./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Parts.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/Parts.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB --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 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:19:45,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:19:45,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 04:19:45,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:19:45,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:19:45,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:19:45,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:19:45,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:19:45,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:19:45,365 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:19:45,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:19:45,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:19:45,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:19:45,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:19:45,366 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:19:45,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:19:45,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:19:45,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:19:45,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:19:45,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:19:45,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:19:45,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:19:45,367 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:19:45,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:19:45,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:19:45,368 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:19:45,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:19:45,368 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:19:45,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:19:45,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:19:45,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:19:45,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:19:45,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:19:45,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:19:45,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:19:45,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:19:45,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:19:45,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:19:45,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:19:45,370 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:19:45,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:19:45,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:19:45,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:19:45,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:19:45,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:19:45,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:19:45,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:19:45,371 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2024-11-28 04:19:45,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:19:45,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:19:45,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:19:45,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:19:45,810 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:19:45,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-numeric/Parts.c [2024-11-28 04:19:49,505 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/data/762320ce0/25914f3e5c1246d7ab2408ec798f6d62/FLAGb84e3e2fd [2024-11-28 04:19:49,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:19:49,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/sv-benchmarks/c/termination-numeric/Parts.c [2024-11-28 04:19:49,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/data/762320ce0/25914f3e5c1246d7ab2408ec798f6d62/FLAGb84e3e2fd [2024-11-28 04:19:49,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/data/762320ce0/25914f3e5c1246d7ab2408ec798f6d62 [2024-11-28 04:19:49,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:19:49,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:19:49,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:19:49,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:19:49,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:19:49,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:19:49" (1/1) ... [2024-11-28 04:19:49,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a870a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:49, skipping insertion in model container [2024-11-28 04:19:49,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:19:49" (1/1) ... [2024-11-28 04:19:49,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:19:50,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:19:50,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:19:50,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:19:50,120 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:19:50,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50 WrapperNode [2024-11-28 04:19:50,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:19:50,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:19:50,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:19:50,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:19:50,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,160 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-28 04:19:50,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:19:50,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:19:50,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:19:50,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:19:50,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,177 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,192 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:19:50,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:19:50,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:19:50,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:19:50,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:19:50,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (1/1) ... [2024-11-28 04:19:50,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:19:50,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:50,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:19:50,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:19:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2024-11-28 04:19:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2024-11-28 04:19:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:19:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:19:50,382 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:19:50,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:19:50,639 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-28 04:19:50,639 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:19:50,655 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:19:50,655 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:19:50,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:19:50 BoogieIcfgContainer [2024-11-28 04:19:50,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:19:50,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:19:50,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:19:50,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:19:50,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:19:49" (1/3) ... [2024-11-28 04:19:50,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccb876d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:19:50, skipping insertion in model container [2024-11-28 04:19:50,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:19:50" (2/3) ... [2024-11-28 04:19:50,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccb876d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:19:50, skipping insertion in model container [2024-11-28 04:19:50,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:19:50" (3/3) ... [2024-11-28 04:19:50,670 INFO L128 eAbstractionObserver]: Analyzing ICFG Parts.c [2024-11-28 04:19:50,691 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:19:50,693 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Parts.c that has 2 procedures, 46 locations, 1 initial locations, 2 loop locations, and 10 error locations. [2024-11-28 04:19:50,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:19:50,806 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;@6899ba3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:19:50,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-28 04:19:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 40 states have internal predecessors, (49), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 04:19:50,821 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:50,822 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:50,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:50,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:50,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1514029060, now seen corresponding path program 1 times [2024-11-28 04:19:50,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:50,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391800376] [2024-11-28 04:19:50,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:50,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:19:51,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:51,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391800376] [2024-11-28 04:19:51,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391800376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:51,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:51,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:19:51,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122546298] [2024-11-28 04:19:51,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:51,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:19:51,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:51,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:19:51,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:19:51,066 INFO L87 Difference]: Start difference. First operand has 46 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 40 states have internal predecessors, (49), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-11-28 04:19:51,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:51,103 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions. [2024-11-28 04:19:51,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:19:51,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 [2024-11-28 04:19:51,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:51,116 INFO L225 Difference]: With dead ends: 88 [2024-11-28 04:19:51,116 INFO L226 Difference]: Without dead ends: 42 [2024-11-28 04:19:51,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:19:51,129 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:51,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:19:51,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-28 04:19:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-28 04:19:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 36 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2024-11-28 04:19:51,184 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 9 [2024-11-28 04:19:51,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:51,184 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2024-11-28 04:19:51,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2024-11-28 04:19:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2024-11-28 04:19:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 04:19:51,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:51,186 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:51,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:19:51,186 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:51,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:51,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1514037709, now seen corresponding path program 1 times [2024-11-28 04:19:51,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:51,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834948362] [2024-11-28 04:19:51,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:51,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:19:51,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:51,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834948362] [2024-11-28 04:19:51,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834948362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:51,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:51,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:19:51,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275209486] [2024-11-28 04:19:51,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:51,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:19:51,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:51,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:19:51,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:51,333 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2024-11-28 04:19:51,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:51,428 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2024-11-28 04:19:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:19:51,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 [2024-11-28 04:19:51,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:51,429 INFO L225 Difference]: With dead ends: 81 [2024-11-28 04:19:51,430 INFO L226 Difference]: Without dead ends: 43 [2024-11-28 04:19:51,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:19:51,432 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 15 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:51,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 115 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:19:51,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-28 04:19:51,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-28 04:19:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.5) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:51,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2024-11-28 04:19:51,442 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 9 [2024-11-28 04:19:51,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:51,442 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2024-11-28 04:19:51,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2024-11-28 04:19:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2024-11-28 04:19:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 04:19:51,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:51,443 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:51,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:19:51,443 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:51,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:51,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1131099994, now seen corresponding path program 1 times [2024-11-28 04:19:51,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:51,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513293544] [2024-11-28 04:19:51,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:51,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:19:51,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:51,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513293544] [2024-11-28 04:19:51,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513293544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:51,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:51,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:19:51,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612411673] [2024-11-28 04:19:51,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:51,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:19:51,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:51,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:19:51,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:19:51,547 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:19:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:51,619 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2024-11-28 04:19:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:19:51,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-28 04:19:51,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:51,625 INFO L225 Difference]: With dead ends: 45 [2024-11-28 04:19:51,625 INFO L226 Difference]: Without dead ends: 44 [2024-11-28 04:19:51,628 INFO L434 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 [2024-11-28 04:19:51,629 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 11 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:51,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 74 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:19:51,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-28 04:19:51,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-28 04:19:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 36 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2024-11-28 04:19:51,648 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 13 [2024-11-28 04:19:51,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:51,648 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2024-11-28 04:19:51,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:19:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2024-11-28 04:19:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:19:51,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:51,649 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:51,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:19:51,650 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:51,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash 704199692, now seen corresponding path program 1 times [2024-11-28 04:19:51,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:51,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164871964] [2024-11-28 04:19:51,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:51,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:19:51,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:51,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164871964] [2024-11-28 04:19:51,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164871964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:51,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:51,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:19:51,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704296295] [2024-11-28 04:19:51,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:51,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:19:51,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:51,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:19:51,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:51,804 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:51,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:51,850 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2024-11-28 04:19:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:19:51,854 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-28 04:19:51,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:51,855 INFO L225 Difference]: With dead ends: 42 [2024-11-28 04:19:51,855 INFO L226 Difference]: Without dead ends: 41 [2024-11-28 04:19:51,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:51,857 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:51,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 118 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:19:51,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-28 04:19:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-28 04:19:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 35 states have internal predecessors, (40), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-28 04:19:51,876 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 14 [2024-11-28 04:19:51,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:51,876 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-28 04:19:51,876 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-28 04:19:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:19:51,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:51,877 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:51,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:19:51,878 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:51,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:51,878 INFO L85 PathProgramCache]: Analyzing trace with hash 704361494, now seen corresponding path program 1 times [2024-11-28 04:19:51,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:51,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650535187] [2024-11-28 04:19:51,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:51,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:19:52,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:52,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650535187] [2024-11-28 04:19:52,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650535187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:52,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:52,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:19:52,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214255943] [2024-11-28 04:19:52,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:52,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:19:52,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:52,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:19:52,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:19:52,036 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:19:52,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:52,167 INFO L93 Difference]: Finished difference Result 87 states and 104 transitions. [2024-11-28 04:19:52,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:19:52,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-28 04:19:52,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:52,171 INFO L225 Difference]: With dead ends: 87 [2024-11-28 04:19:52,171 INFO L226 Difference]: Without dead ends: 50 [2024-11-28 04:19:52,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:19:52,172 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 8 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:52,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 151 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:19:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-28 04:19:52,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2024-11-28 04:19:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.40625) internal successors, (45), 40 states have internal predecessors, (45), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:19:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2024-11-28 04:19:52,188 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 14 [2024-11-28 04:19:52,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:52,192 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-11-28 04:19:52,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:19:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-11-28 04:19:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:19:52,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:52,193 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:52,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:19:52,193 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:52,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:52,194 INFO L85 PathProgramCache]: Analyzing trace with hash 355354071, now seen corresponding path program 1 times [2024-11-28 04:19:52,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:52,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220059518] [2024-11-28 04:19:52,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:52,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:19:52,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:52,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220059518] [2024-11-28 04:19:52,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220059518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:52,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:52,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:19:52,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760124858] [2024-11-28 04:19:52,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:52,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:19:52,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:52,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:19:52,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:52,317 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:52,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:52,358 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2024-11-28 04:19:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:19:52,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-28 04:19:52,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:52,359 INFO L225 Difference]: With dead ends: 51 [2024-11-28 04:19:52,359 INFO L226 Difference]: Without dead ends: 50 [2024-11-28 04:19:52,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:52,361 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:52,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:19:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-28 04:19:52,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-28 04:19:52,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 42 states have internal predecessors, (48), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:19:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2024-11-28 04:19:52,373 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 15 [2024-11-28 04:19:52,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:52,375 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2024-11-28 04:19:52,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2024-11-28 04:19:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-28 04:19:52,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:52,376 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:52,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:19:52,377 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:52,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:52,377 INFO L85 PathProgramCache]: Analyzing trace with hash -741163769, now seen corresponding path program 1 times [2024-11-28 04:19:52,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:52,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992271915] [2024-11-28 04:19:52,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:52,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:19:52,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:52,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992271915] [2024-11-28 04:19:52,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992271915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:52,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:52,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:19:52,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800544823] [2024-11-28 04:19:52,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:52,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:19:52,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:52,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:19:52,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:52,466 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:52,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:52,506 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2024-11-28 04:19:52,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:19:52,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-28 04:19:52,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:52,508 INFO L225 Difference]: With dead ends: 50 [2024-11-28 04:19:52,509 INFO L226 Difference]: Without dead ends: 49 [2024-11-28 04:19:52,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:52,512 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 2 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:52,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 112 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:19:52,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-28 04:19:52,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-28 04:19:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:19:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2024-11-28 04:19:52,527 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 18 [2024-11-28 04:19:52,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:52,528 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2024-11-28 04:19:52,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2024-11-28 04:19:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 04:19:52,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:52,529 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:52,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:19:52,530 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:52,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1501240252, now seen corresponding path program 1 times [2024-11-28 04:19:52,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:52,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085373217] [2024-11-28 04:19:52,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:52,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:19:52,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:52,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085373217] [2024-11-28 04:19:52,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085373217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:52,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:52,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:19:52,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659821904] [2024-11-28 04:19:52,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:52,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:19:52,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:52,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:19:52,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:52,623 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:52,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:52,664 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2024-11-28 04:19:52,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:19:52,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-28 04:19:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:52,665 INFO L225 Difference]: With dead ends: 66 [2024-11-28 04:19:52,666 INFO L226 Difference]: Without dead ends: 65 [2024-11-28 04:19:52,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:19:52,667 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:52,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 122 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:19:52,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-28 04:19:52,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2024-11-28 04:19:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 54 states have internal predecessors, (62), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:19:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2024-11-28 04:19:52,679 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 19 [2024-11-28 04:19:52,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:52,679 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2024-11-28 04:19:52,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2024-11-28 04:19:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 04:19:52,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:52,683 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:52,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:19:52,683 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:52,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:52,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1179600446, now seen corresponding path program 1 times [2024-11-28 04:19:52,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:52,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125205899] [2024-11-28 04:19:52,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:52,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:19:52,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:52,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125205899] [2024-11-28 04:19:52,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125205899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:52,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:52,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:19:52,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722754826] [2024-11-28 04:19:52,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:52,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:19:52,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:52,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:19:52,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:19:52,793 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:52,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:52,889 INFO L93 Difference]: Finished difference Result 129 states and 153 transitions. [2024-11-28 04:19:52,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:19:52,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-28 04:19:52,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:52,893 INFO L225 Difference]: With dead ends: 129 [2024-11-28 04:19:52,893 INFO L226 Difference]: Without dead ends: 73 [2024-11-28 04:19:52,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:19:52,898 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 5 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:52,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 153 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:19:52,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-28 04:19:52,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2024-11-28 04:19:52,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 60 states have internal predecessors, (68), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:19:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2024-11-28 04:19:52,910 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 23 [2024-11-28 04:19:52,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:52,910 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2024-11-28 04:19:52,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:19:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2024-11-28 04:19:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-28 04:19:52,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:52,914 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:52,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:19:52,914 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:52,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:52,914 INFO L85 PathProgramCache]: Analyzing trace with hash 2082076075, now seen corresponding path program 1 times [2024-11-28 04:19:52,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:52,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964679762] [2024-11-28 04:19:52,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:19:53,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:53,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964679762] [2024-11-28 04:19:53,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964679762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:53,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195078558] [2024-11-28 04:19:53,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:53,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:53,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:53,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:53,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:19:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:53,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:19:53,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:19:53,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:19:53,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195078558] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:19:53,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:19:53,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 04:19:53,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131259466] [2024-11-28 04:19:53,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:19:53,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:19:53,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:53,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:19:53,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:19:53,303 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 10 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:53,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:53,443 INFO L93 Difference]: Finished difference Result 103 states and 130 transitions. [2024-11-28 04:19:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:19:53,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 10 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 24 [2024-11-28 04:19:53,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:53,445 INFO L225 Difference]: With dead ends: 103 [2024-11-28 04:19:53,445 INFO L226 Difference]: Without dead ends: 102 [2024-11-28 04:19:53,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:19:53,446 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:53,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:19:53,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-28 04:19:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-28 04:19:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 84 states have internal predecessors, (98), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:19:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2024-11-28 04:19:53,486 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 24 [2024-11-28 04:19:53,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:53,487 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2024-11-28 04:19:53,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 10 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2024-11-28 04:19:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:19:53,488 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:53,488 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:53,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:19:53,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:19:53,693 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:53,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:53,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1775549881, now seen corresponding path program 1 times [2024-11-28 04:19:53,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:53,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126735552] [2024-11-28 04:19:53,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:53,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:53,955 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 04:19:53,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:53,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126735552] [2024-11-28 04:19:53,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126735552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:53,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141081769] [2024-11-28 04:19:53,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:53,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:53,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:53,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:53,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:19:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:54,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:19:54,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:19:54,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 04:19:54,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141081769] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:19:54,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:19:54,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-28 04:19:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525451926] [2024-11-28 04:19:54,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:19:54,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:19:54,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:54,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:19:54,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:19:54,361 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:19:54,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:54,537 INFO L93 Difference]: Finished difference Result 167 states and 202 transitions. [2024-11-28 04:19:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:19:54,538 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2024-11-28 04:19:54,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:54,540 INFO L225 Difference]: With dead ends: 167 [2024-11-28 04:19:54,541 INFO L226 Difference]: Without dead ends: 103 [2024-11-28 04:19:54,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 7 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:19:54,542 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 9 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:54,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 378 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:19:54,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-28 04:19:54,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102. [2024-11-28 04:19:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 84 states have internal predecessors, (97), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 04:19:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 123 transitions. [2024-11-28 04:19:54,557 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 123 transitions. Word has length 34 [2024-11-28 04:19:54,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:54,558 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 123 transitions. [2024-11-28 04:19:54,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:19:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 123 transitions. [2024-11-28 04:19:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 04:19:54,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:54,559 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:54,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:19:54,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:19:54,763 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:54,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:54,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1393509901, now seen corresponding path program 2 times [2024-11-28 04:19:54,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:54,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225124203] [2024-11-28 04:19:54,764 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:19:54,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:54,793 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:19:54,793 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:19:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-28 04:19:54,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:54,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225124203] [2024-11-28 04:19:54,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225124203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:54,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:54,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:19:54,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047870247] [2024-11-28 04:19:54,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:54,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:19:54,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:54,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:19:54,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:19:54,965 INFO L87 Difference]: Start difference. First operand 102 states and 123 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:19:55,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:55,130 INFO L93 Difference]: Finished difference Result 203 states and 264 transitions. [2024-11-28 04:19:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:19:55,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-28 04:19:55,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:55,133 INFO L225 Difference]: With dead ends: 203 [2024-11-28 04:19:55,133 INFO L226 Difference]: Without dead ends: 143 [2024-11-28 04:19:55,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:19:55,135 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 36 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:55,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 125 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:19:55,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-28 04:19:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 137. [2024-11-28 04:19:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 106 states have (on average 1.2452830188679245) internal successors, (132), 111 states have internal predecessors, (132), 17 states have call successors, (17), 5 states have call predecessors, (17), 7 states have return successors, (32), 20 states have call predecessors, (32), 17 states have call successors, (32) [2024-11-28 04:19:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 181 transitions. [2024-11-28 04:19:55,159 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 181 transitions. Word has length 43 [2024-11-28 04:19:55,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:55,160 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 181 transitions. [2024-11-28 04:19:55,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:19:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2024-11-28 04:19:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 04:19:55,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:55,162 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:55,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:19:55,162 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:55,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:55,163 INFO L85 PathProgramCache]: Analyzing trace with hash -759080469, now seen corresponding path program 1 times [2024-11-28 04:19:55,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:55,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573288218] [2024-11-28 04:19:55,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:55,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:19:55,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:55,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573288218] [2024-11-28 04:19:55,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573288218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:55,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560921070] [2024-11-28 04:19:55,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:55,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:55,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:55,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:55,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:19:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:55,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:19:55,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:19:55,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:19:55,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560921070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:19:55,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:19:55,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2024-11-28 04:19:55,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652829862] [2024-11-28 04:19:55,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:19:55,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:19:55,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:55,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:19:55,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:19:55,757 INFO L87 Difference]: Start difference. First operand 137 states and 181 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:56,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:56,045 INFO L93 Difference]: Finished difference Result 235 states and 316 transitions. [2024-11-28 04:19:56,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:19:56,045 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2024-11-28 04:19:56,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:56,047 INFO L225 Difference]: With dead ends: 235 [2024-11-28 04:19:56,047 INFO L226 Difference]: Without dead ends: 137 [2024-11-28 04:19:56,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 79 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:19:56,049 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 4 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:56,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 326 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:19:56,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-28 04:19:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-28 04:19:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 111 states have internal predecessors, (130), 17 states have call successors, (17), 5 states have call predecessors, (17), 7 states have return successors, (32), 20 states have call predecessors, (32), 17 states have call successors, (32) [2024-11-28 04:19:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2024-11-28 04:19:56,071 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 179 transitions. Word has length 44 [2024-11-28 04:19:56,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:56,072 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 179 transitions. [2024-11-28 04:19:56,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2024-11-28 04:19:56,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 04:19:56,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:56,074 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:56,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:19:56,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:56,278 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:56,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:56,279 INFO L85 PathProgramCache]: Analyzing trace with hash -505674775, now seen corresponding path program 1 times [2024-11-28 04:19:56,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:56,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106234670] [2024-11-28 04:19:56,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:56,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 04:19:56,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:56,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106234670] [2024-11-28 04:19:56,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106234670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:56,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272676069] [2024-11-28 04:19:56,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:56,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:56,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:56,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:56,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:19:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:56,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:19:56,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 04:19:56,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 04:19:56,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272676069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:19:56,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:19:56,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-28 04:19:56,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742994748] [2024-11-28 04:19:56,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:19:56,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:19:56,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:56,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:19:56,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:19:56,870 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:57,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:57,314 INFO L93 Difference]: Finished difference Result 241 states and 342 transitions. [2024-11-28 04:19:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:19:57,315 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2024-11-28 04:19:57,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:57,320 INFO L225 Difference]: With dead ends: 241 [2024-11-28 04:19:57,323 INFO L226 Difference]: Without dead ends: 239 [2024-11-28 04:19:57,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:19:57,324 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 99 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:57,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 194 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:19:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-28 04:19:57,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 224. [2024-11-28 04:19:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 177 states have (on average 1.2259887005649717) internal successors, (217), 180 states have internal predecessors, (217), 29 states have call successors, (29), 8 states have call predecessors, (29), 12 states have return successors, (59), 35 states have call predecessors, (59), 29 states have call successors, (59) [2024-11-28 04:19:57,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 305 transitions. [2024-11-28 04:19:57,379 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 305 transitions. Word has length 48 [2024-11-28 04:19:57,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:57,380 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 305 transitions. [2024-11-28 04:19:57,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:19:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 305 transitions. [2024-11-28 04:19:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:19:57,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:57,386 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:57,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:19:57,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 04:19:57,586 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:57,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:57,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1977302313, now seen corresponding path program 2 times [2024-11-28 04:19:57,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:57,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111283177] [2024-11-28 04:19:57,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:19:57,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:57,607 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:19:57,607 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:19:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:19:57,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:57,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111283177] [2024-11-28 04:19:57,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111283177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:57,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561652058] [2024-11-28 04:19:57,807 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:19:57,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:57,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:57,810 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:57,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:19:57,873 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:19:57,874 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:19:57,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:19:57,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:19:57,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:19:58,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561652058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:19:58,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:19:58,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-28 04:19:58,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265055636] [2024-11-28 04:19:58,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:19:58,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 04:19:58,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:58,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 04:19:58,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:19:58,227 INFO L87 Difference]: Start difference. First operand 224 states and 305 transitions. Second operand has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:19:58,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:58,426 INFO L93 Difference]: Finished difference Result 375 states and 569 transitions. [2024-11-28 04:19:58,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:19:58,427 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 51 [2024-11-28 04:19:58,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:58,433 INFO L225 Difference]: With dead ends: 375 [2024-11-28 04:19:58,433 INFO L226 Difference]: Without dead ends: 374 [2024-11-28 04:19:58,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:19:58,435 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:58,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:19:58,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-28 04:19:58,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2024-11-28 04:19:58,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 297 states have (on average 1.2356902356902357) internal successors, (367), 300 states have internal predecessors, (367), 59 states have call successors, (59), 8 states have call predecessors, (59), 12 states have return successors, (113), 65 states have call predecessors, (113), 59 states have call successors, (113) [2024-11-28 04:19:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 539 transitions. [2024-11-28 04:19:58,507 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 539 transitions. Word has length 51 [2024-11-28 04:19:58,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:58,507 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 539 transitions. [2024-11-28 04:19:58,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:19:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 539 transitions. [2024-11-28 04:19:58,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 04:19:58,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:58,510 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:58,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:19:58,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 04:19:58,714 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:58,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:58,715 INFO L85 PathProgramCache]: Analyzing trace with hash 27156301, now seen corresponding path program 2 times [2024-11-28 04:19:58,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:58,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940532267] [2024-11-28 04:19:58,715 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:19:58,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:58,740 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:19:58,740 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:19:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 04:19:58,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:58,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940532267] [2024-11-28 04:19:58,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940532267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:58,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:58,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:19:58,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729638102] [2024-11-28 04:19:58,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:58,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:19:58,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:58,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:19:58,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:19:58,857 INFO L87 Difference]: Start difference. First operand 374 states and 539 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:19:59,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:59,144 INFO L93 Difference]: Finished difference Result 698 states and 1148 transitions. [2024-11-28 04:19:59,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:19:59,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 54 [2024-11-28 04:19:59,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:59,149 INFO L225 Difference]: With dead ends: 698 [2024-11-28 04:19:59,150 INFO L226 Difference]: Without dead ends: 417 [2024-11-28 04:19:59,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:19:59,152 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 23 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:59,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 156 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:19:59,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-28 04:19:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 402. [2024-11-28 04:19:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 319 states have (on average 1.2539184952978057) internal successors, (400), 322 states have internal predecessors, (400), 61 states have call successors, (61), 8 states have call predecessors, (61), 16 states have return successors, (135), 71 states have call predecessors, (135), 61 states have call successors, (135) [2024-11-28 04:19:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 596 transitions. [2024-11-28 04:19:59,214 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 596 transitions. Word has length 54 [2024-11-28 04:19:59,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:59,215 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 596 transitions. [2024-11-28 04:19:59,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:19:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 596 transitions. [2024-11-28 04:19:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 04:19:59,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:59,217 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:59,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:19:59,217 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:19:59,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:59,218 INFO L85 PathProgramCache]: Analyzing trace with hash -298292564, now seen corresponding path program 1 times [2024-11-28 04:19:59,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:59,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199797651] [2024-11-28 04:19:59,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:19:59,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:59,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199797651] [2024-11-28 04:19:59,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199797651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:59,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4165727] [2024-11-28 04:19:59,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:59,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:59,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:59,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:59,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:19:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:59,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:19:59,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:19:59,484 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:19:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:19:59,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4165727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:19:59,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:19:59,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2024-11-28 04:19:59,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641028195] [2024-11-28 04:19:59,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:19:59,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:19:59,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:59,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:19:59,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:19:59,636 INFO L87 Difference]: Start difference. First operand 402 states and 596 transitions. Second operand has 17 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 9 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:20:00,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:00,603 INFO L93 Difference]: Finished difference Result 668 states and 1096 transitions. [2024-11-28 04:20:00,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 04:20:00,604 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 9 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 56 [2024-11-28 04:20:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:00,610 INFO L225 Difference]: With dead ends: 668 [2024-11-28 04:20:00,612 INFO L226 Difference]: Without dead ends: 661 [2024-11-28 04:20:00,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=219, Invalid=1263, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 04:20:00,616 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 191 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:00,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 217 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:20:00,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-28 04:20:00,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 558. [2024-11-28 04:20:00,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 442 states have (on average 1.2737556561085972) internal successors, (563), 440 states have internal predecessors, (563), 79 states have call successors, (79), 16 states have call predecessors, (79), 31 states have return successors, (192), 101 states have call predecessors, (192), 79 states have call successors, (192) [2024-11-28 04:20:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 834 transitions. [2024-11-28 04:20:00,740 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 834 transitions. Word has length 56 [2024-11-28 04:20:00,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:00,740 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 834 transitions. [2024-11-28 04:20:00,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 9 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:20:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 834 transitions. [2024-11-28 04:20:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 04:20:00,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:00,742 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:00,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:00,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 04:20:00,942 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:00,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:00,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1150726511, now seen corresponding path program 1 times [2024-11-28 04:20:00,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:00,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348560119] [2024-11-28 04:20:00,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:00,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-28 04:20:01,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:01,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348560119] [2024-11-28 04:20:01,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348560119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:01,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755442686] [2024-11-28 04:20:01,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:01,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:01,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:01,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:01,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:20:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:01,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:20:01,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 04:20:01,375 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 04:20:01,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755442686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:01,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:01,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 15 [2024-11-28 04:20:01,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362078691] [2024-11-28 04:20:01,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:01,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:20:01,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:01,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:20:01,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:20:01,539 INFO L87 Difference]: Start difference. First operand 558 states and 834 transitions. Second operand has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-28 04:20:02,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:02,347 INFO L93 Difference]: Finished difference Result 1452 states and 2564 transitions. [2024-11-28 04:20:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 04:20:02,348 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) Word has length 62 [2024-11-28 04:20:02,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:02,357 INFO L225 Difference]: With dead ends: 1452 [2024-11-28 04:20:02,357 INFO L226 Difference]: Without dead ends: 993 [2024-11-28 04:20:02,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 115 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=629, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:20:02,363 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 62 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:02,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 246 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:20:02,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2024-11-28 04:20:02,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 691. [2024-11-28 04:20:02,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 548 states have (on average 1.2718978102189782) internal successors, (697), 550 states have internal predecessors, (697), 96 states have call successors, (96), 16 states have call predecessors, (96), 41 states have return successors, (335), 124 states have call predecessors, (335), 96 states have call successors, (335) [2024-11-28 04:20:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1128 transitions. [2024-11-28 04:20:02,516 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1128 transitions. Word has length 62 [2024-11-28 04:20:02,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:02,516 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 1128 transitions. [2024-11-28 04:20:02,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-28 04:20:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1128 transitions. [2024-11-28 04:20:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 04:20:02,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:02,519 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:02,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:20:02,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 04:20:02,721 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:02,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:02,721 INFO L85 PathProgramCache]: Analyzing trace with hash -154405525, now seen corresponding path program 1 times [2024-11-28 04:20:02,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:02,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146477568] [2024-11-28 04:20:02,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:02,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:02,827 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 04:20:02,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:02,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146477568] [2024-11-28 04:20:02,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146477568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:02,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:02,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:20:02,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745094851] [2024-11-28 04:20:02,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:02,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:20:02,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:02,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:20:02,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:20:02,830 INFO L87 Difference]: Start difference. First operand 691 states and 1128 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:20:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:02,956 INFO L93 Difference]: Finished difference Result 1208 states and 2193 transitions. [2024-11-28 04:20:02,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:20:02,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 63 [2024-11-28 04:20:02,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:02,962 INFO L225 Difference]: With dead ends: 1208 [2024-11-28 04:20:02,962 INFO L226 Difference]: Without dead ends: 631 [2024-11-28 04:20:02,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:20:02,970 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 30 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:02,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 101 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:20:02,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-28 04:20:03,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 631. [2024-11-28 04:20:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 498 states have (on average 1.248995983935743) internal successors, (622), 506 states have internal predecessors, (622), 96 states have call successors, (96), 16 states have call predecessors, (96), 31 states have return successors, (216), 108 states have call predecessors, (216), 96 states have call successors, (216) [2024-11-28 04:20:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 934 transitions. [2024-11-28 04:20:03,052 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 934 transitions. Word has length 63 [2024-11-28 04:20:03,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:03,052 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 934 transitions. [2024-11-28 04:20:03,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:20:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 934 transitions. [2024-11-28 04:20:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 04:20:03,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:03,054 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:03,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:20:03,055 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:03,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:03,055 INFO L85 PathProgramCache]: Analyzing trace with hash -729989761, now seen corresponding path program 2 times [2024-11-28 04:20:03,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:03,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312623617] [2024-11-28 04:20:03,056 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:03,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:03,067 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:03,068 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-28 04:20:03,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:03,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312623617] [2024-11-28 04:20:03,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312623617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:03,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88387744] [2024-11-28 04:20:03,128 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:03,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:03,133 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:03,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:20:03,205 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:03,206 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:03,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:20:03,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-28 04:20:03,267 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:20:03,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88387744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:03,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:20:03,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-28 04:20:03,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018187544] [2024-11-28 04:20:03,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:03,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:20:03,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:03,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:20:03,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:20:03,269 INFO L87 Difference]: Start difference. First operand 631 states and 934 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:20:03,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:03,382 INFO L93 Difference]: Finished difference Result 713 states and 1079 transitions. [2024-11-28 04:20:03,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:20:03,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 73 [2024-11-28 04:20:03,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:03,389 INFO L225 Difference]: With dead ends: 713 [2024-11-28 04:20:03,389 INFO L226 Difference]: Without dead ends: 712 [2024-11-28 04:20:03,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:20:03,392 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:03,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 146 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:20:03,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-28 04:20:03,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 679. [2024-11-28 04:20:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 541 states have (on average 1.2292051756007394) internal successors, (665), 535 states have internal predecessors, (665), 96 states have call successors, (96), 16 states have call predecessors, (96), 36 states have return successors, (246), 127 states have call predecessors, (246), 96 states have call successors, (246) [2024-11-28 04:20:03,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1007 transitions. [2024-11-28 04:20:03,497 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1007 transitions. Word has length 73 [2024-11-28 04:20:03,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:03,498 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 1007 transitions. [2024-11-28 04:20:03,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:20:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1007 transitions. [2024-11-28 04:20:03,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 04:20:03,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:03,505 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:03,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:03,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-28 04:20:03,706 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:03,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:03,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2087968713, now seen corresponding path program 1 times [2024-11-28 04:20:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:03,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480010880] [2024-11-28 04:20:03,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:03,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 04:20:03,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:03,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480010880] [2024-11-28 04:20:03,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480010880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:03,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:03,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:20:03,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806227812] [2024-11-28 04:20:03,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:03,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:20:03,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:03,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:20:03,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:20:03,811 INFO L87 Difference]: Start difference. First operand 679 states and 1007 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:20:03,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:03,942 INFO L93 Difference]: Finished difference Result 847 states and 1376 transitions. [2024-11-28 04:20:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:20:03,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2024-11-28 04:20:03,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:03,951 INFO L225 Difference]: With dead ends: 847 [2024-11-28 04:20:03,951 INFO L226 Difference]: Without dead ends: 843 [2024-11-28 04:20:03,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:20:03,955 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 6 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:03,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 199 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:20:03,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-28 04:20:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 774. [2024-11-28 04:20:04,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 617 states have (on average 1.2123176661264181) internal successors, (748), 607 states have internal predecessors, (748), 108 states have call successors, (108), 16 states have call predecessors, (108), 43 states have return successors, (361), 150 states have call predecessors, (361), 108 states have call successors, (361) [2024-11-28 04:20:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1217 transitions. [2024-11-28 04:20:04,073 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1217 transitions. Word has length 65 [2024-11-28 04:20:04,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:04,074 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 1217 transitions. [2024-11-28 04:20:04,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:20:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1217 transitions. [2024-11-28 04:20:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 04:20:04,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:04,081 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:04,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:20:04,084 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:04,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:04,084 INFO L85 PathProgramCache]: Analyzing trace with hash 16990237, now seen corresponding path program 1 times [2024-11-28 04:20:04,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:04,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958425831] [2024-11-28 04:20:04,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:04,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 50 proven. 13 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-28 04:20:04,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:04,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958425831] [2024-11-28 04:20:04,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958425831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:04,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614607366] [2024-11-28 04:20:04,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:04,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:04,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:04,257 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:04,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:20:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:04,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:20:04,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 50 proven. 13 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-28 04:20:04,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 50 proven. 13 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-28 04:20:04,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614607366] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:04,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:04,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 10 [2024-11-28 04:20:04,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777132276] [2024-11-28 04:20:04,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:04,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:20:04,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:04,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:20:04,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:20:04,563 INFO L87 Difference]: Start difference. First operand 774 states and 1217 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:20:04,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:04,981 INFO L93 Difference]: Finished difference Result 1575 states and 2604 transitions. [2024-11-28 04:20:04,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:20:04,982 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 81 [2024-11-28 04:20:04,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:04,993 INFO L225 Difference]: With dead ends: 1575 [2024-11-28 04:20:04,993 INFO L226 Difference]: Without dead ends: 910 [2024-11-28 04:20:05,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 158 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:20:05,004 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 68 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:05,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 187 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:20:05,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-11-28 04:20:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 830. [2024-11-28 04:20:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 656 states have (on average 1.2057926829268293) internal successors, (791), 655 states have internal predecessors, (791), 118 states have call successors, (118), 19 states have call predecessors, (118), 50 states have return successors, (336), 155 states have call predecessors, (336), 116 states have call successors, (336) [2024-11-28 04:20:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1245 transitions. [2024-11-28 04:20:05,115 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1245 transitions. Word has length 81 [2024-11-28 04:20:05,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:05,115 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1245 transitions. [2024-11-28 04:20:05,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:20:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1245 transitions. [2024-11-28 04:20:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 04:20:05,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:05,121 INFO L218 NwaCegarLoop]: trace histogram [9, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:05,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 04:20:05,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 04:20:05,321 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:05,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:05,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1868220593, now seen corresponding path program 2 times [2024-11-28 04:20:05,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:05,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344071748] [2024-11-28 04:20:05,322 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:05,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:05,377 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:05,377 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-28 04:20:05,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:05,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344071748] [2024-11-28 04:20:05,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344071748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:05,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566040442] [2024-11-28 04:20:05,440 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:05,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:05,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:05,443 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:05,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:20:05,522 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:05,522 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:05,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:20:05,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-11-28 04:20:05,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 45 proven. 31 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-28 04:20:05,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566040442] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:05,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:05,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 12 [2024-11-28 04:20:05,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955022838] [2024-11-28 04:20:05,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:05,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:20:05,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:05,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:20:05,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:20:05,743 INFO L87 Difference]: Start difference. First operand 830 states and 1245 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 04:20:06,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:06,216 INFO L93 Difference]: Finished difference Result 1136 states and 1747 transitions. [2024-11-28 04:20:06,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:20:06,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 82 [2024-11-28 04:20:06,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:06,224 INFO L225 Difference]: With dead ends: 1136 [2024-11-28 04:20:06,225 INFO L226 Difference]: Without dead ends: 833 [2024-11-28 04:20:06,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 152 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:20:06,229 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 84 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:06,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 249 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:20:06,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-11-28 04:20:06,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 748. [2024-11-28 04:20:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 594 states have (on average 1.2003367003367003) internal successors, (713), 592 states have internal predecessors, (713), 107 states have call successors, (107), 17 states have call predecessors, (107), 41 states have return successors, (325), 138 states have call predecessors, (325), 107 states have call successors, (325) [2024-11-28 04:20:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1145 transitions. [2024-11-28 04:20:06,356 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1145 transitions. Word has length 82 [2024-11-28 04:20:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:06,356 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1145 transitions. [2024-11-28 04:20:06,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 04:20:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1145 transitions. [2024-11-28 04:20:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 04:20:06,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:06,359 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:06,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 04:20:06,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 04:20:06,560 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:06,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:06,560 INFO L85 PathProgramCache]: Analyzing trace with hash -609055308, now seen corresponding path program 1 times [2024-11-28 04:20:06,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:06,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191558946] [2024-11-28 04:20:06,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:06,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:20:06,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:06,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191558946] [2024-11-28 04:20:06,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191558946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:06,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927781572] [2024-11-28 04:20:06,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:06,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:06,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:06,671 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:06,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 04:20:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:06,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:20:06,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 23 proven. 43 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-28 04:20:06,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-28 04:20:07,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927781572] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:07,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:07,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 22 [2024-11-28 04:20:07,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231713825] [2024-11-28 04:20:07,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:07,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 04:20:07,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:07,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 04:20:07,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:20:07,256 INFO L87 Difference]: Start difference. First operand 748 states and 1145 transitions. Second operand has 22 states, 22 states have (on average 3.727272727272727) internal successors, (82), 22 states have internal predecessors, (82), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-28 04:20:08,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:08,408 INFO L93 Difference]: Finished difference Result 993 states and 1518 transitions. [2024-11-28 04:20:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-28 04:20:08,409 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.727272727272727) internal successors, (82), 22 states have internal predecessors, (82), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 83 [2024-11-28 04:20:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:08,415 INFO L225 Difference]: With dead ends: 993 [2024-11-28 04:20:08,416 INFO L226 Difference]: Without dead ends: 804 [2024-11-28 04:20:08,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 144 SyntacticMatches, 6 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=468, Invalid=3192, Unknown=0, NotChecked=0, Total=3660 [2024-11-28 04:20:08,420 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 12 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:08,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 561 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:20:08,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-11-28 04:20:08,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 786. [2024-11-28 04:20:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 629 states have (on average 1.1875993640699523) internal successors, (747), 622 states have internal predecessors, (747), 110 states have call successors, (110), 17 states have call predecessors, (110), 41 states have return successors, (330), 146 states have call predecessors, (330), 110 states have call successors, (330) [2024-11-28 04:20:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1187 transitions. [2024-11-28 04:20:08,533 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1187 transitions. Word has length 83 [2024-11-28 04:20:08,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:08,534 INFO L471 AbstractCegarLoop]: Abstraction has 786 states and 1187 transitions. [2024-11-28 04:20:08,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.727272727272727) internal successors, (82), 22 states have internal predecessors, (82), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-28 04:20:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1187 transitions. [2024-11-28 04:20:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 04:20:08,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:08,537 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:08,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 04:20:08,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:08,741 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:08,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1609279239, now seen corresponding path program 1 times [2024-11-28 04:20:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:08,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589559805] [2024-11-28 04:20:08,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:08,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-28 04:20:08,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:08,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589559805] [2024-11-28 04:20:08,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589559805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:08,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:08,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:20:08,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478615072] [2024-11-28 04:20:08,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:08,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:20:08,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:08,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:20:08,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:20:08,789 INFO L87 Difference]: Start difference. First operand 786 states and 1187 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:20:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:08,868 INFO L93 Difference]: Finished difference Result 800 states and 1254 transitions. [2024-11-28 04:20:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:20:08,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 79 [2024-11-28 04:20:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:08,875 INFO L225 Difference]: With dead ends: 800 [2024-11-28 04:20:08,875 INFO L226 Difference]: Without dead ends: 790 [2024-11-28 04:20:08,877 INFO L434 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 [2024-11-28 04:20:08,877 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 8 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:08,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 70 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:20:08,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-28 04:20:08,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 776. [2024-11-28 04:20:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 622 states have (on average 1.1704180064308682) internal successors, (728), 614 states have internal predecessors, (728), 109 states have call successors, (109), 17 states have call predecessors, (109), 40 states have return successors, (327), 144 states have call predecessors, (327), 109 states have call successors, (327) [2024-11-28 04:20:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1164 transitions. [2024-11-28 04:20:08,987 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1164 transitions. Word has length 79 [2024-11-28 04:20:08,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:08,987 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1164 transitions. [2024-11-28 04:20:08,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:20:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1164 transitions. [2024-11-28 04:20:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:20:08,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:08,991 INFO L218 NwaCegarLoop]: trace histogram [10, 9, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:08,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:20:08,991 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:08,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:08,992 INFO L85 PathProgramCache]: Analyzing trace with hash 354475502, now seen corresponding path program 1 times [2024-11-28 04:20:08,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:08,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801909141] [2024-11-28 04:20:08,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:08,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 39 proven. 41 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-28 04:20:09,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:09,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801909141] [2024-11-28 04:20:09,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801909141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:09,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749931358] [2024-11-28 04:20:09,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:09,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:09,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:09,298 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:09,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 04:20:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:09,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:20:09,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 118 proven. 32 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-28 04:20:09,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 39 proven. 41 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-28 04:20:09,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749931358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:09,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:09,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2024-11-28 04:20:09,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761475045] [2024-11-28 04:20:09,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:09,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:20:09,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:09,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:20:09,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:20:09,757 INFO L87 Difference]: Start difference. First operand 776 states and 1164 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 8 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-28 04:20:10,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:10,024 INFO L93 Difference]: Finished difference Result 1106 states and 1706 transitions. [2024-11-28 04:20:10,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:20:10,025 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 8 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 103 [2024-11-28 04:20:10,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:10,031 INFO L225 Difference]: With dead ends: 1106 [2024-11-28 04:20:10,031 INFO L226 Difference]: Without dead ends: 681 [2024-11-28 04:20:10,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 190 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:20:10,036 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 1 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:10,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 383 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:20:10,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-28 04:20:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 615. [2024-11-28 04:20:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 486 states have (on average 1.1748971193415638) internal successors, (571), 487 states have internal predecessors, (571), 90 states have call successors, (90), 17 states have call predecessors, (90), 34 states have return successors, (208), 110 states have call predecessors, (208), 90 states have call successors, (208) [2024-11-28 04:20:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 869 transitions. [2024-11-28 04:20:10,112 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 869 transitions. Word has length 103 [2024-11-28 04:20:10,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:10,112 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 869 transitions. [2024-11-28 04:20:10,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 8 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-28 04:20:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 869 transitions. [2024-11-28 04:20:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 04:20:10,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:10,116 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:10,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 04:20:10,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 04:20:10,321 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:10,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:10,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1375522391, now seen corresponding path program 3 times [2024-11-28 04:20:10,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:10,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797724397] [2024-11-28 04:20:10,322 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:20:10,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:10,369 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 04:20:10,370 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:20:10,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:10,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797724397] [2024-11-28 04:20:10,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797724397] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:10,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901492087] [2024-11-28 04:20:10,945 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:20:10,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:10,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:10,948 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:10,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 04:20:11,047 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 04:20:11,047 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:11,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 04:20:11,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:20:11,202 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:20:11,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901492087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:11,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:11,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2024-11-28 04:20:11,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665579261] [2024-11-28 04:20:11,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:11,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-28 04:20:11,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:11,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-28 04:20:11,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 04:20:11,935 INFO L87 Difference]: Start difference. First operand 615 states and 869 transitions. Second operand has 48 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 48 states have internal predecessors, (103), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:20:12,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:12,311 INFO L93 Difference]: Finished difference Result 916 states and 1385 transitions. [2024-11-28 04:20:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-28 04:20:12,311 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 48 states have internal predecessors, (103), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Word has length 105 [2024-11-28 04:20:12,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:12,319 INFO L225 Difference]: With dead ends: 916 [2024-11-28 04:20:12,320 INFO L226 Difference]: Without dead ends: 915 [2024-11-28 04:20:12,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 04:20:12,322 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:12,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:20:12,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2024-11-28 04:20:12,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 915. [2024-11-28 04:20:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 726 states have (on average 1.199724517906336) internal successors, (871), 727 states have internal predecessors, (871), 150 states have call successors, (150), 17 states have call predecessors, (150), 34 states have return successors, (304), 170 states have call predecessors, (304), 150 states have call successors, (304) [2024-11-28 04:20:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1325 transitions. [2024-11-28 04:20:12,423 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1325 transitions. Word has length 105 [2024-11-28 04:20:12,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:12,424 INFO L471 AbstractCegarLoop]: Abstraction has 915 states and 1325 transitions. [2024-11-28 04:20:12,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 48 states have internal predecessors, (103), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:20:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1325 transitions. [2024-11-28 04:20:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 04:20:12,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:12,427 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:12,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 04:20:12,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 04:20:12,631 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:12,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:12,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1658408510, now seen corresponding path program 2 times [2024-11-28 04:20:12,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:12,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73720381] [2024-11-28 04:20:12,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:12,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:12,650 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:12,650 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-28 04:20:12,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:12,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73720381] [2024-11-28 04:20:12,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73720381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:12,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237119931] [2024-11-28 04:20:12,795 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:12,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:12,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:12,799 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:12,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 04:20:12,906 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:12,907 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:12,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:20:12,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 137 proven. 41 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-28 04:20:13,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 37 proven. 50 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-28 04:20:13,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237119931] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:13,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:13,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 12, 12] total 22 [2024-11-28 04:20:13,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819648129] [2024-11-28 04:20:13,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:13,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 04:20:13,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:13,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 04:20:13,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:20:13,373 INFO L87 Difference]: Start difference. First operand 915 states and 1325 transitions. Second operand has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 20 states have internal predecessors, (94), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-28 04:20:14,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:14,256 INFO L93 Difference]: Finished difference Result 1606 states and 2463 transitions. [2024-11-28 04:20:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 04:20:14,257 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 20 states have internal predecessors, (94), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) Word has length 112 [2024-11-28 04:20:14,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:14,296 INFO L225 Difference]: With dead ends: 1606 [2024-11-28 04:20:14,296 INFO L226 Difference]: Without dead ends: 888 [2024-11-28 04:20:14,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 205 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=1156, Unknown=0, NotChecked=0, Total=1332 [2024-11-28 04:20:14,307 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 61 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:14,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 371 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:20:14,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-11-28 04:20:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 875. [2024-11-28 04:20:14,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 694 states have (on average 1.1959654178674353) internal successors, (830), 698 states have internal predecessors, (830), 143 states have call successors, (143), 20 states have call predecessors, (143), 33 states have return successors, (260), 156 states have call predecessors, (260), 143 states have call successors, (260) [2024-11-28 04:20:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1233 transitions. [2024-11-28 04:20:14,405 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1233 transitions. Word has length 112 [2024-11-28 04:20:14,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:14,405 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1233 transitions. [2024-11-28 04:20:14,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 20 states have internal predecessors, (94), 10 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-28 04:20:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1233 transitions. [2024-11-28 04:20:14,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 04:20:14,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:14,410 INFO L218 NwaCegarLoop]: trace histogram [16, 13, 9, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:14,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 04:20:14,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 04:20:14,611 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:14,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:14,612 INFO L85 PathProgramCache]: Analyzing trace with hash -616425173, now seen corresponding path program 3 times [2024-11-28 04:20:14,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:14,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98234158] [2024-11-28 04:20:14,613 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:20:14,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:14,680 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 04:20:14,680 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:14,906 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 106 proven. 7 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-11-28 04:20:14,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:14,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98234158] [2024-11-28 04:20:14,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98234158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:14,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862020015] [2024-11-28 04:20:14,907 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:20:14,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:14,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:14,909 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:14,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 04:20:15,014 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 04:20:15,014 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:15,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:20:15,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 106 proven. 7 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-11-28 04:20:15,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 116 proven. 7 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-28 04:20:15,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862020015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:15,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:15,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 9] total 12 [2024-11-28 04:20:15,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000772538] [2024-11-28 04:20:15,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:15,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:20:15,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:15,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:20:15,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:20:15,656 INFO L87 Difference]: Start difference. First operand 875 states and 1233 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 9 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 04:20:15,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:15,897 INFO L93 Difference]: Finished difference Result 1037 states and 1580 transitions. [2024-11-28 04:20:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:20:15,898 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 9 states have call predecessors, (11), 3 states have call successors, (11) Word has length 152 [2024-11-28 04:20:15,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:15,907 INFO L225 Difference]: With dead ends: 1037 [2024-11-28 04:20:15,907 INFO L226 Difference]: Without dead ends: 1036 [2024-11-28 04:20:15,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 295 SyntacticMatches, 7 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:20:15,910 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 8 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:15,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 347 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:20:15,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-28 04:20:16,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 945. [2024-11-28 04:20:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 755 states have (on average 1.1920529801324504) internal successors, (900), 744 states have internal predecessors, (900), 147 states have call successors, (147), 20 states have call predecessors, (147), 38 states have return successors, (328), 180 states have call predecessors, (328), 147 states have call successors, (328) [2024-11-28 04:20:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1375 transitions. [2024-11-28 04:20:16,018 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1375 transitions. Word has length 152 [2024-11-28 04:20:16,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:16,020 INFO L471 AbstractCegarLoop]: Abstraction has 945 states and 1375 transitions. [2024-11-28 04:20:16,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 9 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 04:20:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1375 transitions. [2024-11-28 04:20:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 04:20:16,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:16,025 INFO L218 NwaCegarLoop]: trace histogram [17, 15, 10, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:16,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 04:20:16,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 04:20:16,226 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:16,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:16,226 INFO L85 PathProgramCache]: Analyzing trace with hash -813489170, now seen corresponding path program 4 times [2024-11-28 04:20:16,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:16,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919185842] [2024-11-28 04:20:16,227 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:20:16,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:16,257 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:20:16,257 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 123 proven. 218 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-28 04:20:16,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:16,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919185842] [2024-11-28 04:20:16,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919185842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:16,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727572725] [2024-11-28 04:20:16,544 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:20:16,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:16,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:16,547 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:16,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 04:20:16,655 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:20:16,655 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:16,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:20:16,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 123 proven. 218 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-28 04:20:16,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 123 proven. 219 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-28 04:20:17,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727572725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:17,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:17,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 19 [2024-11-28 04:20:17,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754219907] [2024-11-28 04:20:17,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:17,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:20:17,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:17,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:20:17,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:20:17,413 INFO L87 Difference]: Start difference. First operand 945 states and 1375 transitions. Second operand has 19 states, 19 states have (on average 4.894736842105263) internal successors, (93), 18 states have internal predecessors, (93), 9 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 8 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-28 04:20:18,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:18,742 INFO L93 Difference]: Finished difference Result 2386 states and 4164 transitions. [2024-11-28 04:20:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 04:20:18,743 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.894736842105263) internal successors, (93), 18 states have internal predecessors, (93), 9 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 8 states have call predecessors, (12), 7 states have call successors, (12) Word has length 165 [2024-11-28 04:20:18,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:18,760 INFO L225 Difference]: With dead ends: 2386 [2024-11-28 04:20:18,760 INFO L226 Difference]: Without dead ends: 1593 [2024-11-28 04:20:18,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 323 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=449, Invalid=1531, Unknown=0, NotChecked=0, Total=1980 [2024-11-28 04:20:18,771 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 347 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:18,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 397 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:20:18,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2024-11-28 04:20:18,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1451. [2024-11-28 04:20:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1167 states have (on average 1.1859468723221938) internal successors, (1384), 1134 states have internal predecessors, (1384), 214 states have call successors, (214), 38 states have call predecessors, (214), 65 states have return successors, (664), 278 states have call predecessors, (664), 214 states have call successors, (664) [2024-11-28 04:20:18,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2262 transitions. [2024-11-28 04:20:18,984 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2262 transitions. Word has length 165 [2024-11-28 04:20:18,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:18,985 INFO L471 AbstractCegarLoop]: Abstraction has 1451 states and 2262 transitions. [2024-11-28 04:20:18,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.894736842105263) internal successors, (93), 18 states have internal predecessors, (93), 9 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 8 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-28 04:20:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2262 transitions. [2024-11-28 04:20:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:20:18,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:18,990 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:20:19,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 04:20:19,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:19,192 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:19,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:19,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1960492972, now seen corresponding path program 2 times [2024-11-28 04:20:19,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:19,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3147630] [2024-11-28 04:20:19,194 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:19,225 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:19,225 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 137 proven. 27 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-28 04:20:19,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3147630] [2024-11-28 04:20:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3147630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690596893] [2024-11-28 04:20:19,349 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:19,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:19,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:19,352 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:19,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 04:20:19,464 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:19,464 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:19,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:20:19,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 4 proven. 181 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-28 04:20:19,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 4 proven. 181 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-28 04:20:20,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690596893] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:20,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:20,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 27 [2024-11-28 04:20:20,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945209040] [2024-11-28 04:20:20,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:20,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-28 04:20:20,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:20,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-28 04:20:20,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2024-11-28 04:20:20,088 INFO L87 Difference]: Start difference. First operand 1451 states and 2262 transitions. Second operand has 27 states, 27 states have (on average 4.296296296296297) internal successors, (116), 27 states have internal predecessors, (116), 14 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) [2024-11-28 04:20:21,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:21,563 INFO L93 Difference]: Finished difference Result 2477 states and 4170 transitions. [2024-11-28 04:20:21,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-28 04:20:21,563 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.296296296296297) internal successors, (116), 27 states have internal predecessors, (116), 14 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) Word has length 146 [2024-11-28 04:20:21,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:21,579 INFO L225 Difference]: With dead ends: 2477 [2024-11-28 04:20:21,579 INFO L226 Difference]: Without dead ends: 1676 [2024-11-28 04:20:21,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1244 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=788, Invalid=4324, Unknown=0, NotChecked=0, Total=5112 [2024-11-28 04:20:21,592 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 58 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:21,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 337 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:20:21,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2024-11-28 04:20:21,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 805. [2024-11-28 04:20:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 652 states have (on average 1.1319018404907975) internal successors, (738), 618 states have internal predecessors, (738), 90 states have call successors, (90), 34 states have call predecessors, (90), 59 states have return successors, (272), 152 states have call predecessors, (272), 90 states have call successors, (272) [2024-11-28 04:20:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1100 transitions. [2024-11-28 04:20:21,804 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1100 transitions. Word has length 146 [2024-11-28 04:20:21,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:21,805 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1100 transitions. [2024-11-28 04:20:21,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.296296296296297) internal successors, (116), 27 states have internal predecessors, (116), 14 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15) [2024-11-28 04:20:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1100 transitions. [2024-11-28 04:20:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-28 04:20:21,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:21,810 INFO L218 NwaCegarLoop]: trace histogram [21, 18, 13, 9, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:21,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:22,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-28 04:20:22,014 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:22,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:22,015 INFO L85 PathProgramCache]: Analyzing trace with hash 572267573, now seen corresponding path program 5 times [2024-11-28 04:20:22,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:22,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162340212] [2024-11-28 04:20:22,016 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 04:20:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:22,038 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-28 04:20:22,038 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 114 proven. 74 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2024-11-28 04:20:22,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:22,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162340212] [2024-11-28 04:20:22,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162340212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:22,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650642424] [2024-11-28 04:20:22,117 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 04:20:22,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:22,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:22,119 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:22,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 04:20:22,202 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-28 04:20:22,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:22,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:20:22,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 580 proven. 2 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-28 04:20:22,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 114 proven. 74 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2024-11-28 04:20:22,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650642424] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:22,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:22,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-28 04:20:22,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116186056] [2024-11-28 04:20:22,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:22,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:20:22,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:22,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:20:22,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:20:22,504 INFO L87 Difference]: Start difference. First operand 805 states and 1100 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 04:20:22,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:22,764 INFO L93 Difference]: Finished difference Result 1637 states and 2421 transitions. [2024-11-28 04:20:22,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:20:22,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 201 [2024-11-28 04:20:22,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:22,772 INFO L225 Difference]: With dead ends: 1637 [2024-11-28 04:20:22,772 INFO L226 Difference]: Without dead ends: 940 [2024-11-28 04:20:22,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 399 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:20:22,777 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 51 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:22,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 159 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:20:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-28 04:20:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 875. [2024-11-28 04:20:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 702 states have (on average 1.1139601139601139) internal successors, (782), 676 states have internal predecessors, (782), 107 states have call successors, (107), 35 states have call predecessors, (107), 62 states have return successors, (249), 163 states have call predecessors, (249), 107 states have call successors, (249) [2024-11-28 04:20:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1138 transitions. [2024-11-28 04:20:22,938 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1138 transitions. Word has length 201 [2024-11-28 04:20:22,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:22,939 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1138 transitions. [2024-11-28 04:20:22,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 04:20:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1138 transitions. [2024-11-28 04:20:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-28 04:20:22,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:22,944 INFO L218 NwaCegarLoop]: trace histogram [23, 21, 17, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:22,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 04:20:23,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-28 04:20:23,149 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:23,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:23,151 INFO L85 PathProgramCache]: Analyzing trace with hash 240563638, now seen corresponding path program 1 times [2024-11-28 04:20:23,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:23,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808802701] [2024-11-28 04:20:23,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:23,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 146 proven. 311 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2024-11-28 04:20:23,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:23,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808802701] [2024-11-28 04:20:23,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808802701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:23,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143240784] [2024-11-28 04:20:23,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:23,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:23,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:23,406 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:23,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 04:20:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:23,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:20:23,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 692 proven. 42 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 04:20:23,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 146 proven. 312 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2024-11-28 04:20:24,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143240784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:24,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:24,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 13 [2024-11-28 04:20:24,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318611317] [2024-11-28 04:20:24,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:24,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:20:24,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:24,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:20:24,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:20:24,153 INFO L87 Difference]: Start difference. First operand 875 states and 1138 transitions. Second operand has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 9 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 6 states have call predecessors, (17), 9 states have call successors, (17) [2024-11-28 04:20:24,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:24,441 INFO L93 Difference]: Finished difference Result 1391 states and 1804 transitions. [2024-11-28 04:20:24,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:20:24,441 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 9 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 6 states have call predecessors, (17), 9 states have call successors, (17) Word has length 223 [2024-11-28 04:20:24,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:24,446 INFO L225 Difference]: With dead ends: 1391 [2024-11-28 04:20:24,447 INFO L226 Difference]: Without dead ends: 640 [2024-11-28 04:20:24,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 441 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:20:24,450 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 51 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:24,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 205 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:20:24,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-28 04:20:24,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 573. [2024-11-28 04:20:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 458 states have (on average 1.1179039301310043) internal successors, (512), 448 states have internal predecessors, (512), 71 states have call successors, (71), 26 states have call predecessors, (71), 40 states have return successors, (143), 98 states have call predecessors, (143), 71 states have call successors, (143) [2024-11-28 04:20:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 726 transitions. [2024-11-28 04:20:24,515 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 726 transitions. Word has length 223 [2024-11-28 04:20:24,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:24,516 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 726 transitions. [2024-11-28 04:20:24,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 9 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 6 states have call predecessors, (17), 9 states have call successors, (17) [2024-11-28 04:20:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 726 transitions. [2024-11-28 04:20:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-28 04:20:24,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:24,519 INFO L218 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:24,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-28 04:20:24,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:24,720 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:24,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:24,720 INFO L85 PathProgramCache]: Analyzing trace with hash 724445529, now seen corresponding path program 1 times [2024-11-28 04:20:24,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:24,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686641917] [2024-11-28 04:20:24,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:24,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 245 proven. 93 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2024-11-28 04:20:25,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:25,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686641917] [2024-11-28 04:20:25,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686641917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:25,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619588892] [2024-11-28 04:20:25,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:25,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:25,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:25,133 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:25,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 04:20:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:25,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:20:25,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 393 proven. 9 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2024-11-28 04:20:25,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 245 proven. 93 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2024-11-28 04:20:25,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619588892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:25,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:25,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 21 [2024-11-28 04:20:25,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322890406] [2024-11-28 04:20:25,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:25,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 04:20:25,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:25,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 04:20:25,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:20:25,904 INFO L87 Difference]: Start difference. First operand 573 states and 726 transitions. Second operand has 21 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 19 states have internal predecessors, (82), 10 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2024-11-28 04:20:26,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:26,405 INFO L93 Difference]: Finished difference Result 1178 states and 1658 transitions. [2024-11-28 04:20:26,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 04:20:26,405 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 19 states have internal predecessors, (82), 10 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 210 [2024-11-28 04:20:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:26,411 INFO L225 Difference]: With dead ends: 1178 [2024-11-28 04:20:26,411 INFO L226 Difference]: Without dead ends: 823 [2024-11-28 04:20:26,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 404 SyntacticMatches, 11 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2024-11-28 04:20:26,415 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 77 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:26,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 313 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:20:26,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-11-28 04:20:26,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 768. [2024-11-28 04:20:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 615 states have (on average 1.1121951219512196) internal successors, (684), 599 states have internal predecessors, (684), 97 states have call successors, (97), 32 states have call predecessors, (97), 52 states have return successors, (214), 136 states have call predecessors, (214), 97 states have call successors, (214) [2024-11-28 04:20:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 995 transitions. [2024-11-28 04:20:26,521 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 995 transitions. Word has length 210 [2024-11-28 04:20:26,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:26,522 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 995 transitions. [2024-11-28 04:20:26,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 19 states have internal predecessors, (82), 10 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2024-11-28 04:20:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 995 transitions. [2024-11-28 04:20:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 04:20:26,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:26,525 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 22, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:26,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:26,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-28 04:20:26,730 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:26,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:26,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1037957801, now seen corresponding path program 4 times [2024-11-28 04:20:26,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:26,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428449302] [2024-11-28 04:20:26,731 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:20:26,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:26,772 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:20:26,773 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:20:28,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:28,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428449302] [2024-11-28 04:20:28,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428449302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:28,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388310762] [2024-11-28 04:20:28,512 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:20:28,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:28,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:28,515 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:28,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 04:20:28,690 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:20:28,690 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:28,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-28 04:20:28,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:20:28,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:20:31,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388310762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:31,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:31,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-28 04:20:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885045933] [2024-11-28 04:20:31,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:31,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-28 04:20:31,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:31,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-28 04:20:31,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-28 04:20:31,768 INFO L87 Difference]: Start difference. First operand 768 states and 995 transitions. Second operand has 94 states, 93 states have (on average 2.086021505376344) internal successors, (194), 94 states have internal predecessors, (194), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:20:32,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:32,695 INFO L93 Difference]: Finished difference Result 1544 states and 2402 transitions. [2024-11-28 04:20:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-28 04:20:32,696 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.086021505376344) internal successors, (194), 94 states have internal predecessors, (194), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 213 [2024-11-28 04:20:32,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:32,706 INFO L225 Difference]: With dead ends: 1544 [2024-11-28 04:20:32,706 INFO L226 Difference]: Without dead ends: 1543 [2024-11-28 04:20:32,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-28 04:20:32,710 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:32,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 427 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:20:32,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2024-11-28 04:20:32,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 888. [2024-11-28 04:20:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 711 states have (on average 1.130801687763713) internal successors, (804), 695 states have internal predecessors, (804), 121 states have call successors, (121), 32 states have call predecessors, (121), 52 states have return successors, (238), 160 states have call predecessors, (238), 121 states have call successors, (238) [2024-11-28 04:20:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1163 transitions. [2024-11-28 04:20:32,851 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1163 transitions. Word has length 213 [2024-11-28 04:20:32,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:32,852 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1163 transitions. [2024-11-28 04:20:32,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.086021505376344) internal successors, (194), 94 states have internal predecessors, (194), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:20:32,852 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1163 transitions. [2024-11-28 04:20:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-28 04:20:32,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:32,856 INFO L218 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:32,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-28 04:20:33,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:33,062 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:33,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:33,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1723260324, now seen corresponding path program 2 times [2024-11-28 04:20:33,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:33,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10271252] [2024-11-28 04:20:33,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:33,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:33,114 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:33,114 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 207 proven. 147 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-11-28 04:20:33,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:33,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10271252] [2024-11-28 04:20:33,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10271252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:33,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193383446] [2024-11-28 04:20:33,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:33,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:33,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:33,511 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:33,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 04:20:33,642 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:33,642 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:33,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 04:20:33,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 279 proven. 141 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2024-11-28 04:20:33,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 207 proven. 147 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-11-28 04:20:34,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193383446] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:34,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:34,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 23 [2024-11-28 04:20:34,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511497570] [2024-11-28 04:20:34,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:34,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 04:20:34,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:34,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 04:20:34,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:20:34,325 INFO L87 Difference]: Start difference. First operand 888 states and 1163 transitions. Second operand has 23 states, 23 states have (on average 3.8260869565217392) internal successors, (88), 20 states have internal predecessors, (88), 12 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2024-11-28 04:20:35,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:35,094 INFO L93 Difference]: Finished difference Result 1459 states and 2009 transitions. [2024-11-28 04:20:35,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 04:20:35,095 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.8260869565217392) internal successors, (88), 20 states have internal predecessors, (88), 12 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 212 [2024-11-28 04:20:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:35,101 INFO L225 Difference]: With dead ends: 1459 [2024-11-28 04:20:35,101 INFO L226 Difference]: Without dead ends: 909 [2024-11-28 04:20:35,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 406 SyntacticMatches, 13 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=224, Invalid=1336, Unknown=0, NotChecked=0, Total=1560 [2024-11-28 04:20:35,106 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 63 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:35,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 314 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:20:35,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-28 04:20:35,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 899. [2024-11-28 04:20:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 720 states have (on average 1.1111111111111112) internal successors, (800), 711 states have internal predecessors, (800), 121 states have call successors, (121), 38 states have call predecessors, (121), 54 states have return successors, (211), 149 states have call predecessors, (211), 121 states have call successors, (211) [2024-11-28 04:20:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1132 transitions. [2024-11-28 04:20:35,266 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1132 transitions. Word has length 212 [2024-11-28 04:20:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:35,266 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1132 transitions. [2024-11-28 04:20:35,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.8260869565217392) internal successors, (88), 20 states have internal predecessors, (88), 12 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2024-11-28 04:20:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1132 transitions. [2024-11-28 04:20:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-28 04:20:35,271 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:35,271 INFO L218 NwaCegarLoop]: trace histogram [23, 19, 15, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:35,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-28 04:20:35,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-28 04:20:35,472 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:35,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:35,477 INFO L85 PathProgramCache]: Analyzing trace with hash -597039792, now seen corresponding path program 3 times [2024-11-28 04:20:35,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:35,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867767574] [2024-11-28 04:20:35,477 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:20:35,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:35,509 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 04:20:35,509 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 158 proven. 5 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2024-11-28 04:20:35,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:35,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867767574] [2024-11-28 04:20:35,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867767574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:35,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171574496] [2024-11-28 04:20:35,600 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:20:35,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:35,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:35,603 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:35,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 04:20:35,720 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 04:20:35,720 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:35,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:20:35,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 158 proven. 9 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2024-11-28 04:20:35,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 158 proven. 9 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2024-11-28 04:20:35,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171574496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:35,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:35,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2024-11-28 04:20:35,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452564795] [2024-11-28 04:20:35,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:35,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:20:35,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:35,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:20:35,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:20:35,994 INFO L87 Difference]: Start difference. First operand 899 states and 1132 transitions. Second operand has 12 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 7 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:20:36,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:36,546 INFO L93 Difference]: Finished difference Result 1211 states and 1530 transitions. [2024-11-28 04:20:36,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:20:36,547 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 7 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 227 [2024-11-28 04:20:36,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:36,558 INFO L225 Difference]: With dead ends: 1211 [2024-11-28 04:20:36,558 INFO L226 Difference]: Without dead ends: 1210 [2024-11-28 04:20:36,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:20:36,560 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 150 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:36,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 371 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:20:36,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2024-11-28 04:20:36,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1156. [2024-11-28 04:20:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 926 states have (on average 1.1079913606911447) internal successors, (1026), 907 states have internal predecessors, (1026), 152 states have call successors, (152), 48 states have call predecessors, (152), 74 states have return successors, (286), 200 states have call predecessors, (286), 152 states have call successors, (286) [2024-11-28 04:20:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1464 transitions. [2024-11-28 04:20:36,813 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1464 transitions. Word has length 227 [2024-11-28 04:20:36,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:36,814 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1464 transitions. [2024-11-28 04:20:36,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 7 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:20:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1464 transitions. [2024-11-28 04:20:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-28 04:20:36,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:36,824 INFO L218 NwaCegarLoop]: trace histogram [30, 27, 21, 12, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:20:36,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:37,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-28 04:20:37,029 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:37,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:37,029 INFO L85 PathProgramCache]: Analyzing trace with hash -899889364, now seen corresponding path program 2 times [2024-11-28 04:20:37,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:37,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075625528] [2024-11-28 04:20:37,030 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:37,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:37,115 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:37,116 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:37,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 332 proven. 310 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2024-11-28 04:20:37,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:37,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075625528] [2024-11-28 04:20:37,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075625528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:37,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370891999] [2024-11-28 04:20:37,586 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:20:37,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:37,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:37,589 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:37,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 04:20:37,767 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:20:37,767 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:37,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:20:37,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 1020 proven. 199 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2024-11-28 04:20:37,990 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 332 proven. 310 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2024-11-28 04:20:38,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370891999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:38,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:38,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 18 [2024-11-28 04:20:38,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435430162] [2024-11-28 04:20:38,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:38,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:20:38,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:38,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:20:38,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:20:38,464 INFO L87 Difference]: Start difference. First operand 1156 states and 1464 transitions. Second operand has 18 states, 18 states have (on average 5.444444444444445) internal successors, (98), 16 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (13), 7 states have call predecessors, (13), 9 states have call successors, (13) [2024-11-28 04:20:38,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:38,893 INFO L93 Difference]: Finished difference Result 2214 states and 2808 transitions. [2024-11-28 04:20:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:20:38,894 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.444444444444445) internal successors, (98), 16 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (13), 7 states have call predecessors, (13), 9 states have call successors, (13) Word has length 300 [2024-11-28 04:20:38,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:38,901 INFO L225 Difference]: With dead ends: 2214 [2024-11-28 04:20:38,901 INFO L226 Difference]: Without dead ends: 1411 [2024-11-28 04:20:38,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 588 SyntacticMatches, 14 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:20:38,906 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 170 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:38,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 308 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:20:38,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2024-11-28 04:20:39,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1399. [2024-11-28 04:20:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1399 states, 1120 states have (on average 1.1026785714285714) internal successors, (1235), 1101 states have internal predecessors, (1235), 172 states have call successors, (172), 68 states have call predecessors, (172), 103 states have return successors, (318), 229 states have call predecessors, (318), 172 states have call successors, (318) [2024-11-28 04:20:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1725 transitions. [2024-11-28 04:20:39,047 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1725 transitions. Word has length 300 [2024-11-28 04:20:39,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:39,048 INFO L471 AbstractCegarLoop]: Abstraction has 1399 states and 1725 transitions. [2024-11-28 04:20:39,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.444444444444445) internal successors, (98), 16 states have internal predecessors, (98), 11 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (13), 7 states have call predecessors, (13), 9 states have call successors, (13) [2024-11-28 04:20:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1725 transitions. [2024-11-28 04:20:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-28 04:20:39,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:39,052 INFO L218 NwaCegarLoop]: trace histogram [30, 28, 21, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:20:39,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-28 04:20:39,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-28 04:20:39,253 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:39,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:39,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1598592115, now seen corresponding path program 3 times [2024-11-28 04:20:39,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:39,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111327820] [2024-11-28 04:20:39,253 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:20:39,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:39,300 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-28 04:20:39,301 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 478 proven. 21 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2024-11-28 04:20:39,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:39,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111327820] [2024-11-28 04:20:39,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111327820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:39,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759868105] [2024-11-28 04:20:39,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:20:39,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:39,604 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:39,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 04:20:39,747 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-28 04:20:39,747 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:39,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:20:39,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 478 proven. 19 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2024-11-28 04:20:39,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 478 proven. 21 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2024-11-28 04:20:40,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759868105] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:40,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:40,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 10] total 18 [2024-11-28 04:20:40,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482995760] [2024-11-28 04:20:40,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:40,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:20:40,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:40,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:20:40,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:20:40,337 INFO L87 Difference]: Start difference. First operand 1399 states and 1725 transitions. Second operand has 18 states, 16 states have (on average 5.375) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 04:20:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:40,773 INFO L93 Difference]: Finished difference Result 2333 states and 3022 transitions. [2024-11-28 04:20:40,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:20:40,774 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.375) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) Word has length 301 [2024-11-28 04:20:40,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:40,784 INFO L225 Difference]: With dead ends: 2333 [2024-11-28 04:20:40,784 INFO L226 Difference]: Without dead ends: 1358 [2024-11-28 04:20:40,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 593 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=583, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:20:40,790 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 133 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:40,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 248 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:20:40,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2024-11-28 04:20:40,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1334. [2024-11-28 04:20:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1070 states have (on average 1.1037383177570093) internal successors, (1181), 1054 states have internal predecessors, (1181), 161 states have call successors, (161), 71 states have call predecessors, (161), 99 states have return successors, (277), 208 states have call predecessors, (277), 161 states have call successors, (277) [2024-11-28 04:20:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1619 transitions. [2024-11-28 04:20:40,996 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1619 transitions. Word has length 301 [2024-11-28 04:20:40,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:40,997 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 1619 transitions. [2024-11-28 04:20:40,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.375) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 04:20:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1619 transitions. [2024-11-28 04:20:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-28 04:20:41,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:41,001 INFO L218 NwaCegarLoop]: trace histogram [34, 31, 24, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:20:41,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-28 04:20:41,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-28 04:20:41,206 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:41,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1047371956, now seen corresponding path program 4 times [2024-11-28 04:20:41,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:41,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741482196] [2024-11-28 04:20:41,207 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:20:41,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:41,260 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:20:41,260 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3094 backedges. 582 proven. 606 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2024-11-28 04:20:41,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:41,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741482196] [2024-11-28 04:20:41,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741482196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:41,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488022797] [2024-11-28 04:20:41,786 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 04:20:41,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:41,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:41,789 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:41,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 04:20:41,944 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 04:20:41,945 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:41,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 04:20:41,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3094 backedges. 1738 proven. 217 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-11-28 04:20:42,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3094 backedges. 582 proven. 607 refuted. 0 times theorem prover too weak. 1905 trivial. 0 not checked. [2024-11-28 04:20:43,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488022797] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:43,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:43,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 19] total 29 [2024-11-28 04:20:43,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177784283] [2024-11-28 04:20:43,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:43,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 04:20:43,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:43,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 04:20:43,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2024-11-28 04:20:43,585 INFO L87 Difference]: Start difference. First operand 1334 states and 1619 transitions. Second operand has 29 states, 29 states have (on average 5.0344827586206895) internal successors, (146), 28 states have internal predecessors, (146), 15 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 11 states have call predecessors, (23), 14 states have call successors, (23) [2024-11-28 04:20:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:45,885 INFO L93 Difference]: Finished difference Result 3427 states and 4763 transitions. [2024-11-28 04:20:45,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-28 04:20:45,886 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.0344827586206895) internal successors, (146), 28 states have internal predecessors, (146), 15 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 11 states have call predecessors, (23), 14 states have call successors, (23) Word has length 337 [2024-11-28 04:20:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:45,901 INFO L225 Difference]: With dead ends: 3427 [2024-11-28 04:20:45,901 INFO L226 Difference]: Without dead ends: 2550 [2024-11-28 04:20:45,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 674 SyntacticMatches, 11 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1303, Invalid=5017, Unknown=0, NotChecked=0, Total=6320 [2024-11-28 04:20:45,909 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 1078 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:45,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 680 Invalid, 1887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:20:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2024-11-28 04:20:46,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 1798. [2024-11-28 04:20:46,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1798 states, 1445 states have (on average 1.103114186851211) internal successors, (1594), 1410 states have internal predecessors, (1594), 215 states have call successors, (215), 88 states have call predecessors, (215), 134 states have return successors, (461), 299 states have call predecessors, (461), 215 states have call successors, (461) [2024-11-28 04:20:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2270 transitions. [2024-11-28 04:20:46,206 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2270 transitions. Word has length 337 [2024-11-28 04:20:46,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:46,207 INFO L471 AbstractCegarLoop]: Abstraction has 1798 states and 2270 transitions. [2024-11-28 04:20:46,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.0344827586206895) internal successors, (146), 28 states have internal predecessors, (146), 15 states have call successors, (23), 4 states have call predecessors, (23), 8 states have return successors, (23), 11 states have call predecessors, (23), 14 states have call successors, (23) [2024-11-28 04:20:46,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2270 transitions. [2024-11-28 04:20:46,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-28 04:20:46,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:46,214 INFO L218 NwaCegarLoop]: trace histogram [36, 33, 26, 14, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:20:46,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:46,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-28 04:20:46,417 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:46,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:46,419 INFO L85 PathProgramCache]: Analyzing trace with hash -974969794, now seen corresponding path program 5 times [2024-11-28 04:20:46,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:46,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657073301] [2024-11-28 04:20:46,419 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 04:20:46,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:46,507 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-28 04:20:46,507 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3595 backedges. 739 proven. 739 refuted. 0 times theorem prover too weak. 2117 trivial. 0 not checked. [2024-11-28 04:20:48,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:48,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657073301] [2024-11-28 04:20:48,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657073301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:48,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821698977] [2024-11-28 04:20:48,512 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 04:20:48,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:48,514 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:48,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 04:20:48,729 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-28 04:20:48,730 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:48,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 04:20:48,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3595 backedges. 2032 proven. 42 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-28 04:20:49,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:20:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3595 backedges. 685 proven. 435 refuted. 0 times theorem prover too weak. 2475 trivial. 0 not checked. [2024-11-28 04:20:49,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821698977] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:20:49,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:20:49,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 11, 11] total 36 [2024-11-28 04:20:49,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401164222] [2024-11-28 04:20:49,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:20:49,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-28 04:20:49,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:49,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-28 04:20:49,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1108, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 04:20:49,850 INFO L87 Difference]: Start difference. First operand 1798 states and 2270 transitions. Second operand has 36 states, 36 states have (on average 4.472222222222222) internal successors, (161), 34 states have internal predecessors, (161), 16 states have call successors, (26), 2 states have call predecessors, (26), 9 states have return successors, (28), 13 states have call predecessors, (28), 16 states have call successors, (28) [2024-11-28 04:20:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:50,299 INFO L93 Difference]: Finished difference Result 1798 states and 2270 transitions. [2024-11-28 04:20:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:20:50,300 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.472222222222222) internal successors, (161), 34 states have internal predecessors, (161), 16 states have call successors, (26), 2 states have call predecessors, (26), 9 states have return successors, (28), 13 states have call predecessors, (28), 16 states have call successors, (28) Word has length 368 [2024-11-28 04:20:50,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:50,304 INFO L225 Difference]: With dead ends: 1798 [2024-11-28 04:20:50,304 INFO L226 Difference]: Without dead ends: 254 [2024-11-28 04:20:50,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 726 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=251, Invalid=2005, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 04:20:50,310 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 20 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:50,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 169 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:20:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-28 04:20:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2024-11-28 04:20:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 203 states have (on average 1.0049261083743843) internal successors, (204), 203 states have internal predecessors, (204), 47 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 04:20:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 298 transitions. [2024-11-28 04:20:50,341 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 298 transitions. Word has length 368 [2024-11-28 04:20:50,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:50,342 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 298 transitions. [2024-11-28 04:20:50,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.472222222222222) internal successors, (161), 34 states have internal predecessors, (161), 16 states have call successors, (26), 2 states have call predecessors, (26), 9 states have return successors, (28), 13 states have call predecessors, (28), 16 states have call successors, (28) [2024-11-28 04:20:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 298 transitions. [2024-11-28 04:20:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 04:20:50,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:50,346 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 46, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:50,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-28 04:20:50,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:50,550 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:20:50,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1633743703, now seen corresponding path program 5 times [2024-11-28 04:20:50,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:50,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578618194] [2024-11-28 04:20:50,555 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 04:20:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:50,833 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-28 04:20:50,834 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-28 04:20:58,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:58,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578618194] [2024-11-28 04:20:58,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578618194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:20:58,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738130760] [2024-11-28 04:20:58,744 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 04:20:58,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:20:58,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:20:58,747 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:20:58,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 04:20:59,126 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-28 04:20:59,126 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:20:59,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-28 04:20:59,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-28 04:20:59,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:21:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-11-28 04:21:08,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738130760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:21:08,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:21:08,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-28 04:21:08,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120537389] [2024-11-28 04:21:08,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:21:08,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-28 04:21:08,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:08,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-28 04:21:08,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-28 04:21:08,655 INFO L87 Difference]: Start difference. First operand 254 states and 298 transitions. Second operand has 190 states, 189 states have (on average 2.0423280423280423) internal successors, (386), 190 states have internal predecessors, (386), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 04:21:09,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:09,817 INFO L93 Difference]: Finished difference Result 495 states and 634 transitions. [2024-11-28 04:21:09,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-28 04:21:09,817 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.0423280423280423) internal successors, (386), 190 states have internal predecessors, (386), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 429 [2024-11-28 04:21:09,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:09,821 INFO L225 Difference]: With dead ends: 495 [2024-11-28 04:21:09,821 INFO L226 Difference]: Without dead ends: 494 [2024-11-28 04:21:09,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 951 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-28 04:21:09,826 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:09,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:21:09,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-28 04:21:09,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2024-11-28 04:21:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 395 states have (on average 1.0025316455696203) internal successors, (396), 395 states have internal predecessors, (396), 95 states have call successors, (95), 3 states have call predecessors, (95), 3 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-28 04:21:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 586 transitions. [2024-11-28 04:21:09,878 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 586 transitions. Word has length 429 [2024-11-28 04:21:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:09,879 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 586 transitions. [2024-11-28 04:21:09,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.0423280423280423) internal successors, (386), 190 states have internal predecessors, (386), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 04:21:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 586 transitions. [2024-11-28 04:21:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2024-11-28 04:21:09,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:09,908 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 94, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:09,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-28 04:21:10,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:10,109 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:21:10,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:10,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1263481001, now seen corresponding path program 6 times [2024-11-28 04:21:10,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:10,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592436189] [2024-11-28 04:21:10,111 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 04:21:10,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:10,867 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-28 04:21:10,868 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:21:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 40185 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2024-11-28 04:21:38,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:38,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592436189] [2024-11-28 04:21:38,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592436189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:21:38,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480046469] [2024-11-28 04:21:38,595 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 04:21:38,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:21:38,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:38,597 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:21:38,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 04:21:39,395 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-28 04:21:39,395 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:21:39,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 2389 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-28 04:21:39,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:21:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 40185 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2024-11-28 04:21:40,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:22:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 40185 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2024-11-28 04:22:09,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480046469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:22:09,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:22:09,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2024-11-28 04:22:09,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130116995] [2024-11-28 04:22:09,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:22:09,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2024-11-28 04:22:09,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:22:09,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2024-11-28 04:22:09,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-28 04:22:09,994 INFO L87 Difference]: Start difference. First operand 494 states and 586 transitions. Second operand has 382 states, 381 states have (on average 2.020997375328084) internal successors, (770), 382 states have internal predecessors, (770), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 04:22:13,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:22:13,407 INFO L93 Difference]: Finished difference Result 975 states and 1258 transitions. [2024-11-28 04:22:13,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2024-11-28 04:22:13,407 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 2.020997375328084) internal successors, (770), 382 states have internal predecessors, (770), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) Word has length 861 [2024-11-28 04:22:13,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:22:13,412 INFO L225 Difference]: With dead ends: 975 [2024-11-28 04:22:13,412 INFO L226 Difference]: Without dead ends: 974 [2024-11-28 04:22:13,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1911 GetRequests, 1531 SyntacticMatches, 0 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44557 ImplicationChecksByTransitivity, 39.8s TimeCoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2024-11-28 04:22:13,424 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:22:13,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:22:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-11-28 04:22:13,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 974. [2024-11-28 04:22:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 779 states have (on average 1.0012836970474968) internal successors, (780), 779 states have internal predecessors, (780), 191 states have call successors, (191), 3 states have call predecessors, (191), 3 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-28 04:22:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1162 transitions. [2024-11-28 04:22:13,504 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1162 transitions. Word has length 861 [2024-11-28 04:22:13,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:22:13,505 INFO L471 AbstractCegarLoop]: Abstraction has 974 states and 1162 transitions. [2024-11-28 04:22:13,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 2.020997375328084) internal successors, (770), 382 states have internal predecessors, (770), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 04:22:13,506 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1162 transitions. [2024-11-28 04:22:13,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1726 [2024-11-28 04:22:13,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:22:13,530 INFO L218 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 191, 191, 191, 191, 190, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:22:13,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-28 04:22:13,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:22:13,731 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:22:13,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:22:13,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1989707607, now seen corresponding path program 7 times [2024-11-28 04:22:13,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:22:13,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096898207] [2024-11-28 04:22:13,732 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 04:22:13,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:22:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 163305 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 72580 trivial. 0 not checked. [2024-11-28 04:24:34,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:34,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096898207] [2024-11-28 04:24:34,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096898207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:24:34,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933555190] [2024-11-28 04:24:34,606 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 04:24:34,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:24:34,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:24:34,607 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:24:34,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-28 04:24:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:35,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 4789 conjuncts, 383 conjuncts are in the unsatisfiable core [2024-11-28 04:24:35,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:24:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 163305 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 72580 trivial. 0 not checked. [2024-11-28 04:24:36,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:26:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 163305 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 72580 trivial. 0 not checked. [2024-11-28 04:26:38,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933555190] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:26:38,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:26:38,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [383, 383, 383] total 765 [2024-11-28 04:26:38,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498967005] [2024-11-28 04:26:38,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:26:38,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 766 states [2024-11-28 04:26:38,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:38,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 766 interpolants. [2024-11-28 04:26:38,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=147071, Invalid=438919, Unknown=0, NotChecked=0, Total=585990 [2024-11-28 04:26:38,851 INFO L87 Difference]: Start difference. First operand 974 states and 1162 transitions. Second operand has 766 states, 765 states have (on average 2.0104575163398692) internal successors, (1538), 766 states have internal predecessors, (1538), 382 states have call successors, (382), 1 states have call predecessors, (382), 1 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) [2024-11-28 04:26:57,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:57,572 INFO L93 Difference]: Finished difference Result 1935 states and 2506 transitions. [2024-11-28 04:26:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 766 states. [2024-11-28 04:26:57,574 INFO L78 Accepts]: Start accepts. Automaton has has 766 states, 765 states have (on average 2.0104575163398692) internal successors, (1538), 766 states have internal predecessors, (1538), 382 states have call successors, (382), 1 states have call predecessors, (382), 1 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) Word has length 1725 [2024-11-28 04:26:57,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:57,586 INFO L225 Difference]: With dead ends: 1935 [2024-11-28 04:26:57,586 INFO L226 Difference]: Without dead ends: 1934 [2024-11-28 04:26:57,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3831 GetRequests, 3067 SyntacticMatches, 0 SemanticMatches, 764 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181261 ImplicationChecksByTransitivity, 163.9s TimeCoverageRelationStatistics Valid=147071, Invalid=438919, Unknown=0, NotChecked=0, Total=585990 [2024-11-28 04:26:57,627 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:26:57,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 04:26:57,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2024-11-28 04:26:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1934. [2024-11-28 04:26:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1934 states, 1547 states have (on average 1.0006464124111183) internal successors, (1548), 1547 states have internal predecessors, (1548), 383 states have call successors, (383), 3 states have call predecessors, (383), 3 states have return successors, (383), 383 states have call predecessors, (383), 383 states have call successors, (383) [2024-11-28 04:26:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2314 transitions. [2024-11-28 04:26:57,815 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2314 transitions. Word has length 1725 [2024-11-28 04:26:57,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:57,818 INFO L471 AbstractCegarLoop]: Abstraction has 1934 states and 2314 transitions. [2024-11-28 04:26:57,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 766 states, 765 states have (on average 2.0104575163398692) internal successors, (1538), 766 states have internal predecessors, (1538), 382 states have call successors, (382), 1 states have call predecessors, (382), 1 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) [2024-11-28 04:26:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2314 transitions. [2024-11-28 04:26:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3454 [2024-11-28 04:26:58,094 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:58,095 INFO L218 NwaCegarLoop]: trace histogram [383, 383, 383, 383, 383, 383, 383, 383, 382, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:58,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-28 04:26:58,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c8c6a7-2d4e-4ec3-8516-326721a95d2c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-28 04:26:58,300 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 04:26:58,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:58,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1484261545, now seen corresponding path program 8 times [2024-11-28 04:26:58,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:58,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090516899] [2024-11-28 04:26:58,303 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:26:58,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:05,008 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:27:05,008 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat