./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:44:09,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:44:09,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:44:09,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:44:09,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:44:09,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:44:09,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:44:09,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:44:09,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:44:09,393 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:44:09,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:44:09,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:44:09,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:44:09,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:44:09,399 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:44:09,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:44:09,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:44:09,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:44:09,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:44:09,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:44:09,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:44:09,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:44:09,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:44:09,405 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:44:09,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:44:09,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:44:09,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:44:09,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:44:09,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:44:09,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:44:09,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:44:09,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:44:09,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:44:09,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:44:09,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:44:09,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:44:09,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:44:09,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:44:09,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:44:09,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:44:09,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:44:09,414 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 [2024-11-08 18:44:09,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:44:09,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:44:09,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:44:09,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:44:09,820 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:44:09,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c Unable to find full path for "g++" [2024-11-08 18:44:12,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:44:12,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:44:12,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2024-11-08 18:44:12,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/data/695354358/b8b3517cb1954a31a0dfe5a45f3e7801/FLAG450e49b40 [2024-11-08 18:44:12,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/data/695354358/b8b3517cb1954a31a0dfe5a45f3e7801 [2024-11-08 18:44:12,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:44:12,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:44:12,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:44:12,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:44:12,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:44:12,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a37690d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12, skipping insertion in model container [2024-11-08 18:44:12,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:44:12,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:44:12,889 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:44:12,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:44:12,923 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:44:12,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12 WrapperNode [2024-11-08 18:44:12,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:44:12,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:44:12,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:44:12,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:44:12,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,954 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-11-08 18:44:12,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:44:12,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:44:12,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:44:12,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:44:12,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,973 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 18:44:12,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:44:12,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:44:12,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:44:12,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:44:12,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (1/1) ... [2024-11-08 18:44:12,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:44:13,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:13,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:44:13,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:44:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:44:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:44:13,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:44:13,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:44:13,450 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-08 18:44:13,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:44:13,471 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:44:13,472 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:44:13,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:44:13 BoogieIcfgContainer [2024-11-08 18:44:13,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:44:13,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:44:13,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:44:13,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:44:13,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:44:12" (1/3) ... [2024-11-08 18:44:13,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b8706f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:44:13, skipping insertion in model container [2024-11-08 18:44:13,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:12" (2/3) ... [2024-11-08 18:44:13,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b8706f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:44:13, skipping insertion in model container [2024-11-08 18:44:13,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:44:13" (3/3) ... [2024-11-08 18:44:13,485 INFO L112 eAbstractionObserver]: Analyzing ICFG LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2024-11-08 18:44:13,508 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:44:13,509 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-08 18:44:13,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:44:13,589 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=PETRI_NET, 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;@49bba073, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:44:13,589 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-08 18:44:13,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 18:44:13,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:13,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 18:44:13,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:13,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:13,607 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-08 18:44:13,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:13,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273956367] [2024-11-08 18:44:13,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:13,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:13,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:13,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273956367] [2024-11-08 18:44:13,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273956367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:13,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:13,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:44:13,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318336414] [2024-11-08 18:44:13,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:13,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:44:13,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:13,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:44:13,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:44:13,837 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2024-11-08 18:44:13,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:13,901 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2024-11-08 18:44:13,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:44:13,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2024-11-08 18:44:13,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:13,923 INFO L225 Difference]: With dead ends: 34 [2024-11-08 18:44:13,923 INFO L226 Difference]: Without dead ends: 27 [2024-11-08 18:44:13,927 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 [2024-11-08 18:44:13,934 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:13,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 45 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:44:13,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-08 18:44:13,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2024-11-08 18:44:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2024-11-08 18:44:13,980 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 6 [2024-11-08 18:44:13,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:13,981 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2024-11-08 18:44:13,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2024-11-08 18:44:13,981 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-11-08 18:44:13,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 18:44:13,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:13,983 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:13,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:44:13,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:13,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:13,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1804968328, now seen corresponding path program 1 times [2024-11-08 18:44:13,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:13,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834259185] [2024-11-08 18:44:13,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:13,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:14,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:14,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834259185] [2024-11-08 18:44:14,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834259185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:14,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:14,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:44:14,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696490859] [2024-11-08 18:44:14,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:14,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:44:14,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:14,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:44:14,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:44:14,068 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:14,108 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2024-11-08 18:44:14,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:44:14,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2024-11-08 18:44:14,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:14,111 INFO L225 Difference]: With dead ends: 26 [2024-11-08 18:44:14,111 INFO L226 Difference]: Without dead ends: 25 [2024-11-08 18:44:14,114 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 [2024-11-08 18:44:14,116 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:14,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 13 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:44:14,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-08 18:44:14,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-08 18:44:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.5) internal successors, (27), 24 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2024-11-08 18:44:14,129 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 7 [2024-11-08 18:44:14,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:14,129 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-11-08 18:44:14,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-08 18:44:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 18:44:14,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:14,133 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:14,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:44:14,134 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:14,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:14,136 INFO L85 PathProgramCache]: Analyzing trace with hash -592222229, now seen corresponding path program 1 times [2024-11-08 18:44:14,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:14,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121017667] [2024-11-08 18:44:14,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:14,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:14,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:14,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121017667] [2024-11-08 18:44:14,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121017667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:14,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:14,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:44:14,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102381124] [2024-11-08 18:44:14,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:14,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:44:14,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:14,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:44:14,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:44:14,247 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:14,461 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2024-11-08 18:44:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:44:14,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2024-11-08 18:44:14,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:14,466 INFO L225 Difference]: With dead ends: 43 [2024-11-08 18:44:14,466 INFO L226 Difference]: Without dead ends: 42 [2024-11-08 18:44:14,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:44:14,468 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 18 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:14,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 27 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:44:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-08 18:44:14,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2024-11-08 18:44:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2024-11-08 18:44:14,489 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 9 [2024-11-08 18:44:14,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:14,489 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 41 transitions. [2024-11-08 18:44:14,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-11-08 18:44:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 18:44:14,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:14,491 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:14,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:44:14,491 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:14,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:14,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1179019843, now seen corresponding path program 1 times [2024-11-08 18:44:14,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:14,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645381450] [2024-11-08 18:44:14,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:14,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:14,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:14,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645381450] [2024-11-08 18:44:14,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645381450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:14,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:14,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:44:14,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318921009] [2024-11-08 18:44:14,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:14,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:44:14,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:14,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:44:14,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:14,627 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:14,714 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2024-11-08 18:44:14,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:44:14,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2024-11-08 18:44:14,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:14,721 INFO L225 Difference]: With dead ends: 50 [2024-11-08 18:44:14,721 INFO L226 Difference]: Without dead ends: 49 [2024-11-08 18:44:14,722 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 [2024-11-08 18:44:14,725 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 18 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:14,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 19 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:44:14,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-08 18:44:14,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2024-11-08 18:44:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.6388888888888888) internal successors, (59), 42 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2024-11-08 18:44:14,749 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 10 [2024-11-08 18:44:14,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:14,750 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2024-11-08 18:44:14,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,750 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-11-08 18:44:14,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 18:44:14,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:14,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:14,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:44:14,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:14,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:14,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1179034674, now seen corresponding path program 1 times [2024-11-08 18:44:14,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:14,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180933245] [2024-11-08 18:44:14,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:14,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:14,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:14,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180933245] [2024-11-08 18:44:14,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180933245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:14,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:14,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:44:14,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557858816] [2024-11-08 18:44:14,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:14,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:44:14,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:14,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:44:14,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:14,822 INFO L87 Difference]: Start difference. First operand 43 states and 59 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:14,926 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2024-11-08 18:44:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:44:14,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2024-11-08 18:44:14,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:14,927 INFO L225 Difference]: With dead ends: 71 [2024-11-08 18:44:14,928 INFO L226 Difference]: Without dead ends: 69 [2024-11-08 18:44:14,928 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 [2024-11-08 18:44:14,932 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 23 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:14,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 38 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:44:14,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-08 18:44:14,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 64. [2024-11-08 18:44:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 57 states have (on average 1.5614035087719298) internal successors, (89), 63 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 89 transitions. [2024-11-08 18:44:14,960 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 89 transitions. Word has length 10 [2024-11-08 18:44:14,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:14,960 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 89 transitions. [2024-11-08 18:44:14,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:14,961 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2024-11-08 18:44:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:44:14,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:14,962 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:14,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:44:14,965 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:14,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:14,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2104630831, now seen corresponding path program 1 times [2024-11-08 18:44:14,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:14,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434781055] [2024-11-08 18:44:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:14,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:15,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:15,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434781055] [2024-11-08 18:44:15,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434781055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:15,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:15,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:44:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392133340] [2024-11-08 18:44:15,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:15,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:44:15,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:15,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:44:15,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:15,065 INFO L87 Difference]: Start difference. First operand 64 states and 89 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:15,143 INFO L93 Difference]: Finished difference Result 112 states and 163 transitions. [2024-11-08 18:44:15,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:44:15,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-08 18:44:15,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:15,150 INFO L225 Difference]: With dead ends: 112 [2024-11-08 18:44:15,150 INFO L226 Difference]: Without dead ends: 111 [2024-11-08 18:44:15,151 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 [2024-11-08 18:44:15,152 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 22 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:15,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 37 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:44:15,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-08 18:44:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 103. [2024-11-08 18:44:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 96 states have (on average 1.5416666666666667) internal successors, (148), 102 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2024-11-08 18:44:15,182 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 11 [2024-11-08 18:44:15,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:15,183 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2024-11-08 18:44:15,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2024-11-08 18:44:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 18:44:15,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:15,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:15,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:44:15,191 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:15,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:15,191 INFO L85 PathProgramCache]: Analyzing trace with hash 819046384, now seen corresponding path program 1 times [2024-11-08 18:44:15,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:15,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219816099] [2024-11-08 18:44:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:15,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:15,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:15,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219816099] [2024-11-08 18:44:15,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219816099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:15,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:15,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:44:15,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207059344] [2024-11-08 18:44:15,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:15,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:44:15,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:15,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:44:15,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:44:15,256 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:15,329 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2024-11-08 18:44:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:44:15,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2024-11-08 18:44:15,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:15,336 INFO L225 Difference]: With dead ends: 149 [2024-11-08 18:44:15,336 INFO L226 Difference]: Without dead ends: 148 [2024-11-08 18:44:15,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:44:15,338 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 27 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:15,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 21 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:44:15,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-08 18:44:15,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 102. [2024-11-08 18:44:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 96 states have (on average 1.4791666666666667) internal successors, (142), 101 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 142 transitions. [2024-11-08 18:44:15,355 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 142 transitions. Word has length 12 [2024-11-08 18:44:15,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:15,355 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 142 transitions. [2024-11-08 18:44:15,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 142 transitions. [2024-11-08 18:44:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 18:44:15,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:15,356 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:15,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:44:15,356 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:15,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:15,357 INFO L85 PathProgramCache]: Analyzing trace with hash -379365807, now seen corresponding path program 1 times [2024-11-08 18:44:15,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:15,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641676358] [2024-11-08 18:44:15,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:15,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:15,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641676358] [2024-11-08 18:44:15,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641676358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:44:15,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:44:15,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:44:15,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907229857] [2024-11-08 18:44:15,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:44:15,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:44:15,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:15,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:44:15,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:44:15,390 INFO L87 Difference]: Start difference. First operand 102 states and 142 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:15,412 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2024-11-08 18:44:15,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:44:15,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2024-11-08 18:44:15,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:15,413 INFO L225 Difference]: With dead ends: 102 [2024-11-08 18:44:15,413 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 18:44:15,414 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 [2024-11-08 18:44:15,415 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:15,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:44:15,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 18:44:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-08 18:44:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 100 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 136 transitions. [2024-11-08 18:44:15,431 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 136 transitions. Word has length 13 [2024-11-08 18:44:15,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:15,431 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 136 transitions. [2024-11-08 18:44:15,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2024-11-08 18:44:15,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 18:44:15,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:15,432 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:15,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:44:15,433 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:15,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:15,433 INFO L85 PathProgramCache]: Analyzing trace with hash 511591431, now seen corresponding path program 1 times [2024-11-08 18:44:15,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:15,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037659403] [2024-11-08 18:44:15,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:15,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:15,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:15,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037659403] [2024-11-08 18:44:15,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037659403] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:15,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573507720] [2024-11-08 18:44:15,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:15,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:15,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:15,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:15,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:44:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:15,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:44:15,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:15,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:15,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573507720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:15,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:15,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-08 18:44:15,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512517506] [2024-11-08 18:44:15,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:15,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:44:15,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:15,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:44:15,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:44:15,949 INFO L87 Difference]: Start difference. First operand 101 states and 136 transitions. Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:16,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:16,574 INFO L93 Difference]: Finished difference Result 250 states and 366 transitions. [2024-11-08 18:44:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 18:44:16,575 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-08 18:44:16,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:16,576 INFO L225 Difference]: With dead ends: 250 [2024-11-08 18:44:16,577 INFO L226 Difference]: Without dead ends: 247 [2024-11-08 18:44:16,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2024-11-08 18:44:16,579 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 160 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:16,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 30 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:44:16,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-08 18:44:16,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 136. [2024-11-08 18:44:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 133 states have (on average 1.3383458646616542) internal successors, (178), 135 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 178 transitions. [2024-11-08 18:44:16,629 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 178 transitions. Word has length 16 [2024-11-08 18:44:16,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:16,629 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 178 transitions. [2024-11-08 18:44:16,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2024-11-08 18:44:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 18:44:16,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:16,631 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 18:44:16,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:44:16,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:16,832 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:16,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:16,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1320534751, now seen corresponding path program 1 times [2024-11-08 18:44:16,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:16,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951997091] [2024-11-08 18:44:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:16,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:16,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:16,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951997091] [2024-11-08 18:44:16,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951997091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:16,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490240272] [2024-11-08 18:44:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:16,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:16,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:16,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:16,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:44:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:17,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:44:17,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:17,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:17,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490240272] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:17,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:17,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-08 18:44:17,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512160622] [2024-11-08 18:44:17,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:17,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:44:17,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:17,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:44:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:44:17,290 INFO L87 Difference]: Start difference. First operand 136 states and 178 transitions. Second operand has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:17,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:17,657 INFO L93 Difference]: Finished difference Result 269 states and 363 transitions. [2024-11-08 18:44:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 18:44:17,657 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-08 18:44:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:17,659 INFO L225 Difference]: With dead ends: 269 [2024-11-08 18:44:17,659 INFO L226 Difference]: Without dead ends: 268 [2024-11-08 18:44:17,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:44:17,660 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 230 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:17,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 32 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:44:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-08 18:44:17,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 210. [2024-11-08 18:44:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 207 states have (on average 1.3140096618357489) internal successors, (272), 209 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 272 transitions. [2024-11-08 18:44:17,705 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 272 transitions. Word has length 17 [2024-11-08 18:44:17,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:17,705 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 272 transitions. [2024-11-08 18:44:17,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 272 transitions. [2024-11-08 18:44:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 18:44:17,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:17,707 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:17,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:44:17,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 18:44:17,908 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:17,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:17,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1461933057, now seen corresponding path program 1 times [2024-11-08 18:44:17,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:17,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819539987] [2024-11-08 18:44:17,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:17,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:17,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:17,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819539987] [2024-11-08 18:44:17,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819539987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:17,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191408319] [2024-11-08 18:44:17,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:17,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:17,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:17,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:44:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:18,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:44:18,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:18,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:18,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191408319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:18,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:18,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 18:44:18,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600278898] [2024-11-08 18:44:18,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:18,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:44:18,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:18,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:44:18,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:44:18,155 INFO L87 Difference]: Start difference. First operand 210 states and 272 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:18,307 INFO L93 Difference]: Finished difference Result 459 states and 606 transitions. [2024-11-08 18:44:18,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:44:18,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-08 18:44:18,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:18,310 INFO L225 Difference]: With dead ends: 459 [2024-11-08 18:44:18,311 INFO L226 Difference]: Without dead ends: 458 [2024-11-08 18:44:18,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:44:18,312 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 57 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:18,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 65 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:44:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-08 18:44:18,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 343. [2024-11-08 18:44:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 340 states have (on average 1.3088235294117647) internal successors, (445), 342 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 445 transitions. [2024-11-08 18:44:18,392 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 445 transitions. Word has length 23 [2024-11-08 18:44:18,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:18,392 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 445 transitions. [2024-11-08 18:44:18,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 445 transitions. [2024-11-08 18:44:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 18:44:18,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:18,395 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 18:44:18,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:44:18,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:18,596 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:18,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1905897599, now seen corresponding path program 1 times [2024-11-08 18:44:18,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:18,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430655794] [2024-11-08 18:44:18,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:44:18,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:18,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430655794] [2024-11-08 18:44:18,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430655794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:18,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894747650] [2024-11-08 18:44:18,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:18,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:18,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:18,717 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:18,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:44:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:18,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 18:44:18,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:44:18,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:44:19,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894747650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:19,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:19,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 18 [2024-11-08 18:44:19,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495304764] [2024-11-08 18:44:19,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:19,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 18:44:19,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:19,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 18:44:19,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:44:19,125 INFO L87 Difference]: Start difference. First operand 343 states and 445 transitions. Second operand has 19 states, 18 states have (on average 4.611111111111111) internal successors, (83), 19 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:19,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:19,940 INFO L93 Difference]: Finished difference Result 768 states and 993 transitions. [2024-11-08 18:44:19,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 18:44:19,940 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.611111111111111) internal successors, (83), 19 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-08 18:44:19,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:19,943 INFO L225 Difference]: With dead ends: 768 [2024-11-08 18:44:19,944 INFO L226 Difference]: Without dead ends: 766 [2024-11-08 18:44:19,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=591, Invalid=1389, Unknown=0, NotChecked=0, Total=1980 [2024-11-08 18:44:19,945 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 86 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:19,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 8 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:44:19,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-08 18:44:19,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 384. [2024-11-08 18:44:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 381 states have (on average 1.2755905511811023) internal successors, (486), 383 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 486 transitions. [2024-11-08 18:44:19,996 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 486 transitions. Word has length 29 [2024-11-08 18:44:19,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:19,996 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 486 transitions. [2024-11-08 18:44:19,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.611111111111111) internal successors, (83), 19 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 486 transitions. [2024-11-08 18:44:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 18:44:19,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:19,998 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 18:44:20,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 18:44:20,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 18:44:20,203 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:20,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:20,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1746687356, now seen corresponding path program 2 times [2024-11-08 18:44:20,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:20,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668746523] [2024-11-08 18:44:20,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:20,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:20,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:20,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668746523] [2024-11-08 18:44:20,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668746523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:20,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638379484] [2024-11-08 18:44:20,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:44:20,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:20,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:20,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:20,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 18:44:20,428 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:44:20,429 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:44:20,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:44:20,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:20,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:20,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638379484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:20,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:20,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-08 18:44:20,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191047914] [2024-11-08 18:44:20,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:20,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 18:44:20,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:20,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 18:44:20,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:44:20,828 INFO L87 Difference]: Start difference. First operand 384 states and 486 transitions. Second operand has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:22,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:22,507 INFO L93 Difference]: Finished difference Result 2071 states and 2580 transitions. [2024-11-08 18:44:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-08 18:44:22,508 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 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 35 [2024-11-08 18:44:22,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:22,515 INFO L225 Difference]: With dead ends: 2071 [2024-11-08 18:44:22,515 INFO L226 Difference]: Without dead ends: 2070 [2024-11-08 18:44:22,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2295 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1625, Invalid=4227, Unknown=0, NotChecked=0, Total=5852 [2024-11-08 18:44:22,519 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 443 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:22,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 36 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:44:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2024-11-08 18:44:22,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 882. [2024-11-08 18:44:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 879 states have (on average 1.2798634812286689) internal successors, (1125), 881 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1125 transitions. [2024-11-08 18:44:22,619 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1125 transitions. Word has length 35 [2024-11-08 18:44:22,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:22,620 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1125 transitions. [2024-11-08 18:44:22,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1125 transitions. [2024-11-08 18:44:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 18:44:22,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:22,621 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-11-08 18:44:22,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 18:44:22,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 18:44:22,823 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:22,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:22,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1928709309, now seen corresponding path program 2 times [2024-11-08 18:44:22,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:22,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391811001] [2024-11-08 18:44:22,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:22,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:23,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:23,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391811001] [2024-11-08 18:44:23,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391811001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:23,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465088031] [2024-11-08 18:44:23,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:44:23,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:23,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:23,028 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:23,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 18:44:23,084 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:44:23,084 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:44:23,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 18:44:23,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:23,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:23,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465088031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:23,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:23,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2024-11-08 18:44:23,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834888739] [2024-11-08 18:44:23,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:23,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-08 18:44:23,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:23,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-08 18:44:23,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2024-11-08 18:44:23,703 INFO L87 Difference]: Start difference. First operand 882 states and 1125 transitions. Second operand has 32 states, 31 states have (on average 3.5483870967741935) internal successors, (110), 32 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:25,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:25,395 INFO L93 Difference]: Finished difference Result 1915 states and 2389 transitions. [2024-11-08 18:44:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-08 18:44:25,396 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.5483870967741935) internal successors, (110), 32 states have internal predecessors, (110), 0 states have call successors, (0), 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 38 [2024-11-08 18:44:25,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:25,403 INFO L225 Difference]: With dead ends: 1915 [2024-11-08 18:44:25,403 INFO L226 Difference]: Without dead ends: 1914 [2024-11-08 18:44:25,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1357 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1263, Invalid=2643, Unknown=0, NotChecked=0, Total=3906 [2024-11-08 18:44:25,406 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 791 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:25,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 106 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 18:44:25,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2024-11-08 18:44:25,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1091. [2024-11-08 18:44:25,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1088 states have (on average 1.2738970588235294) internal successors, (1386), 1090 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1386 transitions. [2024-11-08 18:44:25,533 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1386 transitions. Word has length 38 [2024-11-08 18:44:25,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:25,533 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1386 transitions. [2024-11-08 18:44:25,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.5483870967741935) internal successors, (110), 32 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1386 transitions. [2024-11-08 18:44:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 18:44:25,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:25,537 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1] [2024-11-08 18:44:25,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 18:44:25,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 18:44:25,741 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:25,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:25,741 INFO L85 PathProgramCache]: Analyzing trace with hash 106577420, now seen corresponding path program 1 times [2024-11-08 18:44:25,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:25,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411055849] [2024-11-08 18:44:25,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:25,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 18:44:25,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:25,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411055849] [2024-11-08 18:44:25,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411055849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:25,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952192068] [2024-11-08 18:44:25,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:25,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:25,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:25,829 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:25,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 18:44:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:25,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 18:44:25,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:25,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:26,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952192068] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:26,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:26,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 15 [2024-11-08 18:44:26,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679271656] [2024-11-08 18:44:26,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:26,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 18:44:26,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:26,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 18:44:26,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:44:26,095 INFO L87 Difference]: Start difference. First operand 1091 states and 1386 transitions. Second operand has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:26,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:26,979 INFO L93 Difference]: Finished difference Result 4052 states and 5186 transitions. [2024-11-08 18:44:26,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 18:44:26,980 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-11-08 18:44:26,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:26,992 INFO L225 Difference]: With dead ends: 4052 [2024-11-08 18:44:26,992 INFO L226 Difference]: Without dead ends: 3771 [2024-11-08 18:44:26,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=545, Invalid=1015, Unknown=0, NotChecked=0, Total=1560 [2024-11-08 18:44:26,996 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 243 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:26,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 33 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:44:27,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2024-11-08 18:44:27,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 539. [2024-11-08 18:44:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 537 states have (on average 1.2569832402234637) internal successors, (675), 538 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 675 transitions. [2024-11-08 18:44:27,125 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 675 transitions. Word has length 41 [2024-11-08 18:44:27,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:27,126 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 675 transitions. [2024-11-08 18:44:27,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 675 transitions. [2024-11-08 18:44:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 18:44:27,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:27,127 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:44:27,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 18:44:27,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 18:44:27,328 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:27,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:27,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2104082085, now seen corresponding path program 2 times [2024-11-08 18:44:27,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:27,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135168407] [2024-11-08 18:44:27,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:27,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:27,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:27,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135168407] [2024-11-08 18:44:27,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135168407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:27,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505629503] [2024-11-08 18:44:27,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:44:27,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:27,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:27,519 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:27,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 18:44:27,565 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:44:27,565 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:44:27,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:44:27,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:27,645 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:27,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:27,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505629503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:27,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:27,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-08 18:44:27,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248062593] [2024-11-08 18:44:27,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:27,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 18:44:27,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:27,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 18:44:27,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:44:27,778 INFO L87 Difference]: Start difference. First operand 539 states and 675 transitions. Second operand has 16 states, 15 states have (on average 6.133333333333334) internal successors, (92), 16 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:28,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:28,198 INFO L93 Difference]: Finished difference Result 2048 states and 2615 transitions. [2024-11-08 18:44:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 18:44:28,199 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.133333333333334) internal successors, (92), 16 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-08 18:44:28,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:28,204 INFO L225 Difference]: With dead ends: 2048 [2024-11-08 18:44:28,204 INFO L226 Difference]: Without dead ends: 2047 [2024-11-08 18:44:28,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:44:28,205 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 214 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:28,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 130 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:44:28,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2024-11-08 18:44:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1447. [2024-11-08 18:44:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1447 states, 1445 states have (on average 1.2463667820069204) internal successors, (1801), 1446 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 1801 transitions. [2024-11-08 18:44:28,464 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 1801 transitions. Word has length 47 [2024-11-08 18:44:28,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:28,464 INFO L471 AbstractCegarLoop]: Abstraction has 1447 states and 1801 transitions. [2024-11-08 18:44:28,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.133333333333334) internal successors, (92), 16 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1801 transitions. [2024-11-08 18:44:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 18:44:28,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:28,466 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-08 18:44:28,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 18:44:28,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 18:44:28,670 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:28,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:28,671 INFO L85 PathProgramCache]: Analyzing trace with hash -685791120, now seen corresponding path program 3 times [2024-11-08 18:44:28,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:28,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169560839] [2024-11-08 18:44:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:28,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:28,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169560839] [2024-11-08 18:44:28,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169560839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:28,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558835040] [2024-11-08 18:44:28,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:44:28,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:28,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:28,945 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:28,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 18:44:28,987 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-08 18:44:28,987 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:44:28,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 18:44:28,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:29,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:29,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558835040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:29,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:29,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 36 [2024-11-08 18:44:29,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505735106] [2024-11-08 18:44:29,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:29,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-08 18:44:29,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-08 18:44:29,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 18:44:29,557 INFO L87 Difference]: Start difference. First operand 1447 states and 1801 transitions. Second operand has 37 states, 36 states have (on average 4.388888888888889) internal successors, (158), 37 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:44:38,755 INFO L93 Difference]: Finished difference Result 16181 states and 19525 transitions. [2024-11-08 18:44:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-11-08 18:44:38,755 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 4.388888888888889) internal successors, (158), 37 states have internal predecessors, (158), 0 states have call successors, (0), 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 54 [2024-11-08 18:44:38,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:44:38,785 INFO L225 Difference]: With dead ends: 16181 [2024-11-08 18:44:38,785 INFO L226 Difference]: Without dead ends: 16180 [2024-11-08 18:44:38,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32674 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=13891, Invalid=54491, Unknown=0, NotChecked=0, Total=68382 [2024-11-08 18:44:38,796 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 1412 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:44:38,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 39 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 18:44:38,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16180 states. [2024-11-08 18:44:40,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16180 to 4768. [2024-11-08 18:44:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4768 states, 4766 states have (on average 1.2574485942089804) internal successors, (5993), 4767 states have internal predecessors, (5993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:40,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4768 states to 4768 states and 5993 transitions. [2024-11-08 18:44:40,130 INFO L78 Accepts]: Start accepts. Automaton has 4768 states and 5993 transitions. Word has length 54 [2024-11-08 18:44:40,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:44:40,130 INFO L471 AbstractCegarLoop]: Abstraction has 4768 states and 5993 transitions. [2024-11-08 18:44:40,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 4.388888888888889) internal successors, (158), 37 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:44:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4768 states and 5993 transitions. [2024-11-08 18:44:40,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 18:44:40,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:44:40,133 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-11-08 18:44:40,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 18:44:40,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 18:44:40,333 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:44:40,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:44:40,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1067246078, now seen corresponding path program 4 times [2024-11-08 18:44:40,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:44:40,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182502583] [2024-11-08 18:44:40,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:44:40,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:44:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:44:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:40,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:44:40,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182502583] [2024-11-08 18:44:40,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182502583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:44:40,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898730439] [2024-11-08 18:44:40,804 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 18:44:40,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:44:40,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:44:40,805 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:44:40,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 18:44:40,854 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 18:44:40,854 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:44:40,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 18:44:40,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:44:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:41,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:44:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:44:42,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898730439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:44:42,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:44:42,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 58 [2024-11-08 18:44:42,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702050750] [2024-11-08 18:44:42,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:44:42,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-08 18:44:42,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:44:42,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-08 18:44:42,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2024-11-08 18:44:42,182 INFO L87 Difference]: Start difference. First operand 4768 states and 5993 transitions. Second operand has 59 states, 58 states have (on average 3.5517241379310347) internal successors, (206), 59 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:13,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:13,556 INFO L93 Difference]: Finished difference Result 33596 states and 40803 transitions. [2024-11-08 18:45:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 446 states. [2024-11-08 18:45:13,557 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 3.5517241379310347) internal successors, (206), 59 states have internal predecessors, (206), 0 states have call successors, (0), 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 70 [2024-11-08 18:45:13,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:13,621 INFO L225 Difference]: With dead ends: 33596 [2024-11-08 18:45:13,621 INFO L226 Difference]: Without dead ends: 33595 [2024-11-08 18:45:13,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133401 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=68263, Invalid=171347, Unknown=0, NotChecked=0, Total=239610 [2024-11-08 18:45:13,653 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2620 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 6865 mSolverCounterSat, 633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2620 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 7498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 6865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:13,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2620 Valid, 82 Invalid, 7498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [633 Valid, 6865 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 18:45:13,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33595 states. [2024-11-08 18:45:18,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33595 to 14794. [2024-11-08 18:45:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14794 states, 14792 states have (on average 1.250676041103299) internal successors, (18500), 14793 states have internal predecessors, (18500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14794 states to 14794 states and 18500 transitions. [2024-11-08 18:45:18,138 INFO L78 Accepts]: Start accepts. Automaton has 14794 states and 18500 transitions. Word has length 70 [2024-11-08 18:45:18,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:18,138 INFO L471 AbstractCegarLoop]: Abstraction has 14794 states and 18500 transitions. [2024-11-08 18:45:18,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 3.5517241379310347) internal successors, (206), 59 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 14794 states and 18500 transitions. [2024-11-08 18:45:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 18:45:18,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:18,143 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2024-11-08 18:45:18,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 18:45:18,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 18:45:18,344 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:45:18,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:18,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1177889824, now seen corresponding path program 5 times [2024-11-08 18:45:18,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:45:18,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472962507] [2024-11-08 18:45:18,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:18,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:45:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:18,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:45:18,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472962507] [2024-11-08 18:45:18,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472962507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:18,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847996798] [2024-11-08 18:45:18,692 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 18:45:18,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:18,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:18,694 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:18,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 18:45:18,746 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-08 18:45:18,747 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:45:18,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 18:45:18,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 76 proven. 24 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 18:45:18,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 76 proven. 24 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 18:45:19,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847996798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:45:19,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:45:19,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 11] total 38 [2024-11-08 18:45:19,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906042324] [2024-11-08 18:45:19,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:45:19,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-08 18:45:19,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:45:19,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-08 18:45:19,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1222, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 18:45:19,304 INFO L87 Difference]: Start difference. First operand 14794 states and 18500 transitions. Second operand has 38 states, 38 states have (on average 3.6052631578947367) internal successors, (137), 38 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:30,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:30,113 INFO L93 Difference]: Finished difference Result 32285 states and 40698 transitions. [2024-11-08 18:45:30,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2024-11-08 18:45:30,114 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 3.6052631578947367) internal successors, (137), 38 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-08 18:45:30,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:30,122 INFO L225 Difference]: With dead ends: 32285 [2024-11-08 18:45:30,122 INFO L226 Difference]: Without dead ends: 747 [2024-11-08 18:45:30,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22423 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=8533, Invalid=46927, Unknown=0, NotChecked=0, Total=55460 [2024-11-08 18:45:30,156 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 889 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:30,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 23 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 18:45:30,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-08 18:45:30,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 197. [2024-11-08 18:45:30,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 195 states have (on average 1.087179487179487) internal successors, (212), 196 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 212 transitions. [2024-11-08 18:45:30,314 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 212 transitions. Word has length 73 [2024-11-08 18:45:30,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:30,315 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 212 transitions. [2024-11-08 18:45:30,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.6052631578947367) internal successors, (137), 38 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 212 transitions. [2024-11-08 18:45:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 18:45:30,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:30,316 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2024-11-08 18:45:30,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 18:45:30,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:30,518 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:45:30,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:30,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1384732576, now seen corresponding path program 6 times [2024-11-08 18:45:30,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:45:30,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464701459] [2024-11-08 18:45:30,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:30,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:45:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:30,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:45:30,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464701459] [2024-11-08 18:45:30,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464701459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:30,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819856984] [2024-11-08 18:45:30,999 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 18:45:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:31,001 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:31,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 18:45:31,057 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-11-08 18:45:31,057 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:45:31,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:45:31,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:31,552 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:31,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:31,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819856984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:45:31,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:45:31,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15, 15] total 50 [2024-11-08 18:45:31,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209302972] [2024-11-08 18:45:31,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:45:31,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-08 18:45:31,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:45:31,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-08 18:45:31,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=553, Invalid=1997, Unknown=0, NotChecked=0, Total=2550 [2024-11-08 18:45:31,995 INFO L87 Difference]: Start difference. First operand 197 states and 212 transitions. Second operand has 51 states, 50 states have (on average 4.3) internal successors, (215), 51 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:35,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:35,410 INFO L93 Difference]: Finished difference Result 503 states and 529 transitions. [2024-11-08 18:45:35,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-08 18:45:35,411 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 50 states have (on average 4.3) internal successors, (215), 51 states have internal predecessors, (215), 0 states have call successors, (0), 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 73 [2024-11-08 18:45:35,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:35,417 INFO L225 Difference]: With dead ends: 503 [2024-11-08 18:45:35,417 INFO L226 Difference]: Without dead ends: 502 [2024-11-08 18:45:35,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7256 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=5066, Invalid=13840, Unknown=0, NotChecked=0, Total=18906 [2024-11-08 18:45:35,422 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 1055 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:35,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 67 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:45:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-08 18:45:35,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 215. [2024-11-08 18:45:35,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 213 states have (on average 1.0985915492957747) internal successors, (234), 214 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 234 transitions. [2024-11-08 18:45:35,677 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 234 transitions. Word has length 73 [2024-11-08 18:45:35,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:35,678 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 234 transitions. [2024-11-08 18:45:35,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 4.3) internal successors, (215), 51 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2024-11-08 18:45:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 18:45:35,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:35,679 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-11-08 18:45:35,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 18:45:35,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:35,880 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:45:35,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:35,881 INFO L85 PathProgramCache]: Analyzing trace with hash 695446156, now seen corresponding path program 7 times [2024-11-08 18:45:35,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:45:35,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952068873] [2024-11-08 18:45:35,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:35,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:45:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:36,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:45:36,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952068873] [2024-11-08 18:45:36,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952068873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:36,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000868699] [2024-11-08 18:45:36,561 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-08 18:45:36,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:36,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:36,562 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:36,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 18:45:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:36,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 18:45:36,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:37,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:37,883 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:37,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000868699] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:45:37,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:45:37,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 19, 19] total 64 [2024-11-08 18:45:37,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541692263] [2024-11-08 18:45:37,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:45:37,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-08 18:45:37,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:45:37,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-08 18:45:37,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=3289, Unknown=0, NotChecked=0, Total=4160 [2024-11-08 18:45:37,886 INFO L87 Difference]: Start difference. First operand 215 states and 234 transitions. Second operand has 65 states, 64 states have (on average 4.25) internal successors, (272), 65 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:43,533 INFO L93 Difference]: Finished difference Result 708 states and 748 transitions. [2024-11-08 18:45:43,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-11-08 18:45:43,534 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 4.25) internal successors, (272), 65 states have internal predecessors, (272), 0 states have call successors, (0), 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 92 [2024-11-08 18:45:43,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:43,538 INFO L225 Difference]: With dead ends: 708 [2024-11-08 18:45:43,538 INFO L226 Difference]: Without dead ends: 707 [2024-11-08 18:45:43,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15116 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=9942, Invalid=27888, Unknown=0, NotChecked=0, Total=37830 [2024-11-08 18:45:43,544 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 1584 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:43,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 80 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:45:43,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-08 18:45:43,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 246. [2024-11-08 18:45:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 244 states have (on average 1.1229508196721312) internal successors, (274), 245 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 274 transitions. [2024-11-08 18:45:43,740 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 274 transitions. Word has length 92 [2024-11-08 18:45:43,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:43,741 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 274 transitions. [2024-11-08 18:45:43,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 4.25) internal successors, (272), 65 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 274 transitions. [2024-11-08 18:45:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 18:45:43,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:43,742 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:45:43,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 18:45:43,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:43,943 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:45:43,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1354010605, now seen corresponding path program 3 times [2024-11-08 18:45:43,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:45:43,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416559734] [2024-11-08 18:45:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:43,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:45:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:44,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:45:44,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416559734] [2024-11-08 18:45:44,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416559734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:44,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018004675] [2024-11-08 18:45:44,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:45:44,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:44,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:44,225 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:44,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 18:45:44,283 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-08 18:45:44,283 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:45:44,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:45:44,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:44,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:44,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018004675] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:45:44,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:45:44,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-08 18:45:44,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276959466] [2024-11-08 18:45:44,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:45:44,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-08 18:45:44,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:45:44,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-08 18:45:44,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-08 18:45:44,904 INFO L87 Difference]: Start difference. First operand 246 states and 274 transitions. Second operand has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 32 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:46,168 INFO L93 Difference]: Finished difference Result 1065 states and 1137 transitions. [2024-11-08 18:45:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-08 18:45:46,169 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 32 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-08 18:45:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:46,173 INFO L225 Difference]: With dead ends: 1065 [2024-11-08 18:45:46,173 INFO L226 Difference]: Without dead ends: 1064 [2024-11-08 18:45:46,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-08 18:45:46,174 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 383 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:46,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 228 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:45:46,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-08 18:45:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 309. [2024-11-08 18:45:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 307 states have (on average 1.1140065146579805) internal successors, (342), 308 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 342 transitions. [2024-11-08 18:45:46,406 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 342 transitions. Word has length 95 [2024-11-08 18:45:46,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:45:46,407 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 342 transitions. [2024-11-08 18:45:46,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 32 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 342 transitions. [2024-11-08 18:45:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 18:45:46,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:45:46,408 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 14, 1, 1, 1, 1] [2024-11-08 18:45:46,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-08 18:45:46,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:46,612 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:45:46,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:45:46,613 INFO L85 PathProgramCache]: Analyzing trace with hash 745114173, now seen corresponding path program 3 times [2024-11-08 18:45:46,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:45:46,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217435775] [2024-11-08 18:45:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:45:46,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:45:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:45:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:47,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:45:47,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217435775] [2024-11-08 18:45:47,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217435775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:45:47,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032210153] [2024-11-08 18:45:47,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:45:47,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:45:47,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:45:47,417 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:45:47,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 18:45:47,491 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-08 18:45:47,491 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:45:47,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 18:45:47,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:45:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:49,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:45:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:45:50,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032210153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:45:50,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:45:50,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 91 [2024-11-08 18:45:50,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451237033] [2024-11-08 18:45:50,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:45:50,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-11-08 18:45:50,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:45:50,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-11-08 18:45:50,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1637, Invalid=6735, Unknown=0, NotChecked=0, Total=8372 [2024-11-08 18:45:50,375 INFO L87 Difference]: Start difference. First operand 309 states and 342 transitions. Second operand has 92 states, 91 states have (on average 3.5164835164835164) internal successors, (320), 92 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:45:59,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:45:59,975 INFO L93 Difference]: Finished difference Result 764 states and 812 transitions. [2024-11-08 18:45:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-11-08 18:45:59,976 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 91 states have (on average 3.5164835164835164) internal successors, (320), 92 states have internal predecessors, (320), 0 states have call successors, (0), 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 108 [2024-11-08 18:45:59,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:45:59,979 INFO L225 Difference]: With dead ends: 764 [2024-11-08 18:45:59,979 INFO L226 Difference]: Without dead ends: 763 [2024-11-08 18:45:59,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10743 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=8689, Invalid=21761, Unknown=0, NotChecked=0, Total=30450 [2024-11-08 18:45:59,984 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 719 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 4240 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 4513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 4240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:45:59,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 219 Invalid, 4513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 4240 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 18:45:59,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-08 18:46:00,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 421. [2024-11-08 18:46:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 419 states have (on average 1.0835322195704058) internal successors, (454), 420 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 454 transitions. [2024-11-08 18:46:00,365 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 454 transitions. Word has length 108 [2024-11-08 18:46:00,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:00,365 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 454 transitions. [2024-11-08 18:46:00,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 91 states have (on average 3.5164835164835164) internal successors, (320), 92 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 454 transitions. [2024-11-08 18:46:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 18:46:00,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:00,367 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1] [2024-11-08 18:46:00,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-08 18:46:00,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:46:00,568 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:46:00,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:00,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1202704752, now seen corresponding path program 8 times [2024-11-08 18:46:00,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:00,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756479977] [2024-11-08 18:46:00,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:00,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:01,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:01,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756479977] [2024-11-08 18:46:01,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756479977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:46:01,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894258520] [2024-11-08 18:46:01,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:46:01,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:46:01,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:01,316 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:46:01,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-08 18:46:01,363 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:46:01,363 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:46:01,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 18:46:01,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:46:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:02,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:46:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:03,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894258520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:46:03,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:46:03,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27, 27] total 84 [2024-11-08 18:46:03,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779639356] [2024-11-08 18:46:03,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:46:03,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-08 18:46:03,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:03,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-08 18:46:03,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1312, Invalid=5828, Unknown=0, NotChecked=0, Total=7140 [2024-11-08 18:46:03,504 INFO L87 Difference]: Start difference. First operand 421 states and 454 transitions. Second operand has 85 states, 84 states have (on average 3.880952380952381) internal successors, (326), 85 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:16,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:16,995 INFO L93 Difference]: Finished difference Result 1322 states and 1379 transitions. [2024-11-08 18:46:16,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2024-11-08 18:46:16,996 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 84 states have (on average 3.880952380952381) internal successors, (326), 85 states have internal predecessors, (326), 0 states have call successors, (0), 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 110 [2024-11-08 18:46:16,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:46:17,000 INFO L225 Difference]: With dead ends: 1322 [2024-11-08 18:46:17,000 INFO L226 Difference]: Without dead ends: 1321 [2024-11-08 18:46:17,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34364 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=21907, Invalid=58465, Unknown=0, NotChecked=0, Total=80372 [2024-11-08 18:46:17,008 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2023 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:46:17,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 130 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 18:46:17,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2024-11-08 18:46:17,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 465. [2024-11-08 18:46:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 463 states have (on average 1.079913606911447) internal successors, (500), 464 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 500 transitions. [2024-11-08 18:46:17,515 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 500 transitions. Word has length 110 [2024-11-08 18:46:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:17,516 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 500 transitions. [2024-11-08 18:46:17,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 3.880952380952381) internal successors, (326), 85 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 500 transitions. [2024-11-08 18:46:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 18:46:17,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:17,517 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1] [2024-11-08 18:46:17,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-08 18:46:17,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:46:17,718 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:46:17,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:17,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1707000132, now seen corresponding path program 9 times [2024-11-08 18:46:17,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:17,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305142926] [2024-11-08 18:46:17,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:17,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:18,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:18,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305142926] [2024-11-08 18:46:18,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305142926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:46:18,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665992124] [2024-11-08 18:46:18,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:46:18,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:46:18,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:18,381 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:46:18,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 18:46:18,440 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-11-08 18:46:18,441 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:46:18,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 18:46:18,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:46:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:19,230 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:46:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:20,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665992124] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:46:20,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:46:20,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 23, 23] total 78 [2024-11-08 18:46:20,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169318533] [2024-11-08 18:46:20,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:46:20,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-11-08 18:46:20,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:20,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-11-08 18:46:20,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1260, Invalid=4902, Unknown=0, NotChecked=0, Total=6162 [2024-11-08 18:46:20,014 INFO L87 Difference]: Start difference. First operand 465 states and 500 transitions. Second operand has 79 states, 78 states have (on average 4.217948717948718) internal successors, (329), 79 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:30,451 INFO L93 Difference]: Finished difference Result 1189 states and 1233 transitions. [2024-11-08 18:46:30,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-11-08 18:46:30,452 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 78 states have (on average 4.217948717948718) internal successors, (329), 79 states have internal predecessors, (329), 0 states have call successors, (0), 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 111 [2024-11-08 18:46:30,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:46:30,455 INFO L225 Difference]: With dead ends: 1189 [2024-11-08 18:46:30,455 INFO L226 Difference]: Without dead ends: 1188 [2024-11-08 18:46:30,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27627 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=17295, Invalid=50045, Unknown=0, NotChecked=0, Total=67340 [2024-11-08 18:46:30,462 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2589 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:46:30,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 93 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 18:46:30,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2024-11-08 18:46:30,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 428. [2024-11-08 18:46:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 426 states have (on average 1.0845070422535212) internal successors, (462), 427 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 462 transitions. [2024-11-08 18:46:30,962 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 462 transitions. Word has length 111 [2024-11-08 18:46:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:46:30,963 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 462 transitions. [2024-11-08 18:46:30,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 78 states have (on average 4.217948717948718) internal successors, (329), 79 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 462 transitions. [2024-11-08 18:46:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 18:46:30,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:46:30,964 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-11-08 18:46:30,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-08 18:46:31,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:46:31,165 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:46:31,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:31,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2087909720, now seen corresponding path program 10 times [2024-11-08 18:46:31,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:31,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552552683] [2024-11-08 18:46:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:31,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:32,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:32,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552552683] [2024-11-08 18:46:32,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552552683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:46:32,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548430308] [2024-11-08 18:46:32,050 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 18:46:32,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:46:32,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:32,051 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:46:32,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-08 18:46:32,105 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 18:46:32,106 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:46:32,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 18:46:32,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:46:33,510 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:33,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:46:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:35,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548430308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:46:35,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:46:35,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 118 [2024-11-08 18:46:35,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438007401] [2024-11-08 18:46:35,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:46:35,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-11-08 18:46:35,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:35,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-11-08 18:46:35,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2779, Invalid=11263, Unknown=0, NotChecked=0, Total=14042 [2024-11-08 18:46:35,168 INFO L87 Difference]: Start difference. First operand 428 states and 462 transitions. Second operand has 119 states, 118 states have (on average 3.2711864406779663) internal successors, (386), 119 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:47:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:47:28,742 INFO L93 Difference]: Finished difference Result 2671 states and 2767 transitions. [2024-11-08 18:47:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 587 states. [2024-11-08 18:47:28,743 INFO L78 Accepts]: Start accepts. Automaton has has 119 states, 118 states have (on average 3.2711864406779663) internal successors, (386), 119 states have internal predecessors, (386), 0 states have call successors, (0), 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 130 [2024-11-08 18:47:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:47:28,748 INFO L225 Difference]: With dead ends: 2671 [2024-11-08 18:47:28,748 INFO L226 Difference]: Without dead ends: 2670 [2024-11-08 18:47:28,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 683 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217685 ImplicationChecksByTransitivity, 37.2s TimeCoverageRelationStatistics Valid=94513, Invalid=374027, Unknown=0, NotChecked=0, Total=468540 [2024-11-08 18:47:28,782 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 8755 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 17151 mSolverCounterSat, 1731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8755 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 18882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1731 IncrementalHoareTripleChecker+Valid, 17151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:47:28,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8755 Valid, 30 Invalid, 18882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1731 Valid, 17151 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-11-08 18:47:28,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2024-11-08 18:47:29,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 458. [2024-11-08 18:47:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 456 states have (on average 1.087719298245614) internal successors, (496), 457 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:47:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 496 transitions. [2024-11-08 18:47:29,450 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 496 transitions. Word has length 130 [2024-11-08 18:47:29,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:47:29,451 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 496 transitions. [2024-11-08 18:47:29,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 118 states have (on average 3.2711864406779663) internal successors, (386), 119 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:47:29,451 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 496 transitions. [2024-11-08 18:47:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 18:47:29,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:47:29,452 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1] [2024-11-08 18:47:29,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-08 18:47:29,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-08 18:47:29,653 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:47:29,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:47:29,653 INFO L85 PathProgramCache]: Analyzing trace with hash 910057512, now seen corresponding path program 11 times [2024-11-08 18:47:29,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:47:29,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832783724] [2024-11-08 18:47:29,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:47:29,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:47:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:47:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:47:30,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:47:30,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832783724] [2024-11-08 18:47:30,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832783724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:47:30,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546864060] [2024-11-08 18:47:30,817 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 18:47:30,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:47:30,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:47:30,818 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:47:30,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-08 18:47:30,895 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-11-08 18:47:30,895 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:47:30,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 18:47:30,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:47:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:47:32,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:47:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:47:34,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546864060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:47:34,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:47:34,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 136 [2024-11-08 18:47:34,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220432924] [2024-11-08 18:47:34,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:47:34,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-11-08 18:47:34,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:47:34,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-11-08 18:47:34,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3670, Invalid=14962, Unknown=0, NotChecked=0, Total=18632 [2024-11-08 18:47:34,737 INFO L87 Difference]: Start difference. First operand 458 states and 496 transitions. Second operand has 137 states, 136 states have (on average 3.2573529411764706) internal successors, (443), 137 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:48:58,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:48:58,604 INFO L93 Difference]: Finished difference Result 3179 states and 3307 transitions. [2024-11-08 18:48:58,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 763 states. [2024-11-08 18:48:58,604 INFO L78 Accepts]: Start accepts. Automaton has has 137 states, 136 states have (on average 3.2573529411764706) internal successors, (443), 137 states have internal predecessors, (443), 0 states have call successors, (0), 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 149 [2024-11-08 18:48:58,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:48:58,608 INFO L225 Difference]: With dead ends: 3179 [2024-11-08 18:48:58,608 INFO L226 Difference]: Without dead ends: 3178 [2024-11-08 18:48:58,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 874 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364491 ImplicationChecksByTransitivity, 58.3s TimeCoverageRelationStatistics Valid=151544, Invalid=614956, Unknown=0, NotChecked=0, Total=766500 [2024-11-08 18:48:58,645 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 11339 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 25001 mSolverCounterSat, 2370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11339 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2370 IncrementalHoareTripleChecker+Valid, 25001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:48:58,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11339 Valid, 40 Invalid, 27371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2370 Valid, 25001 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2024-11-08 18:48:58,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2024-11-08 18:48:59,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 498. [2024-11-08 18:48:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 496 states have (on average 1.092741935483871) internal successors, (542), 497 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:48:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 542 transitions. [2024-11-08 18:48:59,217 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 542 transitions. Word has length 149 [2024-11-08 18:48:59,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:48:59,218 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 542 transitions. [2024-11-08 18:48:59,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 136 states have (on average 3.2573529411764706) internal successors, (443), 137 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:48:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 542 transitions. [2024-11-08 18:48:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-08 18:48:59,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:48:59,220 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 18:48:59,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-08 18:48:59,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-08 18:48:59,420 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:48:59,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:48:59,421 INFO L85 PathProgramCache]: Analyzing trace with hash -723549008, now seen corresponding path program 12 times [2024-11-08 18:48:59,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:48:59,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036308945] [2024-11-08 18:48:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:48:59,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:48:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:49:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1571 backedges. 0 proven. 1571 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:49:00,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:49:00,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036308945] [2024-11-08 18:49:00,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036308945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:49:00,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079834951] [2024-11-08 18:49:00,425 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 18:49:00,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:49:00,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:49:00,428 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:49:00,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-08 18:49:00,497 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-11-08 18:49:00,497 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:49:00,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 18:49:00,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:49:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1571 backedges. 0 proven. 1571 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:49:01,498 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:49:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1571 backedges. 0 proven. 1571 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:49:02,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079834951] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:49:02,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:49:02,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 27] total 81 [2024-11-08 18:49:02,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84449403] [2024-11-08 18:49:02,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:49:02,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-11-08 18:49:02,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:49:02,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-11-08 18:49:02,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=4812, Unknown=0, NotChecked=0, Total=6642 [2024-11-08 18:49:02,757 INFO L87 Difference]: Start difference. First operand 498 states and 542 transitions. Second operand has 82 states, 81 states have (on average 5.691358024691358) internal successors, (461), 82 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:49:12,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:49:12,328 INFO L93 Difference]: Finished difference Result 1568 states and 1654 transitions. [2024-11-08 18:49:12,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2024-11-08 18:49:12,329 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 81 states have (on average 5.691358024691358) internal successors, (461), 82 states have internal predecessors, (461), 0 states have call successors, (0), 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 155 [2024-11-08 18:49:12,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:49:12,332 INFO L225 Difference]: With dead ends: 1568 [2024-11-08 18:49:12,333 INFO L226 Difference]: Without dead ends: 1567 [2024-11-08 18:49:12,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18402 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=14131, Invalid=38539, Unknown=0, NotChecked=0, Total=52670 [2024-11-08 18:49:12,339 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 2210 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:49:12,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 77 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:49:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2024-11-08 18:49:12,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 577. [2024-11-08 18:49:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 575 states have (on average 1.1304347826086956) internal successors, (650), 576 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:49:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 650 transitions. [2024-11-08 18:49:12,969 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 650 transitions. Word has length 155 [2024-11-08 18:49:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:49:12,969 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 650 transitions. [2024-11-08 18:49:12,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 81 states have (on average 5.691358024691358) internal successors, (461), 82 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:49:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 650 transitions. [2024-11-08 18:49:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 18:49:12,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:49:12,971 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1] [2024-11-08 18:49:12,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-08 18:49:13,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-08 18:49:13,172 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:49:13,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:49:13,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1026000798, now seen corresponding path program 13 times [2024-11-08 18:49:13,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:49:13,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354641622] [2024-11-08 18:49:13,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:49:13,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:49:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:49:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:49:14,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:49:14,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354641622] [2024-11-08 18:49:14,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354641622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:49:14,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674060437] [2024-11-08 18:49:14,531 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-08 18:49:14,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:49:14,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:49:14,533 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:49:14,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-08 18:49:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:49:14,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 18:49:14,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:49:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:49:16,711 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:49:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:49:19,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674060437] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:49:19,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:49:19,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 41, 41] total 128 [2024-11-08 18:49:19,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482640361] [2024-11-08 18:49:19,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:49:19,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-11-08 18:49:19,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:49:19,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-11-08 18:49:19,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2889, Invalid=13623, Unknown=0, NotChecked=0, Total=16512 [2024-11-08 18:49:19,030 INFO L87 Difference]: Start difference. First operand 577 states and 650 transitions. Second operand has 129 states, 128 states have (on average 3.8125) internal successors, (488), 129 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:50:04,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:50:04,199 INFO L93 Difference]: Finished difference Result 2317 states and 2422 transitions. [2024-11-08 18:50:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 444 states. [2024-11-08 18:50:04,200 INFO L78 Accepts]: Start accepts. Automaton has has 129 states, 128 states have (on average 3.8125) internal successors, (488), 129 states have internal predecessors, (488), 0 states have call successors, (0), 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 164 [2024-11-08 18:50:04,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:50:04,203 INFO L225 Difference]: With dead ends: 2317 [2024-11-08 18:50:04,203 INFO L226 Difference]: Without dead ends: 2316 [2024-11-08 18:50:04,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 786 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 538 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135290 ImplicationChecksByTransitivity, 38.1s TimeCoverageRelationStatistics Valid=80398, Invalid=210662, Unknown=0, NotChecked=0, Total=291060 [2024-11-08 18:50:04,219 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 4803 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 4134 mSolverCounterSat, 1120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4803 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 5254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1120 IncrementalHoareTripleChecker+Valid, 4134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:50:04,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4803 Valid, 202 Invalid, 5254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1120 Valid, 4134 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 18:50:04,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2024-11-08 18:50:05,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 605. [2024-11-08 18:50:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 603 states have (on average 1.1243781094527363) internal successors, (678), 604 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:50:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 678 transitions. [2024-11-08 18:50:05,283 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 678 transitions. Word has length 164 [2024-11-08 18:50:05,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:50:05,284 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 678 transitions. [2024-11-08 18:50:05,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 128 states have (on average 3.8125) internal successors, (488), 129 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:50:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 678 transitions. [2024-11-08 18:50:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-08 18:50:05,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:50:05,286 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1] [2024-11-08 18:50:05,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-08 18:50:05,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-08 18:50:05,486 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:50:05,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:50:05,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1212284100, now seen corresponding path program 14 times [2024-11-08 18:50:05,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:50:05,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863157424] [2024-11-08 18:50:05,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:50:05,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:50:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:50:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:50:06,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:50:06,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863157424] [2024-11-08 18:50:06,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863157424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:50:06,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281794637] [2024-11-08 18:50:06,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:50:06,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:50:06,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:50:06,710 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:50:06,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-08 18:50:06,771 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:50:06,771 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:50:06,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 18:50:06,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:50:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:50:08,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:50:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:50:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281794637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:50:09,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:50:09,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 35, 35] total 120 [2024-11-08 18:50:09,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331704539] [2024-11-08 18:50:09,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:50:09,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-11-08 18:50:09,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:50:09,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-11-08 18:50:09,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2853, Invalid=11667, Unknown=0, NotChecked=0, Total=14520 [2024-11-08 18:50:09,981 INFO L87 Difference]: Start difference. First operand 605 states and 678 transitions. Second operand has 121 states, 120 states have (on average 4.166666666666667) internal successors, (500), 121 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:50:48,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:50:48,756 INFO L93 Difference]: Finished difference Result 2018 states and 2112 transitions. [2024-11-08 18:50:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 408 states. [2024-11-08 18:50:48,757 INFO L78 Accepts]: Start accepts. Automaton has has 121 states, 120 states have (on average 4.166666666666667) internal successors, (500), 121 states have internal predecessors, (500), 0 states have call successors, (0), 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 168 [2024-11-08 18:50:48,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:50:48,759 INFO L225 Difference]: With dead ends: 2018 [2024-11-08 18:50:48,759 INFO L226 Difference]: Without dead ends: 2017 [2024-11-08 18:50:48,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 509 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114689 ImplicationChecksByTransitivity, 30.4s TimeCoverageRelationStatistics Valid=64436, Invalid=196174, Unknown=0, NotChecked=0, Total=260610 [2024-11-08 18:50:48,775 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 6838 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 1844 mSolverCounterSat, 1799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6838 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1799 IncrementalHoareTripleChecker+Valid, 1844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:50:48,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6838 Valid, 139 Invalid, 3643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1799 Valid, 1844 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 18:50:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2024-11-08 18:50:49,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 605. [2024-11-08 18:50:49,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 603 states have (on average 1.1243781094527363) internal successors, (678), 604 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:50:49,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 678 transitions. [2024-11-08 18:50:49,878 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 678 transitions. Word has length 168 [2024-11-08 18:50:49,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:50:49,878 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 678 transitions. [2024-11-08 18:50:49,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 120 states have (on average 4.166666666666667) internal successors, (500), 121 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:50:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 678 transitions. [2024-11-08 18:50:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-08 18:50:49,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:50:49,881 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1] [2024-11-08 18:50:49,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-08 18:50:50,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:50:50,081 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:50:50,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:50:50,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1493124364, now seen corresponding path program 15 times [2024-11-08 18:50:50,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:50:50,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084389674] [2024-11-08 18:50:50,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:50:50,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:50:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:50:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 0 proven. 1531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:50:51,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:50:51,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084389674] [2024-11-08 18:50:51,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084389674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:50:51,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292004670] [2024-11-08 18:50:51,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:50:51,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:50:51,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:50:51,596 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:50:51,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-08 18:50:51,691 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2024-11-08 18:50:51,691 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:50:51,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 18:50:51,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:50:53,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 0 proven. 1531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:50:53,556 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:50:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 0 proven. 1531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:50:55,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292004670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:50:55,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:50:55,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 39, 39] total 134 [2024-11-08 18:50:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51719809] [2024-11-08 18:50:55,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:50:55,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2024-11-08 18:50:55,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:50:55,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2024-11-08 18:50:55,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3526, Invalid=14564, Unknown=0, NotChecked=0, Total=18090 [2024-11-08 18:50:55,553 INFO L87 Difference]: Start difference. First operand 605 states and 678 transitions. Second operand has 135 states, 134 states have (on average 4.156716417910448) internal successors, (557), 135 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:51:51,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:51:51,268 INFO L93 Difference]: Finished difference Result 2342 states and 2441 transitions. [2024-11-08 18:51:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 499 states. [2024-11-08 18:51:51,268 INFO L78 Accepts]: Start accepts. Automaton has has 135 states, 134 states have (on average 4.156716417910448) internal successors, (557), 135 states have internal predecessors, (557), 0 states have call successors, (0), 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 187 [2024-11-08 18:51:51,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:51:51,272 INFO L225 Difference]: With dead ends: 2342 [2024-11-08 18:51:51,272 INFO L226 Difference]: Without dead ends: 2341 [2024-11-08 18:51:51,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 910 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 612 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169174 ImplicationChecksByTransitivity, 44.0s TimeCoverageRelationStatistics Valid=92480, Invalid=283902, Unknown=0, NotChecked=0, Total=376382 [2024-11-08 18:51:51,289 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 9011 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 2043 mSolverCounterSat, 2355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9011 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 4398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2355 IncrementalHoareTripleChecker+Valid, 2043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:51:51,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9011 Valid, 156 Invalid, 4398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2355 Valid, 2043 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 18:51:51,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2341 states. [2024-11-08 18:51:52,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2341 to 642. [2024-11-08 18:51:52,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 640 states have (on average 1.1234375) internal successors, (719), 641 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:51:52,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 719 transitions. [2024-11-08 18:51:52,478 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 719 transitions. Word has length 187 [2024-11-08 18:51:52,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:51:52,479 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 719 transitions. [2024-11-08 18:51:52,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 134 states have (on average 4.156716417910448) internal successors, (557), 135 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:51:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 719 transitions. [2024-11-08 18:51:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 18:51:52,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:51:52,480 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:51:52,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-08 18:51:52,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:51:52,681 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:51:52,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:51:52,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1246616963, now seen corresponding path program 4 times [2024-11-08 18:51:52,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:51:52,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230728846] [2024-11-08 18:51:52,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:51:52,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:51:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:51:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:51:53,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:51:53,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230728846] [2024-11-08 18:51:53,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230728846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:51:53,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489946929] [2024-11-08 18:51:53,539 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 18:51:53,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:51:53,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:51:53,540 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:51:53,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-08 18:51:53,605 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 18:51:53,605 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:51:53,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 18:51:53,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:51:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:51:53,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:51:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:51:55,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489946929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:51:55,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:51:55,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-11-08 18:51:55,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344260832] [2024-11-08 18:51:55,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:51:55,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-08 18:51:55,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:51:55,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-08 18:51:55,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-08 18:51:55,143 INFO L87 Difference]: Start difference. First operand 642 states and 719 transitions. Second operand has 64 states, 63 states have (on average 6.031746031746032) internal successors, (380), 64 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:52:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:52:07,627 INFO L93 Difference]: Finished difference Result 3484 states and 3640 transitions. [2024-11-08 18:52:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-08 18:52:07,627 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 6.031746031746032) internal successors, (380), 64 states have internal predecessors, (380), 0 states have call successors, (0), 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 191 [2024-11-08 18:52:07,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:52:07,630 INFO L225 Difference]: With dead ends: 3484 [2024-11-08 18:52:07,630 INFO L226 Difference]: Without dead ends: 3483 [2024-11-08 18:52:07,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-08 18:52:07,632 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1007 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:52:07,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 452 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:52:07,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3483 states. [2024-11-08 18:52:08,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3483 to 729. [2024-11-08 18:52:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 727 states have (on average 1.1045392022008254) internal successors, (803), 728 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:52:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 803 transitions. [2024-11-08 18:52:08,772 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 803 transitions. Word has length 191 [2024-11-08 18:52:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:52:08,772 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 803 transitions. [2024-11-08 18:52:08,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 6.031746031746032) internal successors, (380), 64 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:52:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 803 transitions. [2024-11-08 18:52:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 18:52:08,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:52:08,773 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 20, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1] [2024-11-08 18:52:08,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-08 18:52:08,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:52:08,974 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:52:08,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:52:08,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1265038476, now seen corresponding path program 16 times [2024-11-08 18:52:08,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:52:08,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995062196] [2024-11-08 18:52:08,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:52:08,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:52:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:52:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 0 proven. 1875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:52:11,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:52:11,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995062196] [2024-11-08 18:52:11,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995062196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:52:11,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706423007] [2024-11-08 18:52:11,016 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 18:52:11,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:52:11,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:52:11,017 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:52:11,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-08 18:52:11,087 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 18:52:11,087 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:52:11,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-08 18:52:11,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:52:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 0 proven. 1875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:52:14,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:52:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 0 proven. 1875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:52:19,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706423007] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:52:19,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:52:19,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 60] total 178 [2024-11-08 18:52:19,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098164834] [2024-11-08 18:52:19,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:52:19,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2024-11-08 18:52:19,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:52:19,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2024-11-08 18:52:19,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4169, Invalid=27693, Unknown=0, NotChecked=0, Total=31862 [2024-11-08 18:52:19,059 INFO L87 Difference]: Start difference. First operand 729 states and 803 transitions. Second operand has 179 states, 178 states have (on average 3.4157303370786516) internal successors, (608), 179 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:56:30,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:56:30,250 INFO L93 Difference]: Finished difference Result 4334 states and 4514 transitions. [2024-11-08 18:56:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1061 states. [2024-11-08 18:56:30,251 INFO L78 Accepts]: Start accepts. Automaton has has 179 states, 178 states have (on average 3.4157303370786516) internal successors, (608), 179 states have internal predecessors, (608), 0 states have call successors, (0), 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 204 [2024-11-08 18:56:30,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:56:30,255 INFO L225 Difference]: With dead ends: 4334 [2024-11-08 18:56:30,256 INFO L226 Difference]: Without dead ends: 4333 [2024-11-08 18:56:30,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1486 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 1196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655641 ImplicationChecksByTransitivity, 191.5s TimeCoverageRelationStatistics Valid=285356, Invalid=1148650, Unknown=0, NotChecked=0, Total=1434006 [2024-11-08 18:56:30,327 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 14263 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 47763 mSolverCounterSat, 3040 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14263 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 50803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3040 IncrementalHoareTripleChecker+Valid, 47763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:56:30,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14263 Valid, 61 Invalid, 50803 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3040 Valid, 47763 Invalid, 0 Unknown, 0 Unchecked, 22.9s Time] [2024-11-08 18:56:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4333 states. [2024-11-08 18:56:32,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4333 to 785. [2024-11-08 18:56:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 783 states have (on average 1.0970625798212006) internal successors, (859), 784 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:56:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 859 transitions. [2024-11-08 18:56:32,629 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 859 transitions. Word has length 204 [2024-11-08 18:56:32,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:56:32,629 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 859 transitions. [2024-11-08 18:56:32,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 178 states have (on average 3.4157303370786516) internal successors, (608), 179 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:56:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 859 transitions. [2024-11-08 18:56:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-08 18:56:32,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:56:32,632 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1] [2024-11-08 18:56:32,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-08 18:56:32,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-08 18:56:32,832 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:56:32,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:56:32,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1146565408, now seen corresponding path program 17 times [2024-11-08 18:56:32,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:56:32,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792420310] [2024-11-08 18:56:32,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:56:32,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:56:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:56:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 0 proven. 1876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:56:34,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:56:34,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792420310] [2024-11-08 18:56:34,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792420310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:56:34,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826335152] [2024-11-08 18:56:34,942 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 18:56:34,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:56:34,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:56:34,944 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:56:34,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-08 18:56:35,030 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-11-08 18:56:35,031 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:56:35,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 18:56:35,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:56:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 0 proven. 1876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:56:37,184 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:56:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 0 proven. 1876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:56:39,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826335152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:56:39,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:56:39,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 43, 43] total 148 [2024-11-08 18:56:39,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115769719] [2024-11-08 18:56:39,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:56:39,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-11-08 18:56:39,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:56:39,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-11-08 18:56:39,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4270, Invalid=17782, Unknown=0, NotChecked=0, Total=22052 [2024-11-08 18:56:39,640 INFO L87 Difference]: Start difference. First operand 785 states and 859 transitions. Second operand has 149 states, 148 states have (on average 4.148648648648648) internal successors, (614), 149 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:58:08,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:58:08,554 INFO L93 Difference]: Finished difference Result 2854 states and 2958 transitions. [2024-11-08 18:58:08,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 598 states. [2024-11-08 18:58:08,555 INFO L78 Accepts]: Start accepts. Automaton has has 149 states, 148 states have (on average 4.148648648648648) internal successors, (614), 149 states have internal predecessors, (614), 0 states have call successors, (0), 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 206 [2024-11-08 18:58:08,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:58:08,558 INFO L225 Difference]: With dead ends: 2854 [2024-11-08 18:58:08,558 INFO L226 Difference]: Without dead ends: 2853 [2024-11-08 18:58:08,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1051 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 723 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239719 ImplicationChecksByTransitivity, 66.4s TimeCoverageRelationStatistics Valid=127989, Invalid=396911, Unknown=0, NotChecked=0, Total=524900 [2024-11-08 18:58:08,585 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 10938 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 2945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10938 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 5461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2945 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:58:08,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10938 Valid, 165 Invalid, 5461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2945 Valid, 2516 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-08 18:58:08,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2853 states. [2024-11-08 18:58:11,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2853 to 806. [2024-11-08 18:58:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 804 states have (on average 1.0982587064676617) internal successors, (883), 805 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:58:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 883 transitions. [2024-11-08 18:58:11,623 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 883 transitions. Word has length 206 [2024-11-08 18:58:11,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:58:11,623 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 883 transitions. [2024-11-08 18:58:11,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 148 states have (on average 4.148648648648648) internal successors, (614), 149 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:58:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 883 transitions. [2024-11-08 18:58:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-08 18:58:11,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:58:11,626 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 12, 12, 12, 12, 12, 12, 11, 1, 1, 1, 1] [2024-11-08 18:58:11,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-08 18:58:11,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4916b8bf-8aef-4f88-a116-d54d78bbf74d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-08 18:58:11,830 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:58:11,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:58:11,831 INFO L85 PathProgramCache]: Analyzing trace with hash 818622448, now seen corresponding path program 18 times [2024-11-08 18:58:11,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:58:11,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961349355] [2024-11-08 18:58:11,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:58:11,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:58:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat