./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya --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 32bit --witnessprinter.graph.data.programhash f6c91769726962c1478685c30d57ac239987d5f8a5f6832d1d60b9c031f35855 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:05:28,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:05:29,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 03:05:29,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:05:29,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:05:29,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:05:29,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:05:29,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:05:29,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:05:29,074 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:05:29,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:05:29,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:05:29,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:05:29,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:05:29,077 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:05:29,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:05:29,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:05:29,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:05:29,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:05:29,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:05:29,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:05:29,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:05:29,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:05:29,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:05:29,081 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:05:29,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:05:29,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:05:29,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:05:29,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:05:29,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:05:29,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:05:29,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:05:29,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:05:29,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:05:29,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:05:29,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:05:29,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:05:29,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:05:29,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:05:29,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:05:29,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:05:29,088 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:05:29,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:05:29,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:05:29,088 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c91769726962c1478685c30d57ac239987d5f8a5f6832d1d60b9c031f35855 [2023-11-29 03:05:29,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:05:29,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:05:29,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:05:29,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:05:29,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:05:29,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c [2023-11-29 03:05:32,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:05:32,332 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:05:32,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/sv-benchmarks/c/bitvector/soft_float_5a.c.cil.c [2023-11-29 03:05:32,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/data/25837e5bc/b02412b991b14b34bb26fa06f86cc685/FLAG51231f7e5 [2023-11-29 03:05:32,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/data/25837e5bc/b02412b991b14b34bb26fa06f86cc685 [2023-11-29 03:05:32,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:05:32,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:05:32,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:05:32,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:05:32,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:05:32,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5962e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32, skipping insertion in model container [2023-11-29 03:05:32,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:05:32,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:05:32,591 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:05:32,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:05:32,634 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:05:32,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32 WrapperNode [2023-11-29 03:05:32,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:05:32,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:05:32,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:05:32,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:05:32,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,675 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 163 [2023-11-29 03:05:32,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:05:32,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:05:32,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:05:32,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:05:32,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,687 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,698 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 03:05:32,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:05:32,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:05:32,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:05:32,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:05:32,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (1/1) ... [2023-11-29 03:05:32,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:05:32,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:32,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:05:32,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:05:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:05:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:05:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-29 03:05:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-29 03:05:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:05:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:05:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 03:05:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 03:05:32,843 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:05:32,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:05:33,226 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:05:33,250 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:05:33,251 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 03:05:33,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:05:33 BoogieIcfgContainer [2023-11-29 03:05:33,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:05:33,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:05:33,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:05:33,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:05:33,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:05:32" (1/3) ... [2023-11-29 03:05:33,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db7d05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:05:33, skipping insertion in model container [2023-11-29 03:05:33,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:05:32" (2/3) ... [2023-11-29 03:05:33,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db7d05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:05:33, skipping insertion in model container [2023-11-29 03:05:33,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:05:33" (3/3) ... [2023-11-29 03:05:33,261 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_5a.c.cil.c [2023-11-29 03:05:33,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:05:33,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-29 03:05:33,317 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:05:33,322 INFO L357 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, mHoare=true, 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;@5cdd7ee5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:05:33,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-29 03:05:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 87 states have internal predecessors, (121), 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) [2023-11-29 03:05:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 03:05:33,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:33,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:33,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:33,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:33,341 INFO L85 PathProgramCache]: Analyzing trace with hash 6793218, now seen corresponding path program 1 times [2023-11-29 03:05:33,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:33,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483837457] [2023-11-29 03:05:33,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:33,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:33,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:33,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483837457] [2023-11-29 03:05:33,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483837457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:33,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:33,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:05:33,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921230661] [2023-11-29 03:05:33,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:33,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:05:33,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:33,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:05:33,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:05:33,584 INFO L87 Difference]: Start difference. First operand has 94 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 87 states have internal predecessors, (121), 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) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-29 03:05:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:33,730 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2023-11-29 03:05:33,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:05:33,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 8 [2023-11-29 03:05:33,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:33,740 INFO L225 Difference]: With dead ends: 230 [2023-11-29 03:05:33,741 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 03:05:33,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:33,746 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 80 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:33,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 304 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 03:05:33,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 109. [2023-11-29 03:05:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 102 states have internal predecessors, (137), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 145 transitions. [2023-11-29 03:05:33,798 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 145 transitions. Word has length 8 [2023-11-29 03:05:33,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:33,799 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 145 transitions. [2023-11-29 03:05:33,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-29 03:05:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 145 transitions. [2023-11-29 03:05:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 03:05:33,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:33,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:33,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:05:33,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:33,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:33,803 INFO L85 PathProgramCache]: Analyzing trace with hash -590613218, now seen corresponding path program 1 times [2023-11-29 03:05:33,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:33,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450021151] [2023-11-29 03:05:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:33,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:33,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450021151] [2023-11-29 03:05:33,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450021151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:33,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:33,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:05:33,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879865494] [2023-11-29 03:05:33,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:33,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:05:33,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:33,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:05:33,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:05:33,870 INFO L87 Difference]: Start difference. First operand 109 states and 145 transitions. Second operand has 3 states, 3 states have (on average 4.0) 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) [2023-11-29 03:05:33,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:33,934 INFO L93 Difference]: Finished difference Result 228 states and 310 transitions. [2023-11-29 03:05:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:05:33,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) 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 [2023-11-29 03:05:33,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:33,936 INFO L225 Difference]: With dead ends: 228 [2023-11-29 03:05:33,937 INFO L226 Difference]: Without dead ends: 121 [2023-11-29 03:05:33,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:05:33,940 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 12 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:33,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 147 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:33,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-29 03:05:33,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2023-11-29 03:05:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 95 states have (on average 1.4842105263157894) internal successors, (141), 106 states have internal predecessors, (141), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 149 transitions. [2023-11-29 03:05:33,958 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 149 transitions. Word has length 13 [2023-11-29 03:05:33,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:33,959 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 149 transitions. [2023-11-29 03:05:33,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) 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) [2023-11-29 03:05:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 149 transitions. [2023-11-29 03:05:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 03:05:33,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:33,961 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:33,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:05:33,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:33,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:33,962 INFO L85 PathProgramCache]: Analyzing trace with hash -590724532, now seen corresponding path program 1 times [2023-11-29 03:05:33,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:33,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222823585] [2023-11-29 03:05:33,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:34,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:05:34,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:34,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222823585] [2023-11-29 03:05:34,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222823585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:34,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:34,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:05:34,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681151923] [2023-11-29 03:05:34,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:34,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:05:34,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:34,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:05:34,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:05:34,010 INFO L87 Difference]: Start difference. First operand 113 states and 149 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-29 03:05:34,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:34,051 INFO L93 Difference]: Finished difference Result 117 states and 155 transitions. [2023-11-29 03:05:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:05:34,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 [2023-11-29 03:05:34,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:34,053 INFO L225 Difference]: With dead ends: 117 [2023-11-29 03:05:34,053 INFO L226 Difference]: Without dead ends: 116 [2023-11-29 03:05:34,054 INFO L412 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 [2023-11-29 03:05:34,056 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:34,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 153 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:34,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-29 03:05:34,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2023-11-29 03:05:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 105 states have internal predecessors, (139), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 147 transitions. [2023-11-29 03:05:34,071 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 147 transitions. Word has length 13 [2023-11-29 03:05:34,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:34,072 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 147 transitions. [2023-11-29 03:05:34,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-29 03:05:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 147 transitions. [2023-11-29 03:05:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 03:05:34,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:34,074 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:34,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:05:34,074 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:34,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:34,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1547104112, now seen corresponding path program 1 times [2023-11-29 03:05:34,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:34,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201512916] [2023-11-29 03:05:34,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:34,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:34,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:34,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201512916] [2023-11-29 03:05:34,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201512916] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:34,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22949861] [2023-11-29 03:05:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:34,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:34,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:34,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:34,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:05:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:34,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:05:34,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:34,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:34,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22949861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:34,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:34,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 03:05:34,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084166075] [2023-11-29 03:05:34,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:34,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:05:34,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:34,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:05:34,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:05:34,295 INFO L87 Difference]: Start difference. First operand 112 states and 147 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:05:34,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:34,383 INFO L93 Difference]: Finished difference Result 150 states and 206 transitions. [2023-11-29 03:05:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:05:34,384 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-29 03:05:34,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:34,386 INFO L225 Difference]: With dead ends: 150 [2023-11-29 03:05:34,386 INFO L226 Difference]: Without dead ends: 148 [2023-11-29 03:05:34,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:05:34,388 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 42 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:34,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 170 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:34,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-29 03:05:34,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 118. [2023-11-29 03:05:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 101 states have (on average 1.4356435643564356) internal successors, (145), 111 states have internal predecessors, (145), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 153 transitions. [2023-11-29 03:05:34,401 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 153 transitions. Word has length 14 [2023-11-29 03:05:34,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:34,401 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 153 transitions. [2023-11-29 03:05:34,402 INFO L496 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), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:05:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions. [2023-11-29 03:05:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 03:05:34,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:34,403 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:34,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:05:34,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:34,605 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:34,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:34,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1132591251, now seen corresponding path program 1 times [2023-11-29 03:05:34,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:34,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953824930] [2023-11-29 03:05:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:34,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:34,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:34,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953824930] [2023-11-29 03:05:34,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953824930] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:34,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35764534] [2023-11-29 03:05:34,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:34,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:34,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:34,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:34,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:05:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:34,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:05:34,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:34,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:34,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35764534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:34,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:34,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:05:34,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345393522] [2023-11-29 03:05:34,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:34,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:05:34,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:34,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:05:34,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:34,738 INFO L87 Difference]: Start difference. First operand 118 states and 153 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2023-11-29 03:05:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:34,785 INFO L93 Difference]: Finished difference Result 129 states and 167 transitions. [2023-11-29 03:05:34,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:05:34,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 [2023-11-29 03:05:34,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:34,788 INFO L225 Difference]: With dead ends: 129 [2023-11-29 03:05:34,788 INFO L226 Difference]: Without dead ends: 128 [2023-11-29 03:05:34,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:34,790 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 22 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:34,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 149 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-29 03:05:34,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 120. [2023-11-29 03:05:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 113 states have internal predecessors, (147), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 155 transitions. [2023-11-29 03:05:34,802 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 155 transitions. Word has length 14 [2023-11-29 03:05:34,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:34,802 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 155 transitions. [2023-11-29 03:05:34,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2023-11-29 03:05:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 155 transitions. [2023-11-29 03:05:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 03:05:34,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:34,804 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:34,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 03:05:35,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:35,009 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:35,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:35,009 INFO L85 PathProgramCache]: Analyzing trace with hash 715587309, now seen corresponding path program 1 times [2023-11-29 03:05:35,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:35,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791981031] [2023-11-29 03:05:35,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:35,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 03:05:35,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:35,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791981031] [2023-11-29 03:05:35,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791981031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:35,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:35,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:05:35,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801812868] [2023-11-29 03:05:35,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:35,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:05:35,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:35,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:05:35,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:05:35,040 INFO L87 Difference]: Start difference. First operand 120 states and 155 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) [2023-11-29 03:05:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:35,075 INFO L93 Difference]: Finished difference Result 124 states and 161 transitions. [2023-11-29 03:05:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:05:35,076 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 15 [2023-11-29 03:05:35,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:35,077 INFO L225 Difference]: With dead ends: 124 [2023-11-29 03:05:35,077 INFO L226 Difference]: Without dead ends: 123 [2023-11-29 03:05:35,077 INFO L412 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 [2023-11-29 03:05:35,079 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:35,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 152 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:35,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-29 03:05:35,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 117. [2023-11-29 03:05:35,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 110 states have internal predecessors, (143), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:35,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 151 transitions. [2023-11-29 03:05:35,089 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 151 transitions. Word has length 15 [2023-11-29 03:05:35,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:35,089 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 151 transitions. [2023-11-29 03:05:35,089 INFO L496 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) [2023-11-29 03:05:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions. [2023-11-29 03:05:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 03:05:35,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:35,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:35,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:05:35,091 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:35,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:35,091 INFO L85 PathProgramCache]: Analyzing trace with hash -641889948, now seen corresponding path program 1 times [2023-11-29 03:05:35,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:35,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453749369] [2023-11-29 03:05:35,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:35,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:35,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453749369] [2023-11-29 03:05:35,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453749369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:35,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:35,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:05:35,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993811789] [2023-11-29 03:05:35,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:35,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:05:35,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:35,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:05:35,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:35,159 INFO L87 Difference]: Start difference. First operand 117 states and 151 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2023-11-29 03:05:35,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:35,260 INFO L93 Difference]: Finished difference Result 137 states and 176 transitions. [2023-11-29 03:05:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:05:35,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 15 [2023-11-29 03:05:35,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:35,262 INFO L225 Difference]: With dead ends: 137 [2023-11-29 03:05:35,262 INFO L226 Difference]: Without dead ends: 136 [2023-11-29 03:05:35,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:05:35,264 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 98 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:35,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 281 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:35,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-29 03:05:35,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 121. [2023-11-29 03:05:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 114 states have internal predecessors, (148), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 156 transitions. [2023-11-29 03:05:35,274 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 156 transitions. Word has length 15 [2023-11-29 03:05:35,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:35,274 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 156 transitions. [2023-11-29 03:05:35,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2023-11-29 03:05:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2023-11-29 03:05:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 03:05:35,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:35,275 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:35,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:05:35,276 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:35,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:35,277 INFO L85 PathProgramCache]: Analyzing trace with hash 710532027, now seen corresponding path program 1 times [2023-11-29 03:05:35,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:35,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112435959] [2023-11-29 03:05:35,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:35,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:35,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:35,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112435959] [2023-11-29 03:05:35,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112435959] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343414814] [2023-11-29 03:05:35,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:35,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:35,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:35,331 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:35,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:05:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:05:35,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:05:35,415 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:35,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343414814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:35,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:35,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 03:05:35,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226626924] [2023-11-29 03:05:35,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:35,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:05:35,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:35,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:05:35,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:05:35,417 INFO L87 Difference]: Start difference. First operand 121 states and 156 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-29 03:05:35,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:35,475 INFO L93 Difference]: Finished difference Result 142 states and 186 transitions. [2023-11-29 03:05:35,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:05:35,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 16 [2023-11-29 03:05:35,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:35,477 INFO L225 Difference]: With dead ends: 142 [2023-11-29 03:05:35,477 INFO L226 Difference]: Without dead ends: 141 [2023-11-29 03:05:35,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:05:35,478 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 14 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:35,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 235 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:35,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-29 03:05:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 121. [2023-11-29 03:05:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.4) internal successors, (147), 114 states have internal predecessors, (147), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 155 transitions. [2023-11-29 03:05:35,488 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 155 transitions. Word has length 16 [2023-11-29 03:05:35,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:35,489 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 155 transitions. [2023-11-29 03:05:35,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-29 03:05:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 155 transitions. [2023-11-29 03:05:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 03:05:35,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:35,490 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:35,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:05:35,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:35,696 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:35,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:35,697 INFO L85 PathProgramCache]: Analyzing trace with hash -695303669, now seen corresponding path program 1 times [2023-11-29 03:05:35,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:35,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671443342] [2023-11-29 03:05:35,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:35,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 03:05:35,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671443342] [2023-11-29 03:05:35,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671443342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:35,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:35,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:05:35,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168464897] [2023-11-29 03:05:35,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:35,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:05:35,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:35,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:05:35,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:35,763 INFO L87 Difference]: Start difference. First operand 121 states and 155 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:05:35,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:35,858 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2023-11-29 03:05:35,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:05:35,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-29 03:05:35,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:35,861 INFO L225 Difference]: With dead ends: 182 [2023-11-29 03:05:35,861 INFO L226 Difference]: Without dead ends: 180 [2023-11-29 03:05:35,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:35,862 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 113 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:35,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 225 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-29 03:05:35,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 155. [2023-11-29 03:05:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 138 states have (on average 1.4130434782608696) internal successors, (195), 147 states have internal predecessors, (195), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2023-11-29 03:05:35,874 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 21 [2023-11-29 03:05:35,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:35,874 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2023-11-29 03:05:35,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:05:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2023-11-29 03:05:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 03:05:35,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:35,875 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:35,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:05:35,876 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:35,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:35,876 INFO L85 PathProgramCache]: Analyzing trace with hash -723931025, now seen corresponding path program 1 times [2023-11-29 03:05:35,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:35,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455651960] [2023-11-29 03:05:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:35,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 03:05:35,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:35,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455651960] [2023-11-29 03:05:35,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455651960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:35,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:35,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:05:35,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457984639] [2023-11-29 03:05:35,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:35,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:05:35,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:35,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:05:35,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:35,935 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:05:36,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:36,034 INFO L93 Difference]: Finished difference Result 174 states and 227 transitions. [2023-11-29 03:05:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:05:36,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-29 03:05:36,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:36,038 INFO L225 Difference]: With dead ends: 174 [2023-11-29 03:05:36,038 INFO L226 Difference]: Without dead ends: 172 [2023-11-29 03:05:36,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:36,039 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 112 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:36,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 225 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-29 03:05:36,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 147. [2023-11-29 03:05:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 139 states have internal predecessors, (183), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:36,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 191 transitions. [2023-11-29 03:05:36,051 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 191 transitions. Word has length 21 [2023-11-29 03:05:36,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:36,051 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 191 transitions. [2023-11-29 03:05:36,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:05:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2023-11-29 03:05:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 03:05:36,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:36,052 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:36,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:05:36,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:36,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:36,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1115916260, now seen corresponding path program 1 times [2023-11-29 03:05:36,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:36,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693258805] [2023-11-29 03:05:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:36,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:05:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 03:05:36,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:36,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693258805] [2023-11-29 03:05:36,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693258805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:36,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:36,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:05:36,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370446163] [2023-11-29 03:05:36,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:36,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:05:36,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:36,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:05:36,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:36,119 INFO L87 Difference]: Start difference. First operand 147 states and 191 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:05:36,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:36,206 INFO L93 Difference]: Finished difference Result 164 states and 215 transitions. [2023-11-29 03:05:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:05:36,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2023-11-29 03:05:36,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:36,208 INFO L225 Difference]: With dead ends: 164 [2023-11-29 03:05:36,208 INFO L226 Difference]: Without dead ends: 162 [2023-11-29 03:05:36,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:36,209 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 111 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:36,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 218 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:36,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-29 03:05:36,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 139. [2023-11-29 03:05:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 124 states have (on average 1.3951612903225807) internal successors, (173), 131 states have internal predecessors, (173), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2023-11-29 03:05:36,218 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 181 transitions. Word has length 27 [2023-11-29 03:05:36,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:36,218 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 181 transitions. [2023-11-29 03:05:36,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:05:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 181 transitions. [2023-11-29 03:05:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 03:05:36,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:36,220 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:36,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:05:36,220 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:36,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1087288904, now seen corresponding path program 1 times [2023-11-29 03:05:36,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:36,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495674970] [2023-11-29 03:05:36,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:36,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:05:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 03:05:36,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:36,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495674970] [2023-11-29 03:05:36,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495674970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:36,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:36,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:05:36,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103540298] [2023-11-29 03:05:36,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:36,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:05:36,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:36,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:05:36,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:36,275 INFO L87 Difference]: Start difference. First operand 139 states and 181 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:05:36,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:36,351 INFO L93 Difference]: Finished difference Result 156 states and 205 transitions. [2023-11-29 03:05:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:05:36,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2023-11-29 03:05:36,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:36,353 INFO L225 Difference]: With dead ends: 156 [2023-11-29 03:05:36,353 INFO L226 Difference]: Without dead ends: 154 [2023-11-29 03:05:36,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:36,353 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 110 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:36,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 216 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:36,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-29 03:05:36,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 129. [2023-11-29 03:05:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 116 states have (on average 1.3879310344827587) internal successors, (161), 121 states have internal predecessors, (161), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 169 transitions. [2023-11-29 03:05:36,363 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 169 transitions. Word has length 27 [2023-11-29 03:05:36,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:36,364 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 169 transitions. [2023-11-29 03:05:36,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 03:05:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 169 transitions. [2023-11-29 03:05:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 03:05:36,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:36,365 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:36,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:05:36,366 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:36,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:36,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1266699597, now seen corresponding path program 1 times [2023-11-29 03:05:36,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:36,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858692859] [2023-11-29 03:05:36,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:36,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 03:05:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 03:05:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 03:05:36,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:36,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858692859] [2023-11-29 03:05:36,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858692859] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:36,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350619682] [2023-11-29 03:05:36,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:36,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:36,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:36,477 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:36,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:05:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:36,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 03:05:36,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 03:05:36,658 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:05:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 03:05:36,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350619682] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:05:36,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:05:36,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 8] total 18 [2023-11-29 03:05:36,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023256880] [2023-11-29 03:05:36,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:05:36,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 03:05:36,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:36,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 03:05:36,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:05:36,822 INFO L87 Difference]: Start difference. First operand 129 states and 169 transitions. Second operand has 18 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 03:05:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:37,191 INFO L93 Difference]: Finished difference Result 339 states and 444 transitions. [2023-11-29 03:05:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 03:05:37,191 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) Word has length 38 [2023-11-29 03:05:37,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:37,193 INFO L225 Difference]: With dead ends: 339 [2023-11-29 03:05:37,193 INFO L226 Difference]: Without dead ends: 169 [2023-11-29 03:05:37,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=634, Unknown=0, NotChecked=0, Total=756 [2023-11-29 03:05:37,195 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 71 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:37,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 700 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:05:37,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-29 03:05:37,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 117. [2023-11-29 03:05:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 108 states have internal predecessors, (139), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2023-11-29 03:05:37,208 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 38 [2023-11-29 03:05:37,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:37,209 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2023-11-29 03:05:37,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 03:05:37,209 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2023-11-29 03:05:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-29 03:05:37,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:37,210 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:37,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:05:37,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 03:05:37,412 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:37,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:37,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1211647272, now seen corresponding path program 1 times [2023-11-29 03:05:37,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:37,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813677543] [2023-11-29 03:05:37,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:37,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 03:05:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:05:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 03:05:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:37,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813677543] [2023-11-29 03:05:37,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813677543] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:37,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543522617] [2023-11-29 03:05:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:37,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:37,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:37,531 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:37,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:05:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:37,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:05:37,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:37,647 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 03:05:37,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:05:37,761 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 03:05:37,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543522617] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:05:37,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:05:37,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-29 03:05:37,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895064064] [2023-11-29 03:05:37,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:05:37,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:05:37,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:37,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:05:37,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:05:37,764 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:05:37,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:37,982 INFO L93 Difference]: Finished difference Result 414 states and 525 transitions. [2023-11-29 03:05:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:05:37,983 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2023-11-29 03:05:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:37,985 INFO L225 Difference]: With dead ends: 414 [2023-11-29 03:05:37,985 INFO L226 Difference]: Without dead ends: 321 [2023-11-29 03:05:37,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:05:37,986 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 184 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:37,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 300 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:37,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-29 03:05:37,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 132. [2023-11-29 03:05:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 118 states have (on average 1.3305084745762712) internal successors, (157), 123 states have internal predecessors, (157), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 165 transitions. [2023-11-29 03:05:37,998 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 165 transitions. Word has length 50 [2023-11-29 03:05:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:37,998 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 165 transitions. [2023-11-29 03:05:37,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:05:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 165 transitions. [2023-11-29 03:05:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 03:05:38,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:38,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:38,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:05:38,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 03:05:38,200 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:38,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:38,201 INFO L85 PathProgramCache]: Analyzing trace with hash -436568522, now seen corresponding path program 1 times [2023-11-29 03:05:38,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:38,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95892087] [2023-11-29 03:05:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:38,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:38,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:05:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:05:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 03:05:38,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:38,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95892087] [2023-11-29 03:05:38,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95892087] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:38,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953559135] [2023-11-29 03:05:38,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:38,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:38,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:38,364 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:38,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:05:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:38,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:05:38,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 03:05:38,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:05:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 03:05:38,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953559135] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:05:38,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:05:38,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 6] total 13 [2023-11-29 03:05:38,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092334669] [2023-11-29 03:05:38,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:05:38,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 03:05:38,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:38,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 03:05:38,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:05:38,648 INFO L87 Difference]: Start difference. First operand 132 states and 165 transitions. Second operand has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 03:05:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:39,147 INFO L93 Difference]: Finished difference Result 268 states and 336 transitions. [2023-11-29 03:05:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 03:05:39,147 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) Word has length 55 [2023-11-29 03:05:39,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:39,149 INFO L225 Difference]: With dead ends: 268 [2023-11-29 03:05:39,149 INFO L226 Difference]: Without dead ends: 170 [2023-11-29 03:05:39,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2023-11-29 03:05:39,150 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 200 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:39,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 515 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:05:39,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-29 03:05:39,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 136. [2023-11-29 03:05:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 127 states have internal predecessors, (158), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 166 transitions. [2023-11-29 03:05:39,166 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 166 transitions. Word has length 55 [2023-11-29 03:05:39,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:39,167 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 166 transitions. [2023-11-29 03:05:39,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 03:05:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 166 transitions. [2023-11-29 03:05:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 03:05:39,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:39,168 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:39,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 03:05:39,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 03:05:39,374 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:39,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1209689350, now seen corresponding path program 1 times [2023-11-29 03:05:39,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:39,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69434353] [2023-11-29 03:05:39,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:39,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:05:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:05:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,561 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 03:05:39,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:39,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69434353] [2023-11-29 03:05:39,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69434353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:39,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:39,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 03:05:39,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804712448] [2023-11-29 03:05:39,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:39,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:05:39,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:39,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:05:39,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:05:39,563 INFO L87 Difference]: Start difference. First operand 136 states and 166 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:39,639 INFO L93 Difference]: Finished difference Result 177 states and 211 transitions. [2023-11-29 03:05:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:05:39,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2023-11-29 03:05:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:39,641 INFO L225 Difference]: With dead ends: 177 [2023-11-29 03:05:39,641 INFO L226 Difference]: Without dead ends: 138 [2023-11-29 03:05:39,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:05:39,642 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 5 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:39,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 434 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:39,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-29 03:05:39,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2023-11-29 03:05:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 122 states have (on average 1.278688524590164) internal successors, (156), 127 states have internal predecessors, (156), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:05:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2023-11-29 03:05:39,657 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 57 [2023-11-29 03:05:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:39,657 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2023-11-29 03:05:39,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2023-11-29 03:05:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 03:05:39,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:39,658 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:39,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:05:39,658 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:39,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash 224856491, now seen corresponding path program 2 times [2023-11-29 03:05:39,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:39,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875706357] [2023-11-29 03:05:39,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:05:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:05:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 03:05:39,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:39,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875706357] [2023-11-29 03:05:39,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875706357] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:39,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867837134] [2023-11-29 03:05:39,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:05:39,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:39,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:39,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:39,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:05:39,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:05:39,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:05:39,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 03:05:39,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 03:05:40,066 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:40,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867837134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:40,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:40,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 11 [2023-11-29 03:05:40,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134367747] [2023-11-29 03:05:40,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:40,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:05:40,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:40,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:05:40,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:05:40,068 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:40,269 INFO L93 Difference]: Finished difference Result 222 states and 254 transitions. [2023-11-29 03:05:40,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:05:40,270 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 61 [2023-11-29 03:05:40,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:40,271 INFO L225 Difference]: With dead ends: 222 [2023-11-29 03:05:40,271 INFO L226 Difference]: Without dead ends: 200 [2023-11-29 03:05:40,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:05:40,273 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 118 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:40,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 635 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:40,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-11-29 03:05:40,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 148. [2023-11-29 03:05:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 133 states have (on average 1.2706766917293233) internal successors, (169), 138 states have internal predecessors, (169), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-29 03:05:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 178 transitions. [2023-11-29 03:05:40,290 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 178 transitions. Word has length 61 [2023-11-29 03:05:40,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:40,290 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 178 transitions. [2023-11-29 03:05:40,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2023-11-29 03:05:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 03:05:40,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:40,291 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:40,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:05:40,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 03:05:40,492 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:40,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:40,492 INFO L85 PathProgramCache]: Analyzing trace with hash 925921069, now seen corresponding path program 1 times [2023-11-29 03:05:40,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:40,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74383925] [2023-11-29 03:05:40,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:40,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:05:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:05:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 03:05:40,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:40,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74383925] [2023-11-29 03:05:40,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74383925] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:40,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406728930] [2023-11-29 03:05:40,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:40,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:40,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:40,713 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:40,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:05:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:40,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 03:05:40,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:05:40,970 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:40,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406728930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:40,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:40,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2023-11-29 03:05:40,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424263102] [2023-11-29 03:05:40,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:40,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 03:05:40,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:40,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 03:05:40,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:05:40,972 INFO L87 Difference]: Start difference. First operand 148 states and 178 transitions. Second operand has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:41,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:41,122 INFO L93 Difference]: Finished difference Result 262 states and 299 transitions. [2023-11-29 03:05:41,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:05:41,122 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2023-11-29 03:05:41,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:41,124 INFO L225 Difference]: With dead ends: 262 [2023-11-29 03:05:41,124 INFO L226 Difference]: Without dead ends: 245 [2023-11-29 03:05:41,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:05:41,126 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 136 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:41,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 674 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-11-29 03:05:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 167. [2023-11-29 03:05:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 150 states have (on average 1.26) internal successors, (189), 155 states have internal predecessors, (189), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-29 03:05:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 202 transitions. [2023-11-29 03:05:41,142 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 202 transitions. Word has length 61 [2023-11-29 03:05:41,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:41,142 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 202 transitions. [2023-11-29 03:05:41,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 202 transitions. [2023-11-29 03:05:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 03:05:41,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:41,143 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:41,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:05:41,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 03:05:41,349 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:41,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:41,349 INFO L85 PathProgramCache]: Analyzing trace with hash 32026706, now seen corresponding path program 1 times [2023-11-29 03:05:41,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:41,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888032576] [2023-11-29 03:05:41,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:41,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:05:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:41,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:05:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 03:05:41,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:41,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888032576] [2023-11-29 03:05:41,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888032576] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:41,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007672981] [2023-11-29 03:05:41,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:41,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:41,541 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:41,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:05:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:41,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-29 03:05:41,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:05:41,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:41,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007672981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:41,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:41,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 13 [2023-11-29 03:05:41,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720608742] [2023-11-29 03:05:41,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:41,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:05:41,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:41,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:05:41,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:05:41,737 INFO L87 Difference]: Start difference. First operand 167 states and 202 transitions. Second operand has 12 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:41,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:41,942 INFO L93 Difference]: Finished difference Result 249 states and 286 transitions. [2023-11-29 03:05:41,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:05:41,942 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 62 [2023-11-29 03:05:41,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:41,944 INFO L225 Difference]: With dead ends: 249 [2023-11-29 03:05:41,944 INFO L226 Difference]: Without dead ends: 218 [2023-11-29 03:05:41,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:05:41,945 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 126 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:41,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 656 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:41,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-29 03:05:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 167. [2023-11-29 03:05:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 150 states have (on average 1.2466666666666666) internal successors, (187), 155 states have internal predecessors, (187), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-29 03:05:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 200 transitions. [2023-11-29 03:05:41,964 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 200 transitions. Word has length 62 [2023-11-29 03:05:41,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:41,964 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 200 transitions. [2023-11-29 03:05:41,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:41,965 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 200 transitions. [2023-11-29 03:05:41,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 03:05:41,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:41,966 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:41,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 03:05:42,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:42,167 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:42,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:42,167 INFO L85 PathProgramCache]: Analyzing trace with hash 406079667, now seen corresponding path program 1 times [2023-11-29 03:05:42,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:42,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247258551] [2023-11-29 03:05:42,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:42,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:42,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:42,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:42,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:05:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:05:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 03:05:42,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:42,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247258551] [2023-11-29 03:05:42,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247258551] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:42,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984040667] [2023-11-29 03:05:42,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:42,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:42,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:42,298 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:42,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:05:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:42,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 03:05:42,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:05:42,541 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:42,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984040667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:42,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:42,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2023-11-29 03:05:42,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630247594] [2023-11-29 03:05:42,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:42,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:05:42,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:42,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:05:42,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:05:42,543 INFO L87 Difference]: Start difference. First operand 167 states and 200 transitions. Second operand has 11 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:42,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:42,767 INFO L93 Difference]: Finished difference Result 218 states and 253 transitions. [2023-11-29 03:05:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:05:42,768 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 63 [2023-11-29 03:05:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:42,769 INFO L225 Difference]: With dead ends: 218 [2023-11-29 03:05:42,769 INFO L226 Difference]: Without dead ends: 215 [2023-11-29 03:05:42,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2023-11-29 03:05:42,770 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 108 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:42,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 536 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:05:42,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-11-29 03:05:42,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 178. [2023-11-29 03:05:42,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 161 states have (on average 1.2422360248447204) internal successors, (200), 166 states have internal predecessors, (200), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-29 03:05:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 213 transitions. [2023-11-29 03:05:42,784 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 213 transitions. Word has length 63 [2023-11-29 03:05:42,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:42,784 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 213 transitions. [2023-11-29 03:05:42,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:42,784 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 213 transitions. [2023-11-29 03:05:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 03:05:42,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:42,785 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:42,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 03:05:42,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:42,986 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:42,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:42,986 INFO L85 PathProgramCache]: Analyzing trace with hash -296432012, now seen corresponding path program 1 times [2023-11-29 03:05:42,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:42,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690930867] [2023-11-29 03:05:42,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:42,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:05:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:05:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 03:05:43,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:43,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690930867] [2023-11-29 03:05:43,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690930867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:43,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:43,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:05:43,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608911536] [2023-11-29 03:05:43,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:43,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:05:43,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:43,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:05:43,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:43,272 INFO L87 Difference]: Start difference. First operand 178 states and 213 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:43,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:43,327 INFO L93 Difference]: Finished difference Result 178 states and 213 transitions. [2023-11-29 03:05:43,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:05:43,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 64 [2023-11-29 03:05:43,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:43,329 INFO L225 Difference]: With dead ends: 178 [2023-11-29 03:05:43,329 INFO L226 Difference]: Without dead ends: 170 [2023-11-29 03:05:43,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:43,330 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 16 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:43,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 225 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:43,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-29 03:05:43,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2023-11-29 03:05:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 155 states have (on average 1.2258064516129032) internal successors, (190), 158 states have internal predecessors, (190), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-29 03:05:43,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 203 transitions. [2023-11-29 03:05:43,345 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 203 transitions. Word has length 64 [2023-11-29 03:05:43,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:43,346 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 203 transitions. [2023-11-29 03:05:43,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:43,346 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 203 transitions. [2023-11-29 03:05:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 03:05:43,347 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:43,347 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:43,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:05:43,348 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:43,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:43,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1403315562, now seen corresponding path program 1 times [2023-11-29 03:05:43,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:43,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800623724] [2023-11-29 03:05:43,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:43,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 03:05:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 03:05:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 03:05:43,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:43,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800623724] [2023-11-29 03:05:43,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800623724] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:43,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84600944] [2023-11-29 03:05:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:43,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:43,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:43,511 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:43,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 03:05:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:43,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:05:43,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 03:05:43,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:43,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84600944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:43,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:43,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2023-11-29 03:05:43,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823364163] [2023-11-29 03:05:43,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:43,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:05:43,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:43,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:05:43,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:05:43,746 INFO L87 Difference]: Start difference. First operand 170 states and 203 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:44,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:44,030 INFO L93 Difference]: Finished difference Result 359 states and 432 transitions. [2023-11-29 03:05:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:05:44,031 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 66 [2023-11-29 03:05:44,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:44,032 INFO L225 Difference]: With dead ends: 359 [2023-11-29 03:05:44,033 INFO L226 Difference]: Without dead ends: 222 [2023-11-29 03:05:44,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:05:44,034 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 33 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:44,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 268 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:05:44,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-29 03:05:44,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 170. [2023-11-29 03:05:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 155 states have (on average 1.2193548387096773) internal successors, (189), 158 states have internal predecessors, (189), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-29 03:05:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 202 transitions. [2023-11-29 03:05:44,047 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 202 transitions. Word has length 66 [2023-11-29 03:05:44,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:44,047 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 202 transitions. [2023-11-29 03:05:44,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 202 transitions. [2023-11-29 03:05:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-29 03:05:44,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:44,049 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:44,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 03:05:44,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:44,249 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:44,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:44,250 INFO L85 PathProgramCache]: Analyzing trace with hash -926368838, now seen corresponding path program 1 times [2023-11-29 03:05:44,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:44,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400576728] [2023-11-29 03:05:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:44,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:05:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:05:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 03:05:44,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:44,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400576728] [2023-11-29 03:05:44,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400576728] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:44,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019326762] [2023-11-29 03:05:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:44,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:44,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:44,500 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:44,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 03:05:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:44,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 03:05:44,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 03:05:44,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:05:44,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019326762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:44,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:05:44,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 16 [2023-11-29 03:05:44,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786151056] [2023-11-29 03:05:44,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:44,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 03:05:44,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:44,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 03:05:44,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:05:44,837 INFO L87 Difference]: Start difference. First operand 170 states and 202 transitions. Second operand has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:45,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:45,096 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2023-11-29 03:05:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:05:45,097 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 71 [2023-11-29 03:05:45,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:45,098 INFO L225 Difference]: With dead ends: 201 [2023-11-29 03:05:45,098 INFO L226 Difference]: Without dead ends: 179 [2023-11-29 03:05:45,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2023-11-29 03:05:45,099 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 100 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:45,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 555 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:05:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-29 03:05:45,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 149. [2023-11-29 03:05:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 134 states have (on average 1.2462686567164178) internal successors, (167), 138 states have internal predecessors, (167), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 03:05:45,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 179 transitions. [2023-11-29 03:05:45,135 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 179 transitions. Word has length 71 [2023-11-29 03:05:45,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:45,135 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 179 transitions. [2023-11-29 03:05:45,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 03:05:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 179 transitions. [2023-11-29 03:05:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 03:05:45,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:45,137 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:45,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 03:05:45,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:45,337 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:45,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:45,338 INFO L85 PathProgramCache]: Analyzing trace with hash 966947266, now seen corresponding path program 1 times [2023-11-29 03:05:45,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:45,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921099822] [2023-11-29 03:05:45,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:45,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:05:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:05:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 03:05:45,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:45,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921099822] [2023-11-29 03:05:45,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921099822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:45,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:45,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:05:45,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401900872] [2023-11-29 03:05:45,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:45,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:05:45,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:45,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:05:45,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:05:45,403 INFO L87 Difference]: Start difference. First operand 149 states and 179 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:45,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:45,449 INFO L93 Difference]: Finished difference Result 233 states and 281 transitions. [2023-11-29 03:05:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:05:45,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 72 [2023-11-29 03:05:45,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:45,451 INFO L225 Difference]: With dead ends: 233 [2023-11-29 03:05:45,451 INFO L226 Difference]: Without dead ends: 153 [2023-11-29 03:05:45,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:05:45,453 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:45,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 126 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:45,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-29 03:05:45,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 145. [2023-11-29 03:05:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 130 states have (on average 1.2384615384615385) internal successors, (161), 134 states have internal predecessors, (161), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 03:05:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 173 transitions. [2023-11-29 03:05:45,467 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 173 transitions. Word has length 72 [2023-11-29 03:05:45,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:45,467 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 173 transitions. [2023-11-29 03:05:45,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 173 transitions. [2023-11-29 03:05:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 03:05:45,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:45,468 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:45,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 03:05:45,469 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:45,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:45,469 INFO L85 PathProgramCache]: Analyzing trace with hash 832933760, now seen corresponding path program 1 times [2023-11-29 03:05:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:45,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947424546] [2023-11-29 03:05:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:45,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:05:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:05:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-29 03:05:45,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947424546] [2023-11-29 03:05:45,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947424546] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:05:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975424662] [2023-11-29 03:05:45,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:45,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:45,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:05:45,631 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:05:45,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 03:05:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:45,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 03:05:45,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:05:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-29 03:05:45,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:05:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-29 03:05:46,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975424662] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:05:46,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:05:46,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 9] total 14 [2023-11-29 03:05:46,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067426844] [2023-11-29 03:05:46,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:05:46,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:05:46,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:46,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:05:46,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:05:46,044 INFO L87 Difference]: Start difference. First operand 145 states and 173 transitions. Second operand has 14 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-29 03:05:46,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:46,177 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2023-11-29 03:05:46,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:05:46,178 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2023-11-29 03:05:46,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:46,179 INFO L225 Difference]: With dead ends: 199 [2023-11-29 03:05:46,179 INFO L226 Difference]: Without dead ends: 175 [2023-11-29 03:05:46,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:05:46,181 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 135 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:46,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 666 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:05:46,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-29 03:05:46,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 151. [2023-11-29 03:05:46,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 139 states have internal predecessors, (168), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 03:05:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 180 transitions. [2023-11-29 03:05:46,196 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 180 transitions. Word has length 72 [2023-11-29 03:05:46,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:46,196 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 180 transitions. [2023-11-29 03:05:46,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-29 03:05:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 180 transitions. [2023-11-29 03:05:46,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 03:05:46,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:46,197 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:46,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 03:05:46,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:05:46,398 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:46,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:46,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1533998338, now seen corresponding path program 1 times [2023-11-29 03:05:46,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:46,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776180521] [2023-11-29 03:05:46,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:46,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:05:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:05:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-29 03:05:46,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:46,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776180521] [2023-11-29 03:05:46,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776180521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:46,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:46,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:05:46,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999893452] [2023-11-29 03:05:46,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:46,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:05:46,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:46,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:05:46,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:46,772 INFO L87 Difference]: Start difference. First operand 151 states and 180 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:46,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:46,820 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2023-11-29 03:05:46,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:05:46,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 72 [2023-11-29 03:05:46,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:46,822 INFO L225 Difference]: With dead ends: 151 [2023-11-29 03:05:46,822 INFO L226 Difference]: Without dead ends: 144 [2023-11-29 03:05:46,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:46,823 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 24 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:46,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 172 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-29 03:05:46,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2023-11-29 03:05:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 131 states have (on average 1.2290076335877862) internal successors, (161), 132 states have internal predecessors, (161), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 03:05:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 173 transitions. [2023-11-29 03:05:46,836 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 173 transitions. Word has length 72 [2023-11-29 03:05:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:46,836 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 173 transitions. [2023-11-29 03:05:46,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 173 transitions. [2023-11-29 03:05:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 03:05:46,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:46,838 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:46,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:05:46,838 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:46,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:46,838 INFO L85 PathProgramCache]: Analyzing trace with hash 998626660, now seen corresponding path program 1 times [2023-11-29 03:05:46,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:46,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858299825] [2023-11-29 03:05:46,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:46,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:05:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:05:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-29 03:05:46,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:46,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858299825] [2023-11-29 03:05:46,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858299825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:46,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:46,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:05:46,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208889489] [2023-11-29 03:05:46,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:46,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:05:46,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:46,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:05:46,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:05:46,913 INFO L87 Difference]: Start difference. First operand 144 states and 173 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:46,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:46,944 INFO L93 Difference]: Finished difference Result 144 states and 173 transitions. [2023-11-29 03:05:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:05:46,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 74 [2023-11-29 03:05:46,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:46,945 INFO L225 Difference]: With dead ends: 144 [2023-11-29 03:05:46,945 INFO L226 Difference]: Without dead ends: 143 [2023-11-29 03:05:46,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:05:46,946 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 171 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 [2023-11-29 03:05:46,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 171 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:46,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-29 03:05:46,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-11-29 03:05:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 131 states have internal predecessors, (160), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 03:05:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 172 transitions. [2023-11-29 03:05:46,959 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 172 transitions. Word has length 74 [2023-11-29 03:05:46,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:46,960 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 172 transitions. [2023-11-29 03:05:46,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 172 transitions. [2023-11-29 03:05:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 03:05:46,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:05:46,961 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:46,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 03:05:46,962 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 03:05:46,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:05:46,962 INFO L85 PathProgramCache]: Analyzing trace with hash 892655591, now seen corresponding path program 1 times [2023-11-29 03:05:46,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:05:46,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269223625] [2023-11-29 03:05:46,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:05:46,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:05:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 03:05:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 03:05:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 03:05:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 03:05:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:05:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-29 03:05:47,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:05:47,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269223625] [2023-11-29 03:05:47,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269223625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:05:47,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:05:47,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:05:47,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72398220] [2023-11-29 03:05:47,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:05:47,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:05:47,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:05:47,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:05:47,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:05:47,401 INFO L87 Difference]: Start difference. First operand 143 states and 172 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:47,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:05:47,451 INFO L93 Difference]: Finished difference Result 143 states and 172 transitions. [2023-11-29 03:05:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:05:47,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 75 [2023-11-29 03:05:47,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:05:47,452 INFO L225 Difference]: With dead ends: 143 [2023-11-29 03:05:47,452 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 03:05:47,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:05:47,453 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 19 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:05:47,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 209 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:05:47,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 03:05:47,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 03:05:47,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:05:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 03:05:47,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2023-11-29 03:05:47,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:05:47,454 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:05:47,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 03:05:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:05:47,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 03:05:47,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2023-11-29 03:05:47,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2023-11-29 03:05:47,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2023-11-29 03:05:47,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2023-11-29 03:05:47,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2023-11-29 03:05:47,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2023-11-29 03:05:47,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2023-11-29 03:05:47,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2023-11-29 03:05:47,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2023-11-29 03:05:47,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2023-11-29 03:05:47,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2023-11-29 03:05:47,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2023-11-29 03:05:47,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2023-11-29 03:05:47,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2023-11-29 03:05:47,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2023-11-29 03:05:47,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2023-11-29 03:05:47,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 03:05:47,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 03:05:48,854 INFO L899 garLoopResultBuilder]: For program point base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-29 03:05:48,855 INFO L899 garLoopResultBuilder]: For program point base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2023-11-29 03:05:48,855 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-11-29 03:05:48,855 INFO L899 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2023-11-29 03:05:48,855 INFO L899 garLoopResultBuilder]: For program point L77-2(line 77) no Hoare annotation was computed. [2023-11-29 03:05:48,855 INFO L899 garLoopResultBuilder]: For program point L77-4(line 77) no Hoare annotation was computed. [2023-11-29 03:05:48,855 INFO L899 garLoopResultBuilder]: For program point L77-6(line 77) no Hoare annotation was computed. [2023-11-29 03:05:48,856 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 57 72) the Hoare annotation is: (and (or (< 0 (mod |base2flt_#in~m| 4294967296)) (not (= |base2flt_#in~e| 0))) (or (< 127 |base2flt_#in~e|) (< (+ 128 |base2flt_#in~e|) 0) (let ((.cse0 (not (= |base2flt_#in~m| 0)))) (and (<= |base2flt_#in~e| base2flt_~e) (or (< (mod base2flt_~__retres4~0 4294967296) 1) .cse0) (<= base2flt_~e 127) (or .cse0 (< (mod |base2flt_#res| 4294967296) 1)) (not (= |base2flt_#in~m| 1)))))) [2023-11-29 03:05:48,856 INFO L899 garLoopResultBuilder]: For program point $Ultimate##27(line 76) no Hoare annotation was computed. [2023-11-29 03:05:48,856 INFO L899 garLoopResultBuilder]: For program point base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2023-11-29 03:05:48,856 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-29 03:05:48,856 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-29 03:05:48,856 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-11-29 03:05:48,857 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2023-11-29 03:05:48,857 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 34) no Hoare annotation was computed. [2023-11-29 03:05:48,857 INFO L899 garLoopResultBuilder]: For program point L58(lines 57 72) no Hoare annotation was computed. [2023-11-29 03:05:48,857 INFO L899 garLoopResultBuilder]: For program point base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2023-11-29 03:05:48,857 INFO L899 garLoopResultBuilder]: For program point L79(lines 28 81) no Hoare annotation was computed. [2023-11-29 03:05:48,857 INFO L899 garLoopResultBuilder]: For program point base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2023-11-29 03:05:48,857 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 24 82) the Hoare annotation is: true [2023-11-29 03:05:48,857 INFO L899 garLoopResultBuilder]: For program point L38(lines 37 52) no Hoare annotation was computed. [2023-11-29 03:05:48,857 INFO L899 garLoopResultBuilder]: For program point L59(lines 57 72) no Hoare annotation was computed. [2023-11-29 03:05:48,858 INFO L899 garLoopResultBuilder]: For program point base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-29 03:05:48,858 INFO L899 garLoopResultBuilder]: For program point base2fltEXIT(lines 24 82) no Hoare annotation was computed. [2023-11-29 03:05:48,858 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 51) no Hoare annotation was computed. [2023-11-29 03:05:48,858 INFO L895 garLoopResultBuilder]: At program point L47-1(lines 37 52) the Hoare annotation is: (let ((.cse0 (not (= |base2flt_#in~e| 0))) (.cse4 (<= base2flt_~m 33554430)) (.cse5 (<= 0 base2flt_~m)) (.cse1 (< 127 |base2flt_#in~e|)) (.cse3 (= base2flt_~m |base2flt_#in~m|)) (.cse2 (< (+ 128 |base2flt_#in~e|) 0))) (and (or (< 0 (mod |base2flt_#in~m| 4294967296)) .cse0) (or .cse1 .cse2 (<= base2flt_~e 127)) (or (and .cse3 (= base2flt_~e 0)) (and (<= (+ base2flt_~e 1) 0) .cse4 .cse5 (<= 0 (+ 2147483649 base2flt_~e))) .cse0) (let ((.cse9 (not (= |base2flt_#in~m| 0)))) (let ((.cse6 (<= base2flt_~m (+ 16777215 (* (div base2flt_~m 4294967296) 4294967296)))) (.cse7 (or (< (mod base2flt_~__retres4~0 4294967296) 1) .cse9)) (.cse8 (or .cse9 (< (mod |base2flt_#res| 4294967296) 1)))) (or (and .cse6 .cse7 .cse4 .cse5 .cse8) .cse1 (and .cse3 .cse6 .cse7 .cse8) .cse2))))) [2023-11-29 03:05:48,858 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2023-11-29 03:05:48,858 INFO L899 garLoopResultBuilder]: For program point L76-3(line 76) no Hoare annotation was computed. [2023-11-29 03:05:48,858 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 75) no Hoare annotation was computed. [2023-11-29 03:05:48,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 175) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point L176-2(line 176) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point L176-4(line 176) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 178) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point L201-1(line 201) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 172) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2023-11-29 03:05:48,859 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 252) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point L243-2(lines 243 252) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point L177-1(line 177) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 201) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 264) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 260 264) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 172) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point L194-2(lines 194 211) no Hoare annotation was computed. [2023-11-29 03:05:48,860 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 201) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 208) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 200) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 184) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 250) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L213(line 213) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L213-2(line 213) no Hoare annotation was computed. [2023-11-29 03:05:48,861 INFO L899 garLoopResultBuilder]: For program point L213-4(line 213) no Hoare annotation was computed. [2023-11-29 03:05:48,862 INFO L895 garLoopResultBuilder]: At program point L238(line 238) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~eb~2#1| 127) (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128)) (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128)) (<= |ULTIMATE.start_main_~ea~2#1| 127)) [2023-11-29 03:05:48,862 INFO L899 garLoopResultBuilder]: For program point L238-1(line 238) no Hoare annotation was computed. [2023-11-29 03:05:48,862 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-11-29 03:05:48,862 INFO L899 garLoopResultBuilder]: For program point L172-1(line 172) no Hoare annotation was computed. [2023-11-29 03:05:48,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 177) no Hoare annotation was computed. [2023-11-29 03:05:48,862 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-11-29 03:05:48,862 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2023-11-29 03:05:48,863 INFO L899 garLoopResultBuilder]: For program point L214-4(line 214) no Hoare annotation was computed. [2023-11-29 03:05:48,863 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~eb~2#1| 127) (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128)) (= |ULTIMATE.start_main_~zero~0#1| 0) (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128)) (<= |ULTIMATE.start_main_~ea~2#1| 127)) [2023-11-29 03:05:48,863 INFO L899 garLoopResultBuilder]: For program point L239-1(line 239) no Hoare annotation was computed. [2023-11-29 03:05:48,863 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-11-29 03:05:48,863 INFO L899 garLoopResultBuilder]: For program point L173-2(line 173) no Hoare annotation was computed. [2023-11-29 03:05:48,863 INFO L899 garLoopResultBuilder]: For program point L173-4(line 173) no Hoare annotation was computed. [2023-11-29 03:05:48,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 03:05:48,863 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 272) no Hoare annotation was computed. [2023-11-29 03:05:48,863 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 256 272) no Hoare annotation was computed. [2023-11-29 03:05:48,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 177) no Hoare annotation was computed. [2023-11-29 03:05:48,864 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~eb~2#1| 127) (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128)) (= |ULTIMATE.start_main_~zero~0#1| 0) (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128)) (<= |ULTIMATE.start_main_~ea~2#1| 127)) [2023-11-29 03:05:48,864 INFO L899 garLoopResultBuilder]: For program point L240-1(line 240) no Hoare annotation was computed. [2023-11-29 03:05:48,864 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 266) no Hoare annotation was computed. [2023-11-29 03:05:48,864 INFO L902 garLoopResultBuilder]: At program point L257-2(lines 257 266) the Hoare annotation is: true [2023-11-29 03:05:48,864 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 164) no Hoare annotation was computed. [2023-11-29 03:05:48,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 175) no Hoare annotation was computed. [2023-11-29 03:05:48,865 INFO L899 garLoopResultBuilder]: For program point L158-2(lines 157 218) no Hoare annotation was computed. [2023-11-29 03:05:48,865 INFO L899 garLoopResultBuilder]: For program point L216(lines 157 218) no Hoare annotation was computed. [2023-11-29 03:05:48,865 INFO L895 garLoopResultBuilder]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~eb~2#1| 127)) (.cse1 (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128))) (.cse2 (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128))) (.cse3 (<= |ULTIMATE.start_main_~ea~2#1| 127))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~zero~0#1| 0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_main_~a~0#1| 0) .cse2 .cse3))) [2023-11-29 03:05:48,865 INFO L899 garLoopResultBuilder]: For program point L241-1(line 241) no Hoare annotation was computed. [2023-11-29 03:05:48,865 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-11-29 03:05:48,865 INFO L899 garLoopResultBuilder]: For program point L175-1(line 175) no Hoare annotation was computed. [2023-11-29 03:05:48,866 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 178) no Hoare annotation was computed. [2023-11-29 03:05:48,866 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 18) no Hoare annotation was computed. [2023-11-29 03:05:48,866 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 15 20) no Hoare annotation was computed. [2023-11-29 03:05:48,866 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 15 20) no Hoare annotation was computed. [2023-11-29 03:05:48,866 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 20) the Hoare annotation is: true [2023-11-29 03:05:48,869 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:05:48,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:05:48,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:05:48 BoogieIcfgContainer [2023-11-29 03:05:48,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:05:48,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:05:48,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:05:48,886 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:05:48,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:05:33" (3/4) ... [2023-11-29 03:05:48,889 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:05:48,892 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure base2flt [2023-11-29 03:05:48,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-29 03:05:48,900 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-29 03:05:48,901 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 03:05:48,901 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:05:48,902 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:05:48,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (e <= 127))) && ((((m == \old(m)) && (e == 0)) || (((((e + 1) <= 0) && (m <= 33554430)) && (0 <= m)) && (0 <= (2147483649 + e)))) || !((\old(e) == 0)))) && ((((((((m <= (16777215 + ((m / 4294967296) * 4294967296))) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (m <= 33554430)) && (0 <= m)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) || (127 < \old(e))) || ((((m == \old(m)) && (m <= (16777215 + ((m / 4294967296) * 4294967296)))) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1)))) || ((128 + \old(e)) < 0))) [2023-11-29 03:05:48,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (((((\old(e) <= e) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (e <= 127)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) && !((\old(m) == 1))))) [2023-11-29 03:05:48,959 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (e <= 127))) && ((((m == \old(m)) && (e == 0)) || (((((e + 1) <= 0) && (m <= 33554430)) && (0 <= m)) && (0 <= (2147483649 + e)))) || !((\old(e) == 0)))) && ((((((((m <= (16777215 + ((m / 4294967296) * 4294967296))) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (m <= 33554430)) && (0 <= m)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) || (127 < \old(e))) || ((((m == \old(m)) && (m <= (16777215 + ((m / 4294967296) * 4294967296)))) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1)))) || ((128 + \old(e)) < 0))) [2023-11-29 03:05:48,959 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (((((\old(e) <= e) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (e <= 127)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) && !((\old(m) == 1))))) [2023-11-29 03:05:49,004 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:05:49,005 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:05:49,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:05:49,006 INFO L158 Benchmark]: Toolchain (without parser) took 16646.49ms. Allocated memory was 144.7MB in the beginning and 262.1MB in the end (delta: 117.4MB). Free memory was 104.6MB in the beginning and 148.0MB in the end (delta: -43.4MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2023-11-29 03:05:49,006 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:05:49,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.67ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 90.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:05:49,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.41ms. Allocated memory is still 144.7MB. Free memory was 90.7MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:05:49,007 INFO L158 Benchmark]: Boogie Preprocessor took 41.20ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:05:49,007 INFO L158 Benchmark]: RCFGBuilder took 534.00ms. Allocated memory was 144.7MB in the beginning and 218.1MB in the end (delta: 73.4MB). Free memory was 86.6MB in the beginning and 184.8MB in the end (delta: -98.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-29 03:05:49,008 INFO L158 Benchmark]: TraceAbstraction took 15630.90ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 183.7MB in the beginning and 154.3MB in the end (delta: 29.4MB). Peak memory consumption was 154.3MB. Max. memory is 16.1GB. [2023-11-29 03:05:49,008 INFO L158 Benchmark]: Witness Printer took 119.04ms. Allocated memory is still 262.1MB. Free memory was 154.3MB in the beginning and 148.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:05:49,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.67ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 90.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.41ms. Allocated memory is still 144.7MB. Free memory was 90.7MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.20ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.00ms. Allocated memory was 144.7MB in the beginning and 218.1MB in the end (delta: 73.4MB). Free memory was 86.6MB in the beginning and 184.8MB in the end (delta: -98.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15630.90ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 183.7MB in the beginning and 154.3MB in the end (delta: 29.4MB). Peak memory consumption was 154.3MB. Max. memory is 16.1GB. * Witness Printer took 119.04ms. Allocated memory is still 262.1MB. Free memory was 154.3MB in the beginning and 148.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 175]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 175]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 177]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 177]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 178]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 178]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 201]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 201]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 94 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 28, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2028 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2014 mSDsluCounter, 9317 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7280 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2738 IncrementalHoareTripleChecker+Invalid, 2873 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 2037 mSDtfsCounter, 2738 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1190 GetRequests, 961 SyntacticMatches, 2 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=20, InterpolantAutomatonStates: 198, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 28 MinimizatonAttempts, 807 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 76 PreInvPairs, 92 NumberOfFragments, 282 HoareAnnotationTreeSize, 76 FomulaSimplifications, 2830 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2301 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1860 NumberOfCodeBlocks, 1825 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 2030 ConstructedInterpolants, 3 QuantifiedInterpolants, 4218 SizeOfPredicates, 57 NumberOfNonLiveVariables, 1828 ConjunctsInSsa, 224 ConjunctsInUnsatCore, 45 InterpolantComputations, 24 PerfectInterpolantSequences, 905/1020 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: (((((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (e <= 127))) && ((((m == \old(m)) && (e == 0)) || (((((e + 1) <= 0) && (m <= 33554430)) && (0 <= m)) && (0 <= (2147483649 + e)))) || !((\old(e) == 0)))) && ((((((((m <= (16777215 + ((m / 4294967296) * 4294967296))) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (m <= 33554430)) && (0 <= m)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) || (127 < \old(e))) || ((((m == \old(m)) && (m <= (16777215 + ((m / 4294967296) * 4294967296)))) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1)))) || ((128 + \old(e)) < 0))) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (((((\old(e) <= e) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (e <= 127)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) && !((\old(m) == 1))))) RESULT: Ultimate proved your program to be correct! [2023-11-29 03:05:49,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5507df0b-8564-4137-b8d5-36891e64a110/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE