2024-11-09 01:09:13,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 60 remaining) [2024-11-09 01:09:13,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 60 remaining) [2024-11-09 01:09:13,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 60 remaining) [2024-11-09 01:09:13,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 60 remaining) [2024-11-09 01:09:13,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 60 remaining) [2024-11-09 01:09:13,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 60 remaining) [2024-11-09 01:09:13,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 60 remaining) [2024-11-09 01:09:13,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 60 remaining) [2024-11-09 01:09:13,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 60 remaining) [2024-11-09 01:09:13,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 60 remaining) [2024-11-09 01:09:13,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 60 remaining) [2024-11-09 01:09:13,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 60 remaining) [2024-11-09 01:09:13,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 01:09:13,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 01:09:13,208 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:09:13,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 01:09:14,580 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:09:14,596 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:09:14,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:09:14,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:09:14,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:09:14,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:09:14,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:09:14,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:09:14,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:09:14,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:09:14,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 01:09:14,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 01:09:14,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:09:14,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:09:14,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:09:14,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:09:14,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 01:09:14,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 01:09:14,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:09:14,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:09:14,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:09:14,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 01:09:14,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 01:09:14,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 01:09:14,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:09:14,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:09:14,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:09:14,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:09:14,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:09:14,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:09:14 BoogieIcfgContainer [2024-11-09 01:09:14,639 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:09:14,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:09:14,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:09:14,640 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:09:14,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:08:31" (3/4) ... [2024-11-09 01:09:14,643 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:09:14,648 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 01:09:14,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-09 01:09:14,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 01:09:14,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:09:14,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:09:14,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:09:14,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 01:09:14,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:09:14,783 INFO L158 Benchmark]: Toolchain (without parser) took 44244.24ms. Allocated memory was 155.2MB in the beginning and 346.0MB in the end (delta: 190.8MB). Free memory was 114.8MB in the beginning and 251.5MB in the end (delta: -136.7MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-11-09 01:09:14,783 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory was 130.7MB in the beginning and 130.4MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:14,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.61ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 102.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:09:14,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.47ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:09:14,786 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 99.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:14,787 INFO L158 Benchmark]: RCFGBuilder took 809.47ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 125.1MB in the end (delta: -26.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-09 01:09:14,787 INFO L158 Benchmark]: TraceAbstraction took 42854.16ms. Allocated memory was 155.2MB in the beginning and 346.0MB in the end (delta: 190.8MB). Free memory was 124.0MB in the beginning and 257.8MB in the end (delta: -133.8MB). Peak memory consumption was 205.7MB. Max. memory is 16.1GB. [2024-11-09 01:09:14,788 INFO L158 Benchmark]: Witness Printer took 142.37ms. Allocated memory is still 346.0MB. Free memory was 257.8MB in the beginning and 251.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:09:14,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory was 130.7MB in the beginning and 130.4MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.61ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 102.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.47ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.85ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 99.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 809.47ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 125.1MB in the end (delta: -26.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 42854.16ms. Allocated memory was 155.2MB in the beginning and 346.0MB in the end (delta: 190.8MB). Free memory was 124.0MB in the beginning and 257.8MB in the end (delta: -133.8MB). Peak memory consumption was 205.7MB. Max. memory is 16.1GB. * Witness Printer took 142.37ms. Allocated memory is still 346.0MB. Free memory was 257.8MB in the beginning and 251.5MB in the end (delta: 6.3MB). 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: #StackHeapBarrier - 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: #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: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,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: #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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: 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: 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: 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: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 130 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 41.3s, OverallIterations: 15, TraceHistogramMax: 9, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1256 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1236 mSDsluCounter, 2025 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1073 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4040 IncrementalHoareTripleChecker+Invalid, 4213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 952 mSDtfsCounter, 4040 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1242 GetRequests, 968 SyntacticMatches, 139 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2866 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=14, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 138 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1498 NumberOfCodeBlocks, 1498 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1353 ConstructedInterpolants, 0 QuantifiedInterpolants, 11053 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1097 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 1974/2451 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: 4.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 88, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 290, TOOLS_POST_TIME: 3.1s, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 324, TOOLS_QUANTIFIERELIM_TIME: 3.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 410, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 20, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 88, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 3.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 2145, DAG_COMPRESSION_RETAINED_NODES: 262, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 60 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((1 <= c) && (x == 1)) && (k <= 5)) && (y == 1)) && (c <= k)) || ((((((1 <= y) && ((((x + ((((__int128) y * y) * y) * 3)) + ((__int128) 42 * y)) + (18 * ((__int128) y * y))) <= 2305843009213693915)) && (k <= 5)) && (c <= k)) && (4 <= c)) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == ((__int128) x * 4)))) || (((((0 <= k) && (c == 0)) && (y == 0)) && (k <= 5)) && (x == 0))) || (((((2 <= c) && (9 == x)) && (2 == y)) && (k <= 5)) && (c <= k))) || (((((((((((__int128) y * 15) + ((((__int128) y * y) * y) * 2)) + x) + (9 * ((__int128) y * y))) <= 2305843009213693942) && (1 <= y)) && (k <= 5)) && (c <= k)) && (5 <= c)) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == ((__int128) x * 4)))) || ((((((x == 36) && (1 <= y)) && (k <= 5)) && (c <= k)) && (3 <= c)) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == 144))) RESULT: Ultimate proved your program to be correct! [2024-11-09 01:09:14,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691095da-e58e-46ba-b56f-c935ab6a8dd3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE