./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.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_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/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_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/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_4321233c-f8dd-4641-baa1-6830652a2091/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 f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:00:53,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:00:53,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:00:53,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:00:53,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:00:53,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:00:53,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:00:53,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:00:53,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:00:53,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:00:53,947 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:00:53,947 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:00:53,949 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:00:53,949 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:00:53,952 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:00:53,952 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:00:53,953 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:00:53,953 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:00:53,954 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:00:53,954 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:00:53,955 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:00:53,959 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:00:53,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:00:53,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:00:53,961 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:00:53,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:00:53,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:00:53,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:00:53,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:00:53,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:00:53,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:00:53,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:00:53,966 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:00:53,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:00:53,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:00:53,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:00:53,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:00:53,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:00:53,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:00:53,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:00:53,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:00:53,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:00:53,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:00:53,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:00:53,972 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:00:53,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:00:53,973 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:00:53,973 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:00:53,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:00:53,973 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_4321233c-f8dd-4641-baa1-6830652a2091/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2024-11-09 05:00:54,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:00:54,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:00:54,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:00:54,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:00:54,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:00:54,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-09 05:00:56,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:00:56,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:00:56,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2024-11-09 05:00:56,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/data/e665a1fb6/06e7aec68dd045fc8d38f968affa328e/FLAG81791bde3 [2024-11-09 05:00:57,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/data/e665a1fb6/06e7aec68dd045fc8d38f968affa328e [2024-11-09 05:00:57,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:00:57,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:00:57,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:00:57,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:00:57,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:00:57,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cf7559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57, skipping insertion in model container [2024-11-09 05:00:57,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:00:57,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:00:57,324 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:00:57,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:00:57,384 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:00:57,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57 WrapperNode [2024-11-09 05:00:57,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:00:57,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:00:57,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:00:57,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:00:57,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,447 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2024-11-09 05:00:57,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:00:57,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:00:57,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:00:57,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:00:57,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:00:57,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:00:57,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:00:57,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:00:57,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (1/1) ... [2024-11-09 05:00:57,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:00:57,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:00:57,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:00:57,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:00:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:00:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:00:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:00:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:00:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:00:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:00:57,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:00:57,669 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:00:59,089 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-09 05:00:59,089 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:00:59,163 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:00:59,164 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:00:59,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:00:59 BoogieIcfgContainer [2024-11-09 05:00:59,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:00:59,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:00:59,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:00:59,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:00:59,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:00:57" (1/3) ... [2024-11-09 05:00:59,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a99cd68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:00:59, skipping insertion in model container [2024-11-09 05:00:59,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:57" (2/3) ... [2024-11-09 05:00:59,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a99cd68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:00:59, skipping insertion in model container [2024-11-09 05:00:59,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:00:59" (3/3) ... [2024-11-09 05:00:59,176 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound2.c [2024-11-09 05:00:59,195 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:00:59,195 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-11-09 05:00:59,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:00:59,295 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;@23167e42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:00:59,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-11-09 05:00:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 299 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 286 states have internal predecessors, (289), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 05:00:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:00:59,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:59,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:00:59,311 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:00:59,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:59,318 INFO L85 PathProgramCache]: Analyzing trace with hash 367295, now seen corresponding path program 1 times [2024-11-09 05:00:59,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:59,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978201990] [2024-11-09 05:00:59,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:59,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:00:59,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:59,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978201990] [2024-11-09 05:00:59,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978201990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:59,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:59,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:00:59,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671278499] [2024-11-09 05:00:59,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:59,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:00:59,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:59,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:00:59,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:00:59,750 INFO L87 Difference]: Start difference. First operand has 299 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 286 states have internal predecessors, (289), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:00:59,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:59,882 INFO L93 Difference]: Finished difference Result 481 states and 501 transitions. [2024-11-09 05:00:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:00:59,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 05:00:59,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:59,898 INFO L225 Difference]: With dead ends: 481 [2024-11-09 05:00:59,898 INFO L226 Difference]: Without dead ends: 293 [2024-11-09 05:00:59,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:00:59,907 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 4 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:59,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 886 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:00:59,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-09 05:00:59,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-09 05:00:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 149 states have (on average 1.8993288590604027) internal successors, (283), 281 states have internal predecessors, (283), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:00:59,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 303 transitions. [2024-11-09 05:00:59,993 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 303 transitions. Word has length 3 [2024-11-09 05:00:59,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:59,994 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 303 transitions. [2024-11-09 05:00:59,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:00:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 303 transitions. [2024-11-09 05:00:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 05:00:59,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:59,995 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 05:00:59,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:00:59,996 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:00:59,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:59,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1942776661, now seen corresponding path program 1 times [2024-11-09 05:00:59,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:59,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021102506] [2024-11-09 05:00:59,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:59,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:01:00,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:00,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021102506] [2024-11-09 05:01:00,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021102506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:00,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:00,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:01:00,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165671378] [2024-11-09 05:01:00,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:00,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:00,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:00,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:00,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:00,063 INFO L87 Difference]: Start difference. First operand 293 states and 303 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 05:01:00,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:00,308 INFO L93 Difference]: Finished difference Result 561 states and 581 transitions. [2024-11-09 05:01:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:00,310 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 05:01:00,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:00,314 INFO L225 Difference]: With dead ends: 561 [2024-11-09 05:01:00,314 INFO L226 Difference]: Without dead ends: 541 [2024-11-09 05:01:00,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:00,317 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 237 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:00,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 583 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:01:00,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-09 05:01:00,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 351. [2024-11-09 05:01:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 202 states have (on average 1.801980198019802) internal successors, (364), 334 states have internal predecessors, (364), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 05:01:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 394 transitions. [2024-11-09 05:01:00,352 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 394 transitions. Word has length 6 [2024-11-09 05:01:00,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:00,352 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 394 transitions. [2024-11-09 05:01:00,353 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 05:01:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 394 transitions. [2024-11-09 05:01:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 05:01:00,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:00,361 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:00,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:01:00,362 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:00,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:00,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1377415947, now seen corresponding path program 1 times [2024-11-09 05:01:00,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:00,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191067522] [2024-11-09 05:01:00,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:01:00,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468949814] [2024-11-09 05:01:00,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:00,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:00,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:00,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:00,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:01:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:00,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:01:00,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:01:00,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:00,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:00,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191067522] [2024-11-09 05:01:00,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:01:00,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468949814] [2024-11-09 05:01:00,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468949814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:00,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:00,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:01:00,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117545170] [2024-11-09 05:01:00,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:00,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:00,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:00,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:00,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:00,865 INFO L87 Difference]: Start difference. First operand 351 states and 394 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:01,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:01,958 INFO L93 Difference]: Finished difference Result 511 states and 569 transitions. [2024-11-09 05:01:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:01,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-11-09 05:01:01,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:01,962 INFO L225 Difference]: With dead ends: 511 [2024-11-09 05:01:01,962 INFO L226 Difference]: Without dead ends: 456 [2024-11-09 05:01:01,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:01,966 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 134 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:01,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 403 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:01:01,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-09 05:01:02,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 436. [2024-11-09 05:01:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 282 states have (on average 1.6560283687943262) internal successors, (467), 414 states have internal predecessors, (467), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:01:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 507 transitions. [2024-11-09 05:01:02,027 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 507 transitions. Word has length 33 [2024-11-09 05:01:02,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:02,027 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 507 transitions. [2024-11-09 05:01:02,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 507 transitions. [2024-11-09 05:01:02,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 05:01:02,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:02,033 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:02,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:01:02,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:02,234 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:02,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:02,235 INFO L85 PathProgramCache]: Analyzing trace with hash 846800717, now seen corresponding path program 1 times [2024-11-09 05:01:02,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:02,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738846448] [2024-11-09 05:01:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:01:02,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:02,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738846448] [2024-11-09 05:01:02,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738846448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:02,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:02,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:01:02,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439612051] [2024-11-09 05:01:02,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:02,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:02,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:02,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:02,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:02,379 INFO L87 Difference]: Start difference. First operand 436 states and 507 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:03,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:03,264 INFO L93 Difference]: Finished difference Result 469 states and 514 transitions. [2024-11-09 05:01:03,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:03,266 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2024-11-09 05:01:03,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:03,268 INFO L225 Difference]: With dead ends: 469 [2024-11-09 05:01:03,268 INFO L226 Difference]: Without dead ends: 446 [2024-11-09 05:01:03,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:03,273 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 120 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:03,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 501 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 05:01:03,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-09 05:01:03,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 436. [2024-11-09 05:01:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 282 states have (on average 1.574468085106383) internal successors, (444), 414 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:01:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 484 transitions. [2024-11-09 05:01:03,307 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 484 transitions. Word has length 35 [2024-11-09 05:01:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:03,308 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 484 transitions. [2024-11-09 05:01:03,308 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 484 transitions. [2024-11-09 05:01:03,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 05:01:03,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:03,313 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:03,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:01:03,314 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:03,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:03,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2026673039, now seen corresponding path program 1 times [2024-11-09 05:01:03,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:03,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589696824] [2024-11-09 05:01:03,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:03,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:01:03,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:03,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589696824] [2024-11-09 05:01:03,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589696824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:03,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:03,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:01:03,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301335243] [2024-11-09 05:01:03,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:03,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:01:03,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:03,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:01:03,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:03,541 INFO L87 Difference]: Start difference. First operand 436 states and 484 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:05,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:05,269 INFO L93 Difference]: Finished difference Result 448 states and 491 transitions. [2024-11-09 05:01:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:01:05,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2024-11-09 05:01:05,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:05,272 INFO L225 Difference]: With dead ends: 448 [2024-11-09 05:01:05,272 INFO L226 Difference]: Without dead ends: 446 [2024-11-09 05:01:05,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:05,283 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 256 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:05,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 424 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 05:01:05,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-09 05:01:05,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 436. [2024-11-09 05:01:05,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 282 states have (on average 1.5673758865248226) internal successors, (442), 414 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:01:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 482 transitions. [2024-11-09 05:01:05,305 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 482 transitions. Word has length 37 [2024-11-09 05:01:05,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:05,306 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 482 transitions. [2024-11-09 05:01:05,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 482 transitions. [2024-11-09 05:01:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 05:01:05,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:05,308 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:05,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:01:05,308 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:05,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:05,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1597645135, now seen corresponding path program 1 times [2024-11-09 05:01:05,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:05,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107739391] [2024-11-09 05:01:05,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:05,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:05,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:01:05,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:05,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107739391] [2024-11-09 05:01:05,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107739391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:05,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:05,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:01:05,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766813625] [2024-11-09 05:01:05,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:05,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:01:05,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:05,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:01:05,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:05,548 INFO L87 Difference]: Start difference. First operand 436 states and 482 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:06,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:06,956 INFO L93 Difference]: Finished difference Result 448 states and 489 transitions. [2024-11-09 05:01:06,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:01:06,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2024-11-09 05:01:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:06,959 INFO L225 Difference]: With dead ends: 448 [2024-11-09 05:01:06,959 INFO L226 Difference]: Without dead ends: 446 [2024-11-09 05:01:06,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:06,961 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 255 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:06,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 408 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:01:06,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-09 05:01:06,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 436. [2024-11-09 05:01:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 282 states have (on average 1.5602836879432624) internal successors, (440), 414 states have internal predecessors, (440), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:01:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 480 transitions. [2024-11-09 05:01:06,981 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 480 transitions. Word has length 38 [2024-11-09 05:01:06,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:06,982 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 480 transitions. [2024-11-09 05:01:06,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:06,982 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 480 transitions. [2024-11-09 05:01:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 05:01:06,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:06,984 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:06,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:01:06,984 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:06,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1381454867, now seen corresponding path program 1 times [2024-11-09 05:01:06,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:06,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422865366] [2024-11-09 05:01:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:01:07,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724747541] [2024-11-09 05:01:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:07,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:07,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:07,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:07,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:01:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:07,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:01:07,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:01:07,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:07,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:07,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422865366] [2024-11-09 05:01:07,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:01:07,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724747541] [2024-11-09 05:01:07,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724747541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:07,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:07,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:01:07,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277999054] [2024-11-09 05:01:07,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:07,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:07,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:07,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:07,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:07,461 INFO L87 Difference]: Start difference. First operand 436 states and 480 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:08,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:08,486 INFO L93 Difference]: Finished difference Result 453 states and 487 transitions. [2024-11-09 05:01:08,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:08,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-11-09 05:01:08,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:08,489 INFO L225 Difference]: With dead ends: 453 [2024-11-09 05:01:08,490 INFO L226 Difference]: Without dead ends: 444 [2024-11-09 05:01:08,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:08,491 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 112 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:08,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 282 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 05:01:08,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-09 05:01:08,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 439. [2024-11-09 05:01:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.5333333333333334) internal successors, (437), 417 states have internal predecessors, (437), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:01:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 477 transitions. [2024-11-09 05:01:08,512 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 477 transitions. Word has length 41 [2024-11-09 05:01:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:08,512 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 477 transitions. [2024-11-09 05:01:08,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 477 transitions. [2024-11-09 05:01:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:01:08,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:08,514 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:08,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:01:08,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:08,716 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:08,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:08,716 INFO L85 PathProgramCache]: Analyzing trace with hash -124571979, now seen corresponding path program 1 times [2024-11-09 05:01:08,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:08,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438114961] [2024-11-09 05:01:08,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:08,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:01:08,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:08,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438114961] [2024-11-09 05:01:08,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438114961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:08,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:08,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:01:08,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516988467] [2024-11-09 05:01:08,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:08,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:01:08,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:08,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:01:08,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:08,919 INFO L87 Difference]: Start difference. First operand 439 states and 477 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:09,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:09,651 INFO L93 Difference]: Finished difference Result 452 states and 478 transitions. [2024-11-09 05:01:09,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:01:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2024-11-09 05:01:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:09,659 INFO L225 Difference]: With dead ends: 452 [2024-11-09 05:01:09,659 INFO L226 Difference]: Without dead ends: 446 [2024-11-09 05:01:09,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:09,661 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 247 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:09,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 362 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:01:09,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-09 05:01:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 439. [2024-11-09 05:01:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 285 states have (on average 1.512280701754386) internal successors, (431), 417 states have internal predecessors, (431), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:01:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 471 transitions. [2024-11-09 05:01:09,678 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 471 transitions. Word has length 42 [2024-11-09 05:01:09,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:09,679 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 471 transitions. [2024-11-09 05:01:09,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 471 transitions. [2024-11-09 05:01:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 05:01:09,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:09,681 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:09,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:01:09,681 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:09,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:09,682 INFO L85 PathProgramCache]: Analyzing trace with hash 158637753, now seen corresponding path program 1 times [2024-11-09 05:01:09,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:09,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447038781] [2024-11-09 05:01:09,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:09,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:01:09,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:09,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447038781] [2024-11-09 05:01:09,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447038781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:09,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:09,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:01:09,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207497988] [2024-11-09 05:01:09,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:09,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:01:09,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:09,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:01:09,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:09,823 INFO L87 Difference]: Start difference. First operand 439 states and 471 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:10,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:10,773 INFO L93 Difference]: Finished difference Result 450 states and 472 transitions. [2024-11-09 05:01:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:10,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-09 05:01:10,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:10,776 INFO L225 Difference]: With dead ends: 450 [2024-11-09 05:01:10,777 INFO L226 Difference]: Without dead ends: 377 [2024-11-09 05:01:10,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:10,778 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 226 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:10,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 288 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 05:01:10,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-09 05:01:10,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2024-11-09 05:01:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 222 states have (on average 1.6306306306306306) internal successors, (362), 354 states have internal predecessors, (362), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:01:10,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 396 transitions. [2024-11-09 05:01:10,807 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 396 transitions. Word has length 46 [2024-11-09 05:01:10,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:10,807 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 396 transitions. [2024-11-09 05:01:10,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:01:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 396 transitions. [2024-11-09 05:01:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 05:01:10,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:10,809 INFO L215 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:10,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:01:10,810 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:10,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:10,810 INFO L85 PathProgramCache]: Analyzing trace with hash 968666966, now seen corresponding path program 1 times [2024-11-09 05:01:10,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:10,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545541403] [2024-11-09 05:01:10,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:10,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:01:10,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:10,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545541403] [2024-11-09 05:01:10,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545541403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:10,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:10,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:01:10,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872253129] [2024-11-09 05:01:10,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:10,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:10,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:10,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:10,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:10,934 INFO L87 Difference]: Start difference. First operand 373 states and 396 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 05:01:11,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:11,324 INFO L93 Difference]: Finished difference Result 373 states and 396 transitions. [2024-11-09 05:01:11,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:11,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 75 [2024-11-09 05:01:11,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:11,327 INFO L225 Difference]: With dead ends: 373 [2024-11-09 05:01:11,327 INFO L226 Difference]: Without dead ends: 371 [2024-11-09 05:01:11,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:11,329 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 202 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:11,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 265 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:01:11,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-09 05:01:11,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2024-11-09 05:01:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 222 states have (on average 1.6126126126126126) internal successors, (358), 352 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:01:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 392 transitions. [2024-11-09 05:01:11,344 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 392 transitions. Word has length 75 [2024-11-09 05:01:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:11,344 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 392 transitions. [2024-11-09 05:01:11,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 05:01:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 392 transitions. [2024-11-09 05:01:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 05:01:11,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:11,346 INFO L215 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:11,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:01:11,347 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:11,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:11,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1854359909, now seen corresponding path program 1 times [2024-11-09 05:01:11,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:11,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618824644] [2024-11-09 05:01:11,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:11,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:11,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618824644] [2024-11-09 05:01:11,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618824644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:11,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:11,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:01:11,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286734140] [2024-11-09 05:01:11,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:11,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:11,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:11,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:11,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:11,441 INFO L87 Difference]: Start difference. First operand 371 states and 392 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:12,040 INFO L93 Difference]: Finished difference Result 371 states and 392 transitions. [2024-11-09 05:01:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:12,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 74 [2024-11-09 05:01:12,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:12,043 INFO L225 Difference]: With dead ends: 371 [2024-11-09 05:01:12,043 INFO L226 Difference]: Without dead ends: 364 [2024-11-09 05:01:12,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:12,045 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 139 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:12,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 148 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:01:12,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-09 05:01:12,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-11-09 05:01:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 222 states have (on average 1.5810810810810811) internal successors, (351), 345 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:01:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 385 transitions. [2024-11-09 05:01:12,062 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 385 transitions. Word has length 74 [2024-11-09 05:01:12,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:12,063 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 385 transitions. [2024-11-09 05:01:12,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 385 transitions. [2024-11-09 05:01:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 05:01:12,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:12,069 INFO L215 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:12,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:01:12,070 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:12,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash -36094947, now seen corresponding path program 1 times [2024-11-09 05:01:12,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:12,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172097014] [2024-11-09 05:01:12,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:12,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:01:12,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:12,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172097014] [2024-11-09 05:01:12,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172097014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:12,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:12,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:01:12,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391511470] [2024-11-09 05:01:12,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:12,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:01:12,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:12,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:01:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:01:12,221 INFO L87 Difference]: Start difference. First operand 364 states and 385 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:01:12,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:12,612 INFO L93 Difference]: Finished difference Result 368 states and 385 transitions. [2024-11-09 05:01:12,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:01:12,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 76 [2024-11-09 05:01:12,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:12,615 INFO L225 Difference]: With dead ends: 368 [2024-11-09 05:01:12,616 INFO L226 Difference]: Without dead ends: 364 [2024-11-09 05:01:12,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:01:12,617 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 48 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:12,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 725 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:01:12,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-09 05:01:12,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 362. [2024-11-09 05:01:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 220 states have (on average 1.5772727272727274) internal successors, (347), 343 states have internal predecessors, (347), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:01:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 381 transitions. [2024-11-09 05:01:12,652 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 381 transitions. Word has length 76 [2024-11-09 05:01:12,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:12,653 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 381 transitions. [2024-11-09 05:01:12,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:01:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 381 transitions. [2024-11-09 05:01:12,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 05:01:12,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:12,654 INFO L215 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:12,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:01:12,654 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:12,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:12,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1650582168, now seen corresponding path program 1 times [2024-11-09 05:01:12,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:12,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535091317] [2024-11-09 05:01:12,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:12,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:12,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:12,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535091317] [2024-11-09 05:01:12,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535091317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:12,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:12,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:01:12,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379713312] [2024-11-09 05:01:12,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:12,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:12,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:12,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:12,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:12,773 INFO L87 Difference]: Start difference. First operand 362 states and 381 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:13,328 INFO L93 Difference]: Finished difference Result 365 states and 384 transitions. [2024-11-09 05:01:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:13,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2024-11-09 05:01:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:13,331 INFO L225 Difference]: With dead ends: 365 [2024-11-09 05:01:13,331 INFO L226 Difference]: Without dead ends: 364 [2024-11-09 05:01:13,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:13,332 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 18 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:13,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 410 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 05:01:13,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-09 05:01:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-11-09 05:01:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 222 states have (on average 1.572072072072072) internal successors, (349), 345 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:01:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 383 transitions. [2024-11-09 05:01:13,349 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 383 transitions. Word has length 75 [2024-11-09 05:01:13,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:13,350 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 383 transitions. [2024-11-09 05:01:13,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 383 transitions. [2024-11-09 05:01:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:01:13,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:13,351 INFO L215 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:13,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 05:01:13,352 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:13,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:13,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1366530070, now seen corresponding path program 1 times [2024-11-09 05:01:13,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:13,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494328969] [2024-11-09 05:01:13,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:13,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:13,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:13,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494328969] [2024-11-09 05:01:13,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494328969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:13,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791792124] [2024-11-09 05:01:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:13,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:13,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:13,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:13,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:01:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:13,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:01:13,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:13,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:13,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791792124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:13,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:01:13,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 05:01:13,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22969424] [2024-11-09 05:01:13,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:13,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:01:13,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:13,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:01:13,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:01:13,821 INFO L87 Difference]: Start difference. First operand 364 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:13,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:13,874 INFO L93 Difference]: Finished difference Result 364 states and 383 transitions. [2024-11-09 05:01:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:01:13,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-11-09 05:01:13,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:13,878 INFO L225 Difference]: With dead ends: 364 [2024-11-09 05:01:13,878 INFO L226 Difference]: Without dead ends: 363 [2024-11-09 05:01:13,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:01:13,880 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 222 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:13,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 843 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:01:13,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-09 05:01:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-09 05:01:13,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 222 states have (on average 1.5675675675675675) internal successors, (348), 344 states have internal predecessors, (348), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 05:01:13,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 382 transitions. [2024-11-09 05:01:13,903 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 382 transitions. Word has length 77 [2024-11-09 05:01:13,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:13,904 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 382 transitions. [2024-11-09 05:01:13,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 382 transitions. [2024-11-09 05:01:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 05:01:13,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:13,906 INFO L215 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:13,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:01:14,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 05:01:14,107 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:14,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash 587240830, now seen corresponding path program 1 times [2024-11-09 05:01:14,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:14,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290590435] [2024-11-09 05:01:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:14,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:14,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290590435] [2024-11-09 05:01:14,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290590435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:14,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800385287] [2024-11-09 05:01:14,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:14,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:14,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:14,272 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:14,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:01:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:14,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:01:14,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:14,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:14,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800385287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:14,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:01:14,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 05:01:14,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344294133] [2024-11-09 05:01:14,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:14,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:01:14,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:14,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:01:14,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:01:14,530 INFO L87 Difference]: Start difference. First operand 363 states and 382 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:14,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:14,689 INFO L93 Difference]: Finished difference Result 530 states and 552 transitions. [2024-11-09 05:01:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:01:14,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 78 [2024-11-09 05:01:14,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:14,692 INFO L225 Difference]: With dead ends: 530 [2024-11-09 05:01:14,693 INFO L226 Difference]: Without dead ends: 529 [2024-11-09 05:01:14,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:01:14,694 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 220 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:14,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1484 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:01:14,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-09 05:01:14,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 437. [2024-11-09 05:01:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 291 states have (on average 1.6391752577319587) internal successors, (477), 413 states have internal predecessors, (477), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 05:01:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 521 transitions. [2024-11-09 05:01:14,716 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 521 transitions. Word has length 78 [2024-11-09 05:01:14,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:14,717 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 521 transitions. [2024-11-09 05:01:14,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:14,717 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 521 transitions. [2024-11-09 05:01:14,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 05:01:14,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:14,718 INFO L215 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:14,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:01:14,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:14,922 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:14,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:14,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1697723355, now seen corresponding path program 1 times [2024-11-09 05:01:14,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:14,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840714632] [2024-11-09 05:01:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:14,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:15,023 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:15,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:15,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840714632] [2024-11-09 05:01:15,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840714632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:15,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442849985] [2024-11-09 05:01:15,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:15,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:15,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:15,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:15,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:01:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:15,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:01:15,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:15,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:15,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442849985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:15,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:01:15,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 05:01:15,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504339978] [2024-11-09 05:01:15,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:15,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:01:15,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:15,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:01:15,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:01:15,249 INFO L87 Difference]: Start difference. First operand 437 states and 521 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:15,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:15,476 INFO L93 Difference]: Finished difference Result 439 states and 521 transitions. [2024-11-09 05:01:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:01:15,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2024-11-09 05:01:15,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:15,480 INFO L225 Difference]: With dead ends: 439 [2024-11-09 05:01:15,481 INFO L226 Difference]: Without dead ends: 431 [2024-11-09 05:01:15,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:01:15,482 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 436 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:15,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 346 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:01:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-09 05:01:15,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 429. [2024-11-09 05:01:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 291 states have (on average 1.604810996563574) internal successors, (467), 405 states have internal predecessors, (467), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 05:01:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 511 transitions. [2024-11-09 05:01:15,502 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 511 transitions. Word has length 80 [2024-11-09 05:01:15,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:15,502 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 511 transitions. [2024-11-09 05:01:15,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:01:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 511 transitions. [2024-11-09 05:01:15,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:01:15,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:15,504 INFO L215 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:15,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 05:01:15,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:15,705 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:15,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1089816623, now seen corresponding path program 1 times [2024-11-09 05:01:15,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:15,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289641077] [2024-11-09 05:01:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:15,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:15,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289641077] [2024-11-09 05:01:15,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289641077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:15,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033058509] [2024-11-09 05:01:15,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:15,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:15,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:15,806 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:15,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 05:01:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:15,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:01:15,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:16,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:16,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033058509] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:01:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1862639109] [2024-11-09 05:01:16,233 INFO L159 IcfgInterpreter]: Started Sifa with 70 locations of interest [2024-11-09 05:01:16,233 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:01:16,237 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:01:16,244 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:01:16,245 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:01:21,669 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2024-11-09 05:01:21,670 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:01:24,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1862639109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:24,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:01:24,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [3, 3, 3] total 19 [2024-11-09 05:01:24,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041750181] [2024-11-09 05:01:24,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:24,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 05:01:24,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 05:01:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:01:24,101 INFO L87 Difference]: Start difference. First operand 429 states and 511 transitions. Second operand has 15 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:01:28,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:28,688 INFO L93 Difference]: Finished difference Result 449 states and 543 transitions. [2024-11-09 05:01:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:01:28,689 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 81 [2024-11-09 05:01:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:28,690 INFO L225 Difference]: With dead ends: 449 [2024-11-09 05:01:28,690 INFO L226 Difference]: Without dead ends: 243 [2024-11-09 05:01:28,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 184 SyntacticMatches, 42 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:01:28,691 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 329 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 2804 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:28,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 77 Invalid, 2930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2804 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-09 05:01:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-09 05:01:28,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 215. [2024-11-09 05:01:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 179 states have (on average 1.1564245810055866) internal successors, (207), 197 states have internal predecessors, (207), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:01:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 239 transitions. [2024-11-09 05:01:28,715 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 239 transitions. Word has length 81 [2024-11-09 05:01:28,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:28,715 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 239 transitions. [2024-11-09 05:01:28,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:01:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 239 transitions. [2024-11-09 05:01:28,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 05:01:28,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:28,721 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:28,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 05:01:28,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 05:01:28,922 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:28,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:28,923 INFO L85 PathProgramCache]: Analyzing trace with hash -521886354, now seen corresponding path program 1 times [2024-11-09 05:01:28,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:28,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388478656] [2024-11-09 05:01:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:28,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:01:29,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:29,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388478656] [2024-11-09 05:01:29,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388478656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:29,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566700956] [2024-11-09 05:01:29,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:29,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:29,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:29,085 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:29,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:01:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:29,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:01:29,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:01:29,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:01:29,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566700956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:01:29,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1626429346] [2024-11-09 05:01:29,501 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2024-11-09 05:01:29,502 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:01:29,502 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:01:29,502 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:01:29,502 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:01:33,272 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2024-11-09 05:01:33,273 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:01:35,775 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17198#(and (<= 1 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= ~counter~0 3) (<= 1 ~counter~0) (= |ULTIMATE.start_main_~z~0#1| (+ 6 (* 6 |ULTIMATE.start_main_~n~0#1|))) (<= |ULTIMATE.start_main_~x~0#1| 8) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~z~0#1| 18) (<= |ULTIMATE.start_main_~y~0#1| 19))' at error location [2024-11-09 05:01:35,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:01:35,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:01:35,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 9 [2024-11-09 05:01:35,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444178112] [2024-11-09 05:01:35,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:01:35,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:01:35,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:35,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:01:35,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:01:35,778 INFO L87 Difference]: Start difference. First operand 215 states and 239 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 05:01:35,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:35,929 INFO L93 Difference]: Finished difference Result 285 states and 307 transitions. [2024-11-09 05:01:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 05:01:35,935 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 88 [2024-11-09 05:01:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:35,937 INFO L225 Difference]: With dead ends: 285 [2024-11-09 05:01:35,937 INFO L226 Difference]: Without dead ends: 231 [2024-11-09 05:01:35,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 202 SyntacticMatches, 46 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:01:35,938 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 29 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:35,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 660 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:01:35,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-09 05:01:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2024-11-09 05:01:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 192 states have (on average 1.1458333333333333) internal successors, (220), 210 states have internal predecessors, (220), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:01:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 252 transitions. [2024-11-09 05:01:35,960 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 252 transitions. Word has length 88 [2024-11-09 05:01:35,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:35,960 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 252 transitions. [2024-11-09 05:01:35,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 05:01:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 252 transitions. [2024-11-09 05:01:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 05:01:35,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:35,964 INFO L215 NwaCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:35,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 05:01:36,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 05:01:36,165 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:36,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:36,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1576625424, now seen corresponding path program 1 times [2024-11-09 05:01:36,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:36,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886261613] [2024-11-09 05:01:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:36,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:01:36,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2076993729] [2024-11-09 05:01:36,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:36,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:36,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:36,191 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:36,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:01:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:36,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:01:36,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 05:01:36,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:36,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:36,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886261613] [2024-11-09 05:01:36,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:01:36,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076993729] [2024-11-09 05:01:36,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076993729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:36,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:36,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:01:36,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641215385] [2024-11-09 05:01:36,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:36,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:01:36,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:36,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:01:36,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:36,436 INFO L87 Difference]: Start difference. First operand 229 states and 252 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 05:01:36,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:36,713 INFO L93 Difference]: Finished difference Result 230 states and 252 transitions. [2024-11-09 05:01:36,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:36,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2024-11-09 05:01:36,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:36,715 INFO L225 Difference]: With dead ends: 230 [2024-11-09 05:01:36,716 INFO L226 Difference]: Without dead ends: 229 [2024-11-09 05:01:36,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:36,717 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 64 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:36,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 206 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:01:36,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-09 05:01:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-09 05:01:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 192 states have (on average 1.140625) internal successors, (219), 210 states have internal predecessors, (219), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:01:36,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 251 transitions. [2024-11-09 05:01:36,737 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 251 transitions. Word has length 90 [2024-11-09 05:01:36,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:36,737 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 251 transitions. [2024-11-09 05:01:36,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 05:01:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 251 transitions. [2024-11-09 05:01:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 05:01:36,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:36,739 INFO L215 NwaCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:36,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 05:01:36,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:36,940 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:36,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:36,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1630748092, now seen corresponding path program 1 times [2024-11-09 05:01:36,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:36,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350233829] [2024-11-09 05:01:36,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:01:36,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016201496] [2024-11-09 05:01:36,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:36,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:36,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:36,977 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:36,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:01:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:37,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:01:37,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 05:01:37,361 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:01:37,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:37,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350233829] [2024-11-09 05:01:37,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:01:37,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016201496] [2024-11-09 05:01:37,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016201496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:37,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:37,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:01:37,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142990247] [2024-11-09 05:01:37,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:37,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:01:37,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:37,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:01:37,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:01:37,363 INFO L87 Difference]: Start difference. First operand 229 states and 251 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 05:01:37,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:37,720 INFO L93 Difference]: Finished difference Result 230 states and 251 transitions. [2024-11-09 05:01:37,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:01:37,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 91 [2024-11-09 05:01:37,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:37,722 INFO L225 Difference]: With dead ends: 230 [2024-11-09 05:01:37,722 INFO L226 Difference]: Without dead ends: 209 [2024-11-09 05:01:37,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:01:37,723 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 20 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:37,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 136 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:01:37,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-09 05:01:37,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-09 05:01:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 174 states have (on average 1.1494252873563218) internal successors, (200), 192 states have internal predecessors, (200), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:01:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 228 transitions. [2024-11-09 05:01:37,752 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 228 transitions. Word has length 91 [2024-11-09 05:01:37,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:37,753 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 228 transitions. [2024-11-09 05:01:37,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 05:01:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 228 transitions. [2024-11-09 05:01:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 05:01:37,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:37,755 INFO L215 NwaCegarLoop]: trace histogram [11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:37,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 05:01:37,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:37,960 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:37,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:37,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1586161490, now seen corresponding path program 1 times [2024-11-09 05:01:37,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:37,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870902561] [2024-11-09 05:01:37,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:37,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-09 05:01:38,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:38,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870902561] [2024-11-09 05:01:38,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870902561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:38,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387094315] [2024-11-09 05:01:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:38,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:38,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:38,130 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:38,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 05:01:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:38,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:01:38,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-09 05:01:38,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-09 05:01:38,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387094315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:01:38,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1506471634] [2024-11-09 05:01:38,750 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2024-11-09 05:01:38,752 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:01:38,752 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:01:38,753 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:01:38,753 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:01:41,995 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2024-11-09 05:01:41,997 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:01:45,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1506471634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:45,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:01:45,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [4, 4, 4] total 23 [2024-11-09 05:01:45,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591369471] [2024-11-09 05:01:45,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:45,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 05:01:45,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:45,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 05:01:45,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:01:45,846 INFO L87 Difference]: Start difference. First operand 209 states and 228 transitions. Second operand has 17 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 05:01:48,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:48,225 INFO L93 Difference]: Finished difference Result 246 states and 257 transitions. [2024-11-09 05:01:48,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:01:48,226 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 150 [2024-11-09 05:01:48,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:48,227 INFO L225 Difference]: With dead ends: 246 [2024-11-09 05:01:48,228 INFO L226 Difference]: Without dead ends: 194 [2024-11-09 05:01:48,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 347 SyntacticMatches, 83 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=184, Invalid=572, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:01:48,229 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 186 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:48,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 35 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 05:01:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-09 05:01:48,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 191. [2024-11-09 05:01:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 158 states have (on average 1.1139240506329113) internal successors, (176), 175 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:01:48,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 200 transitions. [2024-11-09 05:01:48,245 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 200 transitions. Word has length 150 [2024-11-09 05:01:48,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:48,246 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 200 transitions. [2024-11-09 05:01:48,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.533333333333333) internal successors, (68), 15 states have internal predecessors, (68), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 05:01:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2024-11-09 05:01:48,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 05:01:48,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:48,249 INFO L215 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:48,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 05:01:48,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 05:01:48,454 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:48,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:48,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1500632797, now seen corresponding path program 2 times [2024-11-09 05:01:48,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:48,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089944671] [2024-11-09 05:01:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:48,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-09 05:01:48,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:48,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089944671] [2024-11-09 05:01:48,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089944671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:48,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:48,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:01:48,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485765451] [2024-11-09 05:01:48,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:48,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:01:48,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:48,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:01:48,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:48,658 INFO L87 Difference]: Start difference. First operand 191 states and 200 transitions. Second operand has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 05:01:48,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:48,926 INFO L93 Difference]: Finished difference Result 191 states and 200 transitions. [2024-11-09 05:01:48,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:01:48,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 162 [2024-11-09 05:01:48,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:48,928 INFO L225 Difference]: With dead ends: 191 [2024-11-09 05:01:48,929 INFO L226 Difference]: Without dead ends: 189 [2024-11-09 05:01:48,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:01:48,930 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:48,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 92 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:01:48,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-09 05:01:48,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-09 05:01:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 158 states have (on average 1.1012658227848102) internal successors, (174), 173 states have internal predecessors, (174), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:01:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 198 transitions. [2024-11-09 05:01:48,947 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 198 transitions. Word has length 162 [2024-11-09 05:01:48,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:48,948 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 198 transitions. [2024-11-09 05:01:48,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 05:01:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 198 transitions. [2024-11-09 05:01:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 05:01:48,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:48,951 INFO L215 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:48,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:01:48,951 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-11-09 05:01:48,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash 725023730, now seen corresponding path program 1 times [2024-11-09 05:01:48,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:48,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359321146] [2024-11-09 05:01:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:48,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:01:48,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [368473318] [2024-11-09 05:01:48,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:48,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:01:48,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:01:48,999 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:01:49,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 05:01:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:49,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:01:49,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:01:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-09 05:01:51,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:01:52,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:52,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359321146] [2024-11-09 05:01:52,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:01:52,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368473318] [2024-11-09 05:01:52,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368473318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:01:52,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1395248479] [2024-11-09 05:01:52,860 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2024-11-09 05:01:52,860 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:01:52,861 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:01:52,861 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:01:52,861 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:01:55,668 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2024-11-09 05:01:55,669 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:02:04,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1395248479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:04,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:02:04,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [7] total 22 [2024-11-09 05:02:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586267771] [2024-11-09 05:02:04,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:04,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 05:02:04,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:04,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 05:02:04,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:02:04,427 INFO L87 Difference]: Start difference. First operand 189 states and 198 transitions. Second operand has 17 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:02:06,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:06,305 INFO L93 Difference]: Finished difference Result 192 states and 201 transitions. [2024-11-09 05:02:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:02:06,306 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 163 [2024-11-09 05:02:06,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:06,306 INFO L225 Difference]: With dead ends: 192 [2024-11-09 05:02:06,307 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:02:06,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 240 SyntacticMatches, 85 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=211, Invalid=845, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:02:06,308 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 166 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:06,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 12 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 05:02:06,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:02:06,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:02:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:02:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:02:06,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2024-11-09 05:02:06,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:06,309 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:02:06,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:02:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:02:06,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:02:06,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (139 of 140 remaining) [2024-11-09 05:02:06,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (138 of 140 remaining) [2024-11-09 05:02:06,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (137 of 140 remaining) [2024-11-09 05:02:06,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (136 of 140 remaining) [2024-11-09 05:02:06,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (135 of 140 remaining) [2024-11-09 05:02:06,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (134 of 140 remaining) [2024-11-09 05:02:06,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (133 of 140 remaining) [2024-11-09 05:02:06,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (132 of 140 remaining) [2024-11-09 05:02:06,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (131 of 140 remaining) [2024-11-09 05:02:06,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (130 of 140 remaining) [2024-11-09 05:02:06,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (129 of 140 remaining) [2024-11-09 05:02:06,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (128 of 140 remaining) [2024-11-09 05:02:06,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 140 remaining) [2024-11-09 05:02:06,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 140 remaining) [2024-11-09 05:02:06,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 140 remaining) [2024-11-09 05:02:06,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 140 remaining) [2024-11-09 05:02:06,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 140 remaining) [2024-11-09 05:02:06,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 140 remaining) [2024-11-09 05:02:06,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 140 remaining) [2024-11-09 05:02:06,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 140 remaining) [2024-11-09 05:02:06,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 140 remaining) [2024-11-09 05:02:06,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 140 remaining) [2024-11-09 05:02:06,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 140 remaining) [2024-11-09 05:02:06,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 140 remaining) [2024-11-09 05:02:06,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 140 remaining) [2024-11-09 05:02:06,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 140 remaining) [2024-11-09 05:02:06,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 140 remaining) [2024-11-09 05:02:06,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 140 remaining) [2024-11-09 05:02:06,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 140 remaining) [2024-11-09 05:02:06,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 140 remaining) [2024-11-09 05:02:06,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 140 remaining) [2024-11-09 05:02:06,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 140 remaining) [2024-11-09 05:02:06,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 140 remaining) [2024-11-09 05:02:06,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 140 remaining) [2024-11-09 05:02:06,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 140 remaining) [2024-11-09 05:02:06,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 140 remaining) [2024-11-09 05:02:06,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 140 remaining) [2024-11-09 05:02:06,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 140 remaining) [2024-11-09 05:02:06,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 140 remaining) [2024-11-09 05:02:06,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 140 remaining) [2024-11-09 05:02:06,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 140 remaining) [2024-11-09 05:02:06,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 140 remaining) [2024-11-09 05:02:06,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 140 remaining) [2024-11-09 05:02:06,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 140 remaining) [2024-11-09 05:02:06,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 140 remaining) [2024-11-09 05:02:06,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 140 remaining) [2024-11-09 05:02:06,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 140 remaining) [2024-11-09 05:02:06,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 140 remaining) [2024-11-09 05:02:06,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 140 remaining) [2024-11-09 05:02:06,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 140 remaining) [2024-11-09 05:02:06,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 140 remaining) [2024-11-09 05:02:06,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 140 remaining) [2024-11-09 05:02:06,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 140 remaining) [2024-11-09 05:02:06,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 140 remaining) [2024-11-09 05:02:06,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 140 remaining) [2024-11-09 05:02:06,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 140 remaining) [2024-11-09 05:02:06,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 140 remaining) [2024-11-09 05:02:06,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 140 remaining) [2024-11-09 05:02:06,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 140 remaining) [2024-11-09 05:02:06,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 140 remaining) [2024-11-09 05:02:06,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 140 remaining) [2024-11-09 05:02:06,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 140 remaining) [2024-11-09 05:02:06,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 140 remaining) [2024-11-09 05:02:06,322 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 140 remaining) [2024-11-09 05:02:06,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 140 remaining) [2024-11-09 05:02:06,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 140 remaining) [2024-11-09 05:02:06,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 140 remaining) [2024-11-09 05:02:06,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 140 remaining) [2024-11-09 05:02:06,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 140 remaining) [2024-11-09 05:02:06,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 140 remaining) [2024-11-09 05:02:06,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 140 remaining) [2024-11-09 05:02:06,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 140 remaining) [2024-11-09 05:02:06,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 140 remaining) [2024-11-09 05:02:06,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 140 remaining) [2024-11-09 05:02:06,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 140 remaining) [2024-11-09 05:02:06,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 140 remaining) [2024-11-09 05:02:06,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 140 remaining) [2024-11-09 05:02:06,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 140 remaining) [2024-11-09 05:02:06,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 140 remaining) [2024-11-09 05:02:06,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 140 remaining) [2024-11-09 05:02:06,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 140 remaining) [2024-11-09 05:02:06,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 140 remaining) [2024-11-09 05:02:06,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 140 remaining) [2024-11-09 05:02:06,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 140 remaining) [2024-11-09 05:02:06,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 140 remaining) [2024-11-09 05:02:06,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 140 remaining) [2024-11-09 05:02:06,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 140 remaining) [2024-11-09 05:02:06,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 140 remaining) [2024-11-09 05:02:06,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 140 remaining) [2024-11-09 05:02:06,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 140 remaining) [2024-11-09 05:02:06,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 140 remaining) [2024-11-09 05:02:06,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 140 remaining) [2024-11-09 05:02:06,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 140 remaining) [2024-11-09 05:02:06,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 140 remaining) [2024-11-09 05:02:06,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 140 remaining) [2024-11-09 05:02:06,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 140 remaining) [2024-11-09 05:02:06,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 140 remaining) [2024-11-09 05:02:06,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 140 remaining) [2024-11-09 05:02:06,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 140 remaining) [2024-11-09 05:02:06,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr107ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 140 remaining) [2024-11-09 05:02:06,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 140 remaining) [2024-11-09 05:02:06,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr109ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 140 remaining) [2024-11-09 05:02:06,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 140 remaining) [2024-11-09 05:02:06,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 140 remaining) [2024-11-09 05:02:06,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 140 remaining) [2024-11-09 05:02:06,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 140 remaining) [2024-11-09 05:02:06,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 140 remaining) [2024-11-09 05:02:06,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 140 remaining) [2024-11-09 05:02:06,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 140 remaining) [2024-11-09 05:02:06,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 140 remaining) [2024-11-09 05:02:06,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 140 remaining) [2024-11-09 05:02:06,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 140 remaining) [2024-11-09 05:02:06,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 140 remaining) [2024-11-09 05:02:06,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 140 remaining) [2024-11-09 05:02:06,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 140 remaining) [2024-11-09 05:02:06,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 140 remaining) [2024-11-09 05:02:06,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 140 remaining) [2024-11-09 05:02:06,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 140 remaining) [2024-11-09 05:02:06,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 140 remaining) [2024-11-09 05:02:06,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr127ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 140 remaining) [2024-11-09 05:02:06,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 140 remaining) [2024-11-09 05:02:06,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr129ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 140 remaining) [2024-11-09 05:02:06,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 140 remaining) [2024-11-09 05:02:06,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr131ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 140 remaining) [2024-11-09 05:02:06,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 140 remaining) [2024-11-09 05:02:06,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr133ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 140 remaining) [2024-11-09 05:02:06,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 140 remaining) [2024-11-09 05:02:06,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 140 remaining) [2024-11-09 05:02:06,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 140 remaining) [2024-11-09 05:02:06,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 140 remaining) [2024-11-09 05:02:06,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 140 remaining) [2024-11-09 05:02:06,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 140 remaining) [2024-11-09 05:02:06,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 05:02:06,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-09 05:02:06,540 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:06,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:02:07,894 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:02:07,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:02:07,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:02:07 BoogieIcfgContainer [2024-11-09 05:02:07,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:02:07,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:02:07,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:02:07,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:02:07,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:00:59" (3/4) ... [2024-11-09 05:02:07,934 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:02:07,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 05:02:07,952 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 05:02:07,953 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 05:02:07,953 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:02:07,954 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:02:08,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:02:08,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:02:08,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:02:08,140 INFO L158 Benchmark]: Toolchain (without parser) took 71134.55ms. Allocated memory was 157.3MB in the beginning and 578.8MB in the end (delta: 421.5MB). Free memory was 125.3MB in the beginning and 468.4MB in the end (delta: -343.2MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-11-09 05:02:08,141 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 123.7MB. Free memory was 89.5MB in the beginning and 89.4MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:02:08,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.22ms. Allocated memory is still 157.3MB. Free memory was 125.3MB in the beginning and 112.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:02:08,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.37ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 109.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:02:08,142 INFO L158 Benchmark]: Boogie Preprocessor took 33.25ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 107.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:02:08,143 INFO L158 Benchmark]: RCFGBuilder took 1681.70ms. Allocated memory is still 157.3MB. Free memory was 107.8MB in the beginning and 65.2MB in the end (delta: 42.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 05:02:08,144 INFO L158 Benchmark]: TraceAbstraction took 68762.39ms. Allocated memory was 157.3MB in the beginning and 578.8MB in the end (delta: 421.5MB). Free memory was 64.5MB in the beginning and 475.8MB in the end (delta: -411.3MB). Peak memory consumption was 288.4MB. Max. memory is 16.1GB. [2024-11-09 05:02:08,144 INFO L158 Benchmark]: Witness Printer took 209.80ms. Allocated memory is still 578.8MB. Free memory was 475.8MB in the beginning and 468.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 05:02:08,146 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 123.7MB. Free memory was 89.5MB in the beginning and 89.4MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.22ms. Allocated memory is still 157.3MB. Free memory was 125.3MB in the beginning and 112.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.37ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 109.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.25ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 107.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1681.70ms. Allocated memory is still 157.3MB. Free memory was 107.8MB in the beginning and 65.2MB in the end (delta: 42.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 68762.39ms. Allocated memory was 157.3MB in the beginning and 578.8MB in the end (delta: 421.5MB). Free memory was 64.5MB in the beginning and 475.8MB in the end (delta: -411.3MB). Peak memory consumption was 288.4MB. Max. memory is 16.1GB. * Witness Printer took 209.80ms. Allocated memory is still 578.8MB. Free memory was 475.8MB in the beginning and 468.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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: 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: 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: 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 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: 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: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: 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, 299 locations, 140 error locations. Started 1 CEGAR loops. OverallTime: 67.3s, OverallIterations: 23, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 20.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3808 SdHoareTripleChecker+Valid, 18.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3696 mSDsluCounter, 9576 SdHoareTripleChecker+Invalid, 16.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4954 mSDsCounter, 382 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8823 IncrementalHoareTripleChecker+Invalid, 9205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 382 mSolverCounterUnsat, 4622 mSDtfsCounter, 8823 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1864 GetRequests, 1457 SyntacticMatches, 256 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3672 ImplicationChecksByTransitivity, 19.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=439occurred in iteration=7, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 23 MinimizatonAttempts, 385 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 2613 NumberOfCodeBlocks, 2613 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2482 ConstructedInterpolants, 0 QuantifiedInterpolants, 11789 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1645 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 32 InterpolantComputations, 19 PerfectInterpolantSequences, 1127/1400 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: 11.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 286, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 663, TOOLS_POST_TIME: 6.4s, TOOLS_POST_CALL_APPLICATIONS: 129, TOOLS_POST_CALL_TIME: 1.8s, TOOLS_POST_RETURN_APPLICATIONS: 112, TOOLS_POST_RETURN_TIME: 1.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 904, TOOLS_QUANTIFIERELIM_TIME: 9.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1040, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 123, DOMAIN_JOIN_TIME: 0.9s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 286, DOMAIN_ISBOTTOM_TIME: 0.4s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 5.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 112, CALL_SUMMARIZER_CACHE_MISSES: 3, 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: 0.5s, DAG_COMPRESSION_PROCESSED_NODES: 21711, DAG_COMPRESSION_RETAINED_NODES: 833, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 140 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:02:08,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4321233c-f8dd-4641-baa1-6830652a2091/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