./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx --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 db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:29:24,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:29:24,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:29:24,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:29:24,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:29:24,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:29:24,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:29:24,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:29:24,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:29:24,198 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:29:24,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:29:24,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:29:24,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:29:24,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:29:24,204 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:29:24,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:29:24,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:29:24,205 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:29:24,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:29:24,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:29:24,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:29:24,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:29:24,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:29:24,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:29:24,208 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:29:24,208 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:29:24,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:29:24,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:29:24,209 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:29:24,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:29:24,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:29:24,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:29:24,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:29:24,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:24,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:29:24,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:29:24,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:29:24,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:29:24,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:29:24,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:29:24,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:29:24,213 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:29:24,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:29:24,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:29:24,214 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_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c [2023-11-21 22:29:24,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:29:24,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:29:24,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:29:24,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:29:24,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:29:24,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/bitvector/byte_add_1-2.i [2023-11-21 22:29:27,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:29:27,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:29:27,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/sv-benchmarks/c/bitvector/byte_add_1-2.i [2023-11-21 22:29:27,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/data/6b26ac1c5/96f0790b5743403aac44b960b94962ef/FLAGc9b27a78a [2023-11-21 22:29:27,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/data/6b26ac1c5/96f0790b5743403aac44b960b94962ef [2023-11-21 22:29:27,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:29:27,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:29:27,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:27,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:29:27,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:29:27,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:27" (1/1) ... [2023-11-21 22:29:27,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17695638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:27, skipping insertion in model container [2023-11-21 22:29:27,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:29:27" (1/1) ... [2023-11-21 22:29:27,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:29:28,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:28,105 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:29:28,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:29:28,175 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:29:28,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28 WrapperNode [2023-11-21 22:29:28,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:29:28,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:28,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:29:28,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:29:28,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,252 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 197 [2023-11-21 22:29:28,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:29:28,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:29:28,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:29:28,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:29:28,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,270 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,285 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:29:28,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:29:28,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:29:28,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:29:28,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:29:28,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (1/1) ... [2023-11-21 22:29:28,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:29:28,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:28,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:28,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:29:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:29:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:29:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:29:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:29:28,525 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:29:28,527 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:29:29,082 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:29:29,279 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:29:29,280 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:29:29,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:29 BoogieIcfgContainer [2023-11-21 22:29:29,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:29:29,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:29:29,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:29:29,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:29:29,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:29:27" (1/3) ... [2023-11-21 22:29:29,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39441050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:29, skipping insertion in model container [2023-11-21 22:29:29,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:29:28" (2/3) ... [2023-11-21 22:29:29,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39441050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:29:29, skipping insertion in model container [2023-11-21 22:29:29,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:29" (3/3) ... [2023-11-21 22:29:29,293 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1-2.i [2023-11-21 22:29:29,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:29:29,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-21 22:29:29,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:29:29,397 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;@449dd3ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:29:29,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2023-11-21 22:29:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 63 states have (on average 1.9365079365079365) internal successors, (122), 104 states have internal predecessors, (122), 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) [2023-11-21 22:29:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 22:29:29,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:29,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 22:29:29,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:29,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:29,419 INFO L85 PathProgramCache]: Analyzing trace with hash 337472, now seen corresponding path program 1 times [2023-11-21 22:29:29,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:29,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678817762] [2023-11-21 22:29:29,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:29,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:29,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:29,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678817762] [2023-11-21 22:29:29,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678817762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:29,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:29,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:29:29,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797497075] [2023-11-21 22:29:29,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:29,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:29:29,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:29,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:29:29,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:29:29,620 INFO L87 Difference]: Start difference. First operand has 105 states, 63 states have (on average 1.9365079365079365) internal successors, (122), 104 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:29,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:29,668 INFO L93 Difference]: Finished difference Result 105 states and 122 transitions. [2023-11-21 22:29:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:29:29,671 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-21 22:29:29,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:29,681 INFO L225 Difference]: With dead ends: 105 [2023-11-21 22:29:29,681 INFO L226 Difference]: Without dead ends: 64 [2023-11-21 22:29:29,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:29:29,689 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:29,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:29:29,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-21 22:29:29,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-21 22:29:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 63 states have internal predecessors, (81), 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) [2023-11-21 22:29:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2023-11-21 22:29:29,731 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 3 [2023-11-21 22:29:29,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:29,732 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2023-11-21 22:29:29,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:29,732 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-21 22:29:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 22:29:29,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:29,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:29,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:29:29,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:29,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:29,736 INFO L85 PathProgramCache]: Analyzing trace with hash 890734429, now seen corresponding path program 1 times [2023-11-21 22:29:29,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:29,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456208922] [2023-11-21 22:29:29,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:29,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:29,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:29,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456208922] [2023-11-21 22:29:29,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456208922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:29,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:29,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:29:29,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163224870] [2023-11-21 22:29:29,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:29,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:29,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:29,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:29,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:29,930 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-21 22:29:30,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:30,084 INFO L93 Difference]: Finished difference Result 128 states and 168 transitions. [2023-11-21 22:29:30,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:30,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-21 22:29:30,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:30,092 INFO L225 Difference]: With dead ends: 128 [2023-11-21 22:29:30,092 INFO L226 Difference]: Without dead ends: 85 [2023-11-21 22:29:30,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:29:30,100 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 21 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:30,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 109 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:30,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-21 22:29:30,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2023-11-21 22:29:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.2658227848101267) internal successors, (100), 79 states have internal predecessors, (100), 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) [2023-11-21 22:29:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2023-11-21 22:29:30,124 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 16 [2023-11-21 22:29:30,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:30,125 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2023-11-21 22:29:30,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-21 22:29:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2023-11-21 22:29:30,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 22:29:30,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:30,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:30,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:29:30,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:30,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:30,129 INFO L85 PathProgramCache]: Analyzing trace with hash -389099631, now seen corresponding path program 1 times [2023-11-21 22:29:30,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:30,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969511240] [2023-11-21 22:29:30,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:30,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:30,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:30,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969511240] [2023-11-21 22:29:30,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969511240] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:30,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170733119] [2023-11-21 22:29:30,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:30,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:30,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:30,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:30,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:29:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:30,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:29:30,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:30,548 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:29:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:30,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170733119] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:30,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:29:30,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-11-21 22:29:30,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692488027] [2023-11-21 22:29:30,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:30,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:29:30,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:30,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:29:30,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:29:30,728 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:30,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:30,934 INFO L93 Difference]: Finished difference Result 124 states and 162 transitions. [2023-11-21 22:29:30,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:29:30,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-21 22:29:30,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:30,937 INFO L225 Difference]: With dead ends: 124 [2023-11-21 22:29:30,937 INFO L226 Difference]: Without dead ends: 110 [2023-11-21 22:29:30,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:29:30,939 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 91 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:30,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 165 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:29:30,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-21 22:29:30,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 77. [2023-11-21 22:29:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.25) internal successors, (95), 76 states have internal predecessors, (95), 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) [2023-11-21 22:29:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 95 transitions. [2023-11-21 22:29:30,949 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 95 transitions. Word has length 19 [2023-11-21 22:29:30,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:30,950 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 95 transitions. [2023-11-21 22:29:30,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 95 transitions. [2023-11-21 22:29:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 22:29:30,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:30,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:30,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:31,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:31,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:31,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1797062224, now seen corresponding path program 1 times [2023-11-21 22:29:31,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:31,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896781978] [2023-11-21 22:29:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:31,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:31,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:31,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896781978] [2023-11-21 22:29:31,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896781978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:31,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:31,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:31,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815342320] [2023-11-21 22:29:31,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:31,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:29:31,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:31,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:29:31,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:29:31,427 INFO L87 Difference]: Start difference. First operand 77 states and 95 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2023-11-21 22:29:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:31,601 INFO L93 Difference]: Finished difference Result 126 states and 156 transitions. [2023-11-21 22:29:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:29:31,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-21 22:29:31,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:31,604 INFO L225 Difference]: With dead ends: 126 [2023-11-21 22:29:31,605 INFO L226 Difference]: Without dead ends: 85 [2023-11-21 22:29:31,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:29:31,610 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 100 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:31,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 118 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:31,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-21 22:29:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 78. [2023-11-21 22:29:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.2467532467532467) internal successors, (96), 77 states have internal predecessors, (96), 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) [2023-11-21 22:29:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2023-11-21 22:29:31,625 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 22 [2023-11-21 22:29:31,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:31,626 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2023-11-21 22:29:31,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2023-11-21 22:29:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-21 22:29:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 22:29:31,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:31,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:31,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:29:31,634 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:31,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:31,636 INFO L85 PathProgramCache]: Analyzing trace with hash -784405282, now seen corresponding path program 1 times [2023-11-21 22:29:31,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:31,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172748381] [2023-11-21 22:29:31,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:31,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:31,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:31,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172748381] [2023-11-21 22:29:31,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172748381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:31,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:31,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:29:31,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306242638] [2023-11-21 22:29:31,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:31,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:29:31,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:31,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:29:31,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:29:31,816 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:32,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:32,022 INFO L93 Difference]: Finished difference Result 164 states and 219 transitions. [2023-11-21 22:29:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:29:32,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2023-11-21 22:29:32,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:32,024 INFO L225 Difference]: With dead ends: 164 [2023-11-21 22:29:32,025 INFO L226 Difference]: Without dead ends: 122 [2023-11-21 22:29:32,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:29:32,026 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 60 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:32,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 149 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:29:32,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-21 22:29:32,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 92. [2023-11-21 22:29:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 91 states have internal predecessors, (116), 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) [2023-11-21 22:29:32,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2023-11-21 22:29:32,035 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 28 [2023-11-21 22:29:32,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:32,036 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2023-11-21 22:29:32,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:32,036 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2023-11-21 22:29:32,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 22:29:32,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:32,038 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:29:32,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:29:32,038 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:32,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:32,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1956085999, now seen corresponding path program 1 times [2023-11-21 22:29:32,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:32,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519298001] [2023-11-21 22:29:32,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:32,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 22:29:32,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:32,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519298001] [2023-11-21 22:29:32,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519298001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:32,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:32,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:29:32,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196616171] [2023-11-21 22:29:32,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:32,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:29:32,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:32,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:29:32,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:29:32,208 INFO L87 Difference]: Start difference. First operand 92 states and 116 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:32,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:32,317 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2023-11-21 22:29:32,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:29:32,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2023-11-21 22:29:32,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:32,323 INFO L225 Difference]: With dead ends: 256 [2023-11-21 22:29:32,323 INFO L226 Difference]: Without dead ends: 188 [2023-11-21 22:29:32,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:29:32,325 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 101 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:32,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 179 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:32,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-21 22:29:32,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 105. [2023-11-21 22:29:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.2692307692307692) internal successors, (132), 104 states have internal predecessors, (132), 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) [2023-11-21 22:29:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 132 transitions. [2023-11-21 22:29:32,336 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 132 transitions. Word has length 34 [2023-11-21 22:29:32,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:32,336 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 132 transitions. [2023-11-21 22:29:32,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2023-11-21 22:29:32,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 22:29:32,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:32,338 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:29:32,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:29:32,339 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:32,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:32,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1297740043, now seen corresponding path program 1 times [2023-11-21 22:29:32,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:32,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324964546] [2023-11-21 22:29:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 22:29:32,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:32,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324964546] [2023-11-21 22:29:32,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324964546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:32,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:32,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:29:32,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252224698] [2023-11-21 22:29:32,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:32,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:29:32,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:32,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:29:32,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:29:32,501 INFO L87 Difference]: Start difference. First operand 105 states and 132 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:32,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:32,609 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2023-11-21 22:29:32,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:29:32,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2023-11-21 22:29:32,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:32,611 INFO L225 Difference]: With dead ends: 262 [2023-11-21 22:29:32,611 INFO L226 Difference]: Without dead ends: 195 [2023-11-21 22:29:32,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:29:32,612 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 83 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:32,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 170 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:32,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-21 22:29:32,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 117. [2023-11-21 22:29:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.25) internal successors, (145), 116 states have internal predecessors, (145), 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) [2023-11-21 22:29:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 145 transitions. [2023-11-21 22:29:32,623 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 145 transitions. Word has length 34 [2023-11-21 22:29:32,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:32,623 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 145 transitions. [2023-11-21 22:29:32,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 145 transitions. [2023-11-21 22:29:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 22:29:32,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:32,625 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:29:32,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:29:32,625 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:32,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:32,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1907728293, now seen corresponding path program 1 times [2023-11-21 22:29:32,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:32,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119441116] [2023-11-21 22:29:32,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:32,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:32,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:32,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119441116] [2023-11-21 22:29:32,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119441116] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:32,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401040330] [2023-11-21 22:29:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:32,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:32,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:32,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:32,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 22:29:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:32,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:29:33,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:33,146 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:29:33,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401040330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:33,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:29:33,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2023-11-21 22:29:33,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65842929] [2023-11-21 22:29:33,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:33,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:33,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:33,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:33,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:29:33,149 INFO L87 Difference]: Start difference. First operand 117 states and 145 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2023-11-21 22:29:33,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:33,322 INFO L93 Difference]: Finished difference Result 265 states and 334 transitions. [2023-11-21 22:29:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:33,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2023-11-21 22:29:33,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:33,325 INFO L225 Difference]: With dead ends: 265 [2023-11-21 22:29:33,325 INFO L226 Difference]: Without dead ends: 198 [2023-11-21 22:29:33,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:29:33,327 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 90 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:33,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 262 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:29:33,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-21 22:29:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 178. [2023-11-21 22:29:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.2598870056497176) internal successors, (223), 177 states have internal predecessors, (223), 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) [2023-11-21 22:29:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 223 transitions. [2023-11-21 22:29:33,345 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 223 transitions. Word has length 37 [2023-11-21 22:29:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:33,345 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 223 transitions. [2023-11-21 22:29:33,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2023-11-21 22:29:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 223 transitions. [2023-11-21 22:29:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 22:29:33,349 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:33,350 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:29:33,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:33,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:33,570 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:33,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:33,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1329541010, now seen corresponding path program 1 times [2023-11-21 22:29:33,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:33,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038174207] [2023-11-21 22:29:33,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:33,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:33,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:33,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038174207] [2023-11-21 22:29:33,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038174207] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:33,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835745452] [2023-11-21 22:29:33,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:33,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:33,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:33,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:33,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 22:29:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:34,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 22:29:34,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:34,515 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:29:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:35,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835745452] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:29:35,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:29:35,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 11] total 27 [2023-11-21 22:29:35,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780395722] [2023-11-21 22:29:35,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:29:35,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-21 22:29:35,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:35,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-21 22:29:35,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2023-11-21 22:29:35,600 INFO L87 Difference]: Start difference. First operand 178 states and 223 transitions. Second operand has 27 states, 27 states have (on average 3.4814814814814814) internal successors, (94), 27 states have internal predecessors, (94), 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) [2023-11-21 22:29:45,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:45,736 INFO L93 Difference]: Finished difference Result 1483 states and 1974 transitions. [2023-11-21 22:29:45,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-11-21 22:29:45,739 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.4814814814814814) internal successors, (94), 27 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2023-11-21 22:29:45,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:45,746 INFO L225 Difference]: With dead ends: 1483 [2023-11-21 22:29:45,747 INFO L226 Difference]: Without dead ends: 1315 [2023-11-21 22:29:45,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7412 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=4564, Invalid=16606, Unknown=0, NotChecked=0, Total=21170 [2023-11-21 22:29:45,758 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 894 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 2793 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 2940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:45,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 1122 Invalid, 2940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2793 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-21 22:29:45,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2023-11-21 22:29:45,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 533. [2023-11-21 22:29:45,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 532 states have (on average 1.2349624060150375) internal successors, (657), 532 states have internal predecessors, (657), 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) [2023-11-21 22:29:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 657 transitions. [2023-11-21 22:29:45,796 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 657 transitions. Word has length 37 [2023-11-21 22:29:45,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:45,796 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 657 transitions. [2023-11-21 22:29:45,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.4814814814814814) internal successors, (94), 27 states have internal predecessors, (94), 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) [2023-11-21 22:29:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 657 transitions. [2023-11-21 22:29:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 22:29:45,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:45,799 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-11-21 22:29:45,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:46,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:46,014 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:46,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:46,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2038343593, now seen corresponding path program 1 times [2023-11-21 22:29:46,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:46,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336761212] [2023-11-21 22:29:46,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:46,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:46,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:46,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336761212] [2023-11-21 22:29:46,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336761212] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:46,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076546588] [2023-11-21 22:29:46,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:46,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:46,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:46,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:46,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 22:29:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:46,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 22:29:46,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:46,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:29:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:47,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076546588] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:29:47,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:29:47,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 23 [2023-11-21 22:29:47,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731060471] [2023-11-21 22:29:47,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:29:47,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-21 22:29:47,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:47,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-21 22:29:47,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2023-11-21 22:29:47,429 INFO L87 Difference]: Start difference. First operand 533 states and 657 transitions. Second operand has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 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) [2023-11-21 22:29:48,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:48,288 INFO L93 Difference]: Finished difference Result 1901 states and 2327 transitions. [2023-11-21 22:29:48,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-21 22:29:48,289 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2023-11-21 22:29:48,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:48,297 INFO L225 Difference]: With dead ends: 1901 [2023-11-21 22:29:48,297 INFO L226 Difference]: Without dead ends: 1418 [2023-11-21 22:29:48,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=370, Invalid=820, Unknown=0, NotChecked=0, Total=1190 [2023-11-21 22:29:48,300 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 629 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:48,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 393 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-21 22:29:48,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2023-11-21 22:29:48,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 852. [2023-11-21 22:29:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 851 states have (on average 1.2784958871915393) internal successors, (1088), 851 states have internal predecessors, (1088), 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) [2023-11-21 22:29:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1088 transitions. [2023-11-21 22:29:48,363 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1088 transitions. Word has length 46 [2023-11-21 22:29:48,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:48,364 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1088 transitions. [2023-11-21 22:29:48,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 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) [2023-11-21 22:29:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1088 transitions. [2023-11-21 22:29:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 22:29:48,366 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:48,366 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:29:48,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:48,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:48,582 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:48,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:48,583 INFO L85 PathProgramCache]: Analyzing trace with hash 165333692, now seen corresponding path program 1 times [2023-11-21 22:29:48,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:48,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102336612] [2023-11-21 22:29:48,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:48,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:48,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:48,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102336612] [2023-11-21 22:29:48,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102336612] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:48,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557713783] [2023-11-21 22:29:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:48,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:48,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:48,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:48,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 22:29:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:48,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:29:48,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 22:29:48,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:29:48,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557713783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:48,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:29:48,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-21 22:29:48,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87852800] [2023-11-21 22:29:48,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:48,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:29:48,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:48,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:29:48,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:48,865 INFO L87 Difference]: Start difference. First operand 852 states and 1088 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-21 22:29:49,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:49,018 INFO L93 Difference]: Finished difference Result 1950 states and 2569 transitions. [2023-11-21 22:29:49,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:29:49,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2023-11-21 22:29:49,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:49,027 INFO L225 Difference]: With dead ends: 1950 [2023-11-21 22:29:49,027 INFO L226 Difference]: Without dead ends: 1147 [2023-11-21 22:29:49,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:29:49,029 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 26 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:49,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 168 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:49,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2023-11-21 22:29:49,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 980. [2023-11-21 22:29:49,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 979 states have (on average 1.2400408580183861) internal successors, (1214), 979 states have internal predecessors, (1214), 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) [2023-11-21 22:29:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1214 transitions. [2023-11-21 22:29:49,087 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1214 transitions. Word has length 46 [2023-11-21 22:29:49,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:49,088 INFO L495 AbstractCegarLoop]: Abstraction has 980 states and 1214 transitions. [2023-11-21 22:29:49,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-21 22:29:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1214 transitions. [2023-11-21 22:29:49,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 22:29:49,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:49,090 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:49,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:49,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:49,306 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:49,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash -262062804, now seen corresponding path program 1 times [2023-11-21 22:29:49,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:49,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831757494] [2023-11-21 22:29:49,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:49,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:49,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:49,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831757494] [2023-11-21 22:29:49,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831757494] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:49,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27081964] [2023-11-21 22:29:49,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:49,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:49,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:49,507 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:49,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-21 22:29:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:49,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:29:49,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 22:29:49,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:29:49,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27081964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:49,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:29:49,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2023-11-21 22:29:49,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407260675] [2023-11-21 22:29:49,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:49,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:29:49,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:49,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:29:49,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:29:49,620 INFO L87 Difference]: Start difference. First operand 980 states and 1214 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-21 22:29:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:49,817 INFO L93 Difference]: Finished difference Result 2110 states and 2662 transitions. [2023-11-21 22:29:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:29:49,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2023-11-21 22:29:49,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:49,824 INFO L225 Difference]: With dead ends: 2110 [2023-11-21 22:29:49,824 INFO L226 Difference]: Without dead ends: 1179 [2023-11-21 22:29:49,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:29:49,828 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 26 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:49,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 168 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:49,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2023-11-21 22:29:49,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 803. [2023-11-21 22:29:49,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 802 states have (on average 1.2244389027431422) internal successors, (982), 802 states have internal predecessors, (982), 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) [2023-11-21 22:29:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 982 transitions. [2023-11-21 22:29:49,876 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 982 transitions. Word has length 55 [2023-11-21 22:29:49,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:49,877 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 982 transitions. [2023-11-21 22:29:49,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-21 22:29:49,877 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 982 transitions. [2023-11-21 22:29:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 22:29:49,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:49,879 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:49,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:50,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:50,094 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:50,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:50,095 INFO L85 PathProgramCache]: Analyzing trace with hash -147344283, now seen corresponding path program 1 times [2023-11-21 22:29:50,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:50,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988720137] [2023-11-21 22:29:50,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:50,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-21 22:29:50,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:50,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988720137] [2023-11-21 22:29:50,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988720137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:50,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:50,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:29:50,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918544868] [2023-11-21 22:29:50,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:50,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:29:50,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:50,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:29:50,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:29:50,328 INFO L87 Difference]: Start difference. First operand 803 states and 982 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-21 22:29:50,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:50,581 INFO L93 Difference]: Finished difference Result 1696 states and 2067 transitions. [2023-11-21 22:29:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:50,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-21 22:29:50,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:50,589 INFO L225 Difference]: With dead ends: 1696 [2023-11-21 22:29:50,589 INFO L226 Difference]: Without dead ends: 1295 [2023-11-21 22:29:50,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:29:50,591 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 203 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:50,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 356 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:29:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2023-11-21 22:29:50,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 819. [2023-11-21 22:29:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 818 states have (on average 1.223716381418093) internal successors, (1001), 818 states have internal predecessors, (1001), 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) [2023-11-21 22:29:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1001 transitions. [2023-11-21 22:29:50,649 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1001 transitions. Word has length 67 [2023-11-21 22:29:50,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:50,649 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 1001 transitions. [2023-11-21 22:29:50,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-21 22:29:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1001 transitions. [2023-11-21 22:29:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 22:29:50,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:50,652 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:50,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:29:50,653 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:50,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:50,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1291707846, now seen corresponding path program 1 times [2023-11-21 22:29:50,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:50,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108729405] [2023-11-21 22:29:50,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:50,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 22:29:50,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:50,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108729405] [2023-11-21 22:29:50,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108729405] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:50,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413421496] [2023-11-21 22:29:50,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:50,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:50,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:50,824 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:50,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-21 22:29:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:50,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:29:50,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 22:29:50,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:29:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 22:29:51,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413421496] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:29:51,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:29:51,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 10 [2023-11-21 22:29:51,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845698725] [2023-11-21 22:29:51,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:29:51,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 22:29:51,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:51,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 22:29:51,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:29:51,077 INFO L87 Difference]: Start difference. First operand 819 states and 1001 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 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) [2023-11-21 22:29:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:52,267 INFO L93 Difference]: Finished difference Result 3458 states and 4331 transitions. [2023-11-21 22:29:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-21 22:29:52,267 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-21 22:29:52,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:52,280 INFO L225 Difference]: With dead ends: 3458 [2023-11-21 22:29:52,280 INFO L226 Difference]: Without dead ends: 2545 [2023-11-21 22:29:52,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 144 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=339, Invalid=921, Unknown=0, NotChecked=0, Total=1260 [2023-11-21 22:29:52,283 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 346 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:52,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 436 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-21 22:29:52,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2023-11-21 22:29:52,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 1890. [2023-11-21 22:29:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1890 states, 1889 states have (on average 1.2382212811011117) internal successors, (2339), 1889 states have internal predecessors, (2339), 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) [2023-11-21 22:29:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2339 transitions. [2023-11-21 22:29:52,438 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2339 transitions. Word has length 67 [2023-11-21 22:29:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:52,439 INFO L495 AbstractCegarLoop]: Abstraction has 1890 states and 2339 transitions. [2023-11-21 22:29:52,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 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) [2023-11-21 22:29:52,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2339 transitions. [2023-11-21 22:29:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 22:29:52,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:52,442 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:52,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:52,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:52,663 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:52,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:52,664 INFO L85 PathProgramCache]: Analyzing trace with hash -917530822, now seen corresponding path program 1 times [2023-11-21 22:29:52,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:52,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180273968] [2023-11-21 22:29:52,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:52,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 22:29:52,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:52,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180273968] [2023-11-21 22:29:52,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180273968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:52,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:29:52,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:29:52,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956905599] [2023-11-21 22:29:52,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:52,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:29:52,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:52,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:29:52,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:29:52,904 INFO L87 Difference]: Start difference. First operand 1890 states and 2339 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:53,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:53,274 INFO L93 Difference]: Finished difference Result 3386 states and 4148 transitions. [2023-11-21 22:29:53,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:53,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-21 22:29:53,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:53,292 INFO L225 Difference]: With dead ends: 3386 [2023-11-21 22:29:53,292 INFO L226 Difference]: Without dead ends: 3317 [2023-11-21 22:29:53,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:29:53,297 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 165 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:53,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 272 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:29:53,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2023-11-21 22:29:53,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 1913. [2023-11-21 22:29:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1912 states have (on average 1.235878661087866) internal successors, (2363), 1912 states have internal predecessors, (2363), 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) [2023-11-21 22:29:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2363 transitions. [2023-11-21 22:29:53,466 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2363 transitions. Word has length 67 [2023-11-21 22:29:53,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:53,467 INFO L495 AbstractCegarLoop]: Abstraction has 1913 states and 2363 transitions. [2023-11-21 22:29:53,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2363 transitions. [2023-11-21 22:29:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 22:29:53,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:53,472 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2023-11-21 22:29:53,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 22:29:53,472 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:53,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:53,473 INFO L85 PathProgramCache]: Analyzing trace with hash -231372630, now seen corresponding path program 1 times [2023-11-21 22:29:53,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:53,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558043673] [2023-11-21 22:29:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:53,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 22:29:53,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:53,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558043673] [2023-11-21 22:29:53,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558043673] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:53,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400210985] [2023-11-21 22:29:53,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:53,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:53,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:53,690 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:53,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-21 22:29:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:53,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:29:53,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 22:29:53,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:29:54,007 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 22:29:54,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400210985] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:29:54,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:29:54,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2023-11-21 22:29:54,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748718447] [2023-11-21 22:29:54,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:29:54,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-21 22:29:54,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:54,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-21 22:29:54,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:29:54,012 INFO L87 Difference]: Start difference. First operand 1913 states and 2363 transitions. Second operand has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 11 states have internal predecessors, (104), 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) [2023-11-21 22:29:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:54,851 INFO L93 Difference]: Finished difference Result 5538 states and 6870 transitions. [2023-11-21 22:29:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-21 22:29:54,852 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 11 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-21 22:29:54,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:54,870 INFO L225 Difference]: With dead ends: 5538 [2023-11-21 22:29:54,870 INFO L226 Difference]: Without dead ends: 3408 [2023-11-21 22:29:54,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2023-11-21 22:29:54,874 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 434 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:54,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 402 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 22:29:54,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2023-11-21 22:29:55,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 2472. [2023-11-21 22:29:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2472 states, 2471 states have (on average 1.235532173209227) internal successors, (3053), 2471 states have internal predecessors, (3053), 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) [2023-11-21 22:29:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 3053 transitions. [2023-11-21 22:29:55,122 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 3053 transitions. Word has length 68 [2023-11-21 22:29:55,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:55,122 INFO L495 AbstractCegarLoop]: Abstraction has 2472 states and 3053 transitions. [2023-11-21 22:29:55,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 11 states have internal predecessors, (104), 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) [2023-11-21 22:29:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3053 transitions. [2023-11-21 22:29:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 22:29:55,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:55,127 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2023-11-21 22:29:55,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:55,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:55,348 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:55,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:55,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1134215198, now seen corresponding path program 1 times [2023-11-21 22:29:55,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:55,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30738430] [2023-11-21 22:29:55,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:55,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:29:55,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:55,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30738430] [2023-11-21 22:29:55,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30738430] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:55,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107464157] [2023-11-21 22:29:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:55,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:55,598 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:55,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-21 22:29:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:55,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:29:55,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 22:29:55,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:29:55,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107464157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:55,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:29:55,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2023-11-21 22:29:55,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917306189] [2023-11-21 22:29:55,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:55,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:29:55,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:55,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:29:55,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:29:55,748 INFO L87 Difference]: Start difference. First operand 2472 states and 3053 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-21 22:29:55,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:55,843 INFO L93 Difference]: Finished difference Result 2692 states and 3297 transitions. [2023-11-21 22:29:55,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:29:55,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-21 22:29:55,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:55,850 INFO L225 Difference]: With dead ends: 2692 [2023-11-21 22:29:55,850 INFO L226 Difference]: Without dead ends: 1163 [2023-11-21 22:29:55,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:29:55,853 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 66 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:55,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:29:55,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2023-11-21 22:29:55,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1163. [2023-11-21 22:29:55,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1162 states have (on average 1.216867469879518) internal successors, (1414), 1162 states have internal predecessors, (1414), 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) [2023-11-21 22:29:55,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1414 transitions. [2023-11-21 22:29:55,949 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1414 transitions. Word has length 68 [2023-11-21 22:29:55,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:55,949 INFO L495 AbstractCegarLoop]: Abstraction has 1163 states and 1414 transitions. [2023-11-21 22:29:55,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-21 22:29:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1414 transitions. [2023-11-21 22:29:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 22:29:55,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:55,951 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:55,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:56,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-21 22:29:56,174 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:56,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1000367820, now seen corresponding path program 1 times [2023-11-21 22:29:56,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:56,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776007529] [2023-11-21 22:29:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:56,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:56,929 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 22:29:56,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:56,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776007529] [2023-11-21 22:29:56,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776007529] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:56,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528911512] [2023-11-21 22:29:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:56,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:56,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:56,934 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:56,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-21 22:29:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:57,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 22:29:57,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 22:29:57,281 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:29:57,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528911512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:29:57,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:29:57,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 14 [2023-11-21 22:29:57,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841869135] [2023-11-21 22:29:57,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:29:57,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:29:57,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:29:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:29:57,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-21 22:29:57,284 INFO L87 Difference]: Start difference. First operand 1163 states and 1414 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2023-11-21 22:29:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:29:57,625 INFO L93 Difference]: Finished difference Result 3280 states and 3973 transitions. [2023-11-21 22:29:57,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:29:57,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2023-11-21 22:29:57,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:29:57,642 INFO L225 Difference]: With dead ends: 3280 [2023-11-21 22:29:57,642 INFO L226 Difference]: Without dead ends: 3145 [2023-11-21 22:29:57,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-21 22:29:57,644 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 173 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:29:57,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 480 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:29:57,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3145 states. [2023-11-21 22:29:57,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3145 to 1669. [2023-11-21 22:29:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1668 states have (on average 1.2176258992805755) internal successors, (2031), 1668 states have internal predecessors, (2031), 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) [2023-11-21 22:29:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2031 transitions. [2023-11-21 22:29:57,798 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2031 transitions. Word has length 70 [2023-11-21 22:29:57,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:29:57,798 INFO L495 AbstractCegarLoop]: Abstraction has 1669 states and 2031 transitions. [2023-11-21 22:29:57,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2023-11-21 22:29:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2031 transitions. [2023-11-21 22:29:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 22:29:57,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:29:57,800 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:29:57,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:58,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-21 22:29:58,011 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:29:58,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:58,014 INFO L85 PathProgramCache]: Analyzing trace with hash 997032752, now seen corresponding path program 1 times [2023-11-21 22:29:58,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:29:58,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524476117] [2023-11-21 22:29:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:58,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:29:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 22:29:58,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:29:58,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524476117] [2023-11-21 22:29:58,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524476117] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:29:58,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872699289] [2023-11-21 22:29:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:29:58,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:29:58,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:58,809 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:29:58,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-21 22:29:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:59,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 22:29:59,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 22:29:59,492 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:30:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 22:30:00,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872699289] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:30:00,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:30:00,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 24 [2023-11-21 22:30:00,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301509450] [2023-11-21 22:30:00,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:30:00,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-21 22:30:00,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:30:00,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-21 22:30:00,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2023-11-21 22:30:00,750 INFO L87 Difference]: Start difference. First operand 1669 states and 2031 transitions. Second operand has 26 states, 25 states have (on average 7.68) internal successors, (192), 25 states have internal predecessors, (192), 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) [2023-11-21 22:30:01,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:30:01,680 INFO L93 Difference]: Finished difference Result 3623 states and 4330 transitions. [2023-11-21 22:30:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-21 22:30:01,681 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.68) internal successors, (192), 25 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-11-21 22:30:01,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:30:01,690 INFO L225 Difference]: With dead ends: 3623 [2023-11-21 22:30:01,690 INFO L226 Difference]: Without dead ends: 1788 [2023-11-21 22:30:01,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=339, Invalid=921, Unknown=0, NotChecked=0, Total=1260 [2023-11-21 22:30:01,693 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 566 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-21 22:30:01,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 645 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-21 22:30:01,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2023-11-21 22:30:01,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1146. [2023-11-21 22:30:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 1145 states have (on average 1.1703056768558953) internal successors, (1340), 1145 states have internal predecessors, (1340), 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) [2023-11-21 22:30:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1340 transitions. [2023-11-21 22:30:01,795 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1340 transitions. Word has length 72 [2023-11-21 22:30:01,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:30:01,795 INFO L495 AbstractCegarLoop]: Abstraction has 1146 states and 1340 transitions. [2023-11-21 22:30:01,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.68) internal successors, (192), 25 states have internal predecessors, (192), 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) [2023-11-21 22:30:01,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1340 transitions. [2023-11-21 22:30:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 22:30:01,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:30:01,797 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:30:01,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:30:02,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:30:02,003 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:30:02,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:30:02,004 INFO L85 PathProgramCache]: Analyzing trace with hash -729119977, now seen corresponding path program 1 times [2023-11-21 22:30:02,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:30:02,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131991336] [2023-11-21 22:30:02,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:30:02,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:30:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:30:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-21 22:30:02,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:30:02,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131991336] [2023-11-21 22:30:02,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131991336] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:30:02,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341077650] [2023-11-21 22:30:02,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:30:02,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:30:02,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:30:02,248 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:30:02,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-21 22:30:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:30:02,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:30:02,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:30:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-21 22:30:02,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:30:02,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341077650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:30:02,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:30:02,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2023-11-21 22:30:02,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140756795] [2023-11-21 22:30:02,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:30:02,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:30:02,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:30:02,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:30:02,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:30:02,502 INFO L87 Difference]: Start difference. First operand 1146 states and 1340 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 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) [2023-11-21 22:30:02,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:30:02,753 INFO L93 Difference]: Finished difference Result 2342 states and 2723 transitions. [2023-11-21 22:30:02,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:30:02,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-11-21 22:30:02,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:30:02,763 INFO L225 Difference]: With dead ends: 2342 [2023-11-21 22:30:02,764 INFO L226 Difference]: Without dead ends: 2030 [2023-11-21 22:30:02,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:30:02,766 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 208 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:30:02,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 231 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:30:02,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2023-11-21 22:30:02,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 1485. [2023-11-21 22:30:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 1484 states have (on average 1.1752021563342319) internal successors, (1744), 1484 states have internal predecessors, (1744), 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) [2023-11-21 22:30:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1744 transitions. [2023-11-21 22:30:02,900 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1744 transitions. Word has length 77 [2023-11-21 22:30:02,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:30:02,900 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 1744 transitions. [2023-11-21 22:30:02,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 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) [2023-11-21 22:30:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1744 transitions. [2023-11-21 22:30:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 22:30:02,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:30:02,903 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:30:02,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:30:03,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:30:03,121 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:30:03,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:30:03,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2019306351, now seen corresponding path program 1 times [2023-11-21 22:30:03,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:30:03,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585423498] [2023-11-21 22:30:03,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:30:03,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:30:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:30:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-21 22:30:03,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:30:03,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585423498] [2023-11-21 22:30:03,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585423498] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:30:03,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918234600] [2023-11-21 22:30:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:30:03,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:30:03,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:30:03,385 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:30:03,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-21 22:30:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:30:03,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:30:03,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:30:03,834 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 36 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 22:30:03,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:30:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 22:30:04,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918234600] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:30:04,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:30:04,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 19 [2023-11-21 22:30:04,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948777315] [2023-11-21 22:30:04,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:30:04,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-21 22:30:04,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:30:04,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-21 22:30:04,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2023-11-21 22:30:04,584 INFO L87 Difference]: Start difference. First operand 1485 states and 1744 transitions. Second operand has 19 states, 19 states have (on average 8.421052631578947) internal successors, (160), 19 states have internal predecessors, (160), 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) [2023-11-21 22:30:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:30:06,181 INFO L93 Difference]: Finished difference Result 2983 states and 3436 transitions. [2023-11-21 22:30:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-21 22:30:06,182 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.421052631578947) internal successors, (160), 19 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-11-21 22:30:06,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:30:06,186 INFO L225 Difference]: With dead ends: 2983 [2023-11-21 22:30:06,186 INFO L226 Difference]: Without dead ends: 760 [2023-11-21 22:30:06,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=825, Invalid=2145, Unknown=0, NotChecked=0, Total=2970 [2023-11-21 22:30:06,190 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 948 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:30:06,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 426 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-21 22:30:06,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2023-11-21 22:30:06,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 626. [2023-11-21 22:30:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 625 states have (on average 1.1056) internal successors, (691), 625 states have internal predecessors, (691), 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) [2023-11-21 22:30:06,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 691 transitions. [2023-11-21 22:30:06,244 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 691 transitions. Word has length 80 [2023-11-21 22:30:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:30:06,245 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 691 transitions. [2023-11-21 22:30:06,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.421052631578947) internal successors, (160), 19 states have internal predecessors, (160), 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) [2023-11-21 22:30:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 691 transitions. [2023-11-21 22:30:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 22:30:06,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:30:06,246 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:30:06,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:30:06,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-21 22:30:06,465 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:30:06,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:30:06,465 INFO L85 PathProgramCache]: Analyzing trace with hash -635330385, now seen corresponding path program 1 times [2023-11-21 22:30:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:30:06,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820825752] [2023-11-21 22:30:06,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:30:06,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:30:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:30:06,878 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:30:06,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:30:06,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820825752] [2023-11-21 22:30:06,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820825752] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:30:06,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214839419] [2023-11-21 22:30:06,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:30:06,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:30:06,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:30:06,891 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:30:06,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-21 22:30:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:30:06,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:30:06,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:30:07,068 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 22:30:07,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:30:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 22:30:07,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214839419] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:30:07,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:30:07,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 3, 5] total 13 [2023-11-21 22:30:07,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96212376] [2023-11-21 22:30:07,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:30:07,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-21 22:30:07,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:30:07,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-21 22:30:07,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-11-21 22:30:07,252 INFO L87 Difference]: Start difference. First operand 626 states and 691 transitions. Second operand has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 13 states have internal predecessors, (165), 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) [2023-11-21 22:30:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:30:07,635 INFO L93 Difference]: Finished difference Result 898 states and 1001 transitions. [2023-11-21 22:30:07,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 22:30:07,635 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 13 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-21 22:30:07,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:30:07,637 INFO L225 Difference]: With dead ends: 898 [2023-11-21 22:30:07,637 INFO L226 Difference]: Without dead ends: 283 [2023-11-21 22:30:07,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 159 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2023-11-21 22:30:07,639 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 221 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:30:07,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 240 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 22:30:07,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-21 22:30:07,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 207. [2023-11-21 22:30:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.1067961165048543) internal successors, (228), 206 states have internal predecessors, (228), 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) [2023-11-21 22:30:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 228 transitions. [2023-11-21 22:30:07,656 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 228 transitions. Word has length 82 [2023-11-21 22:30:07,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:30:07,656 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 228 transitions. [2023-11-21 22:30:07,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 13 states have internal predecessors, (165), 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) [2023-11-21 22:30:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 228 transitions. [2023-11-21 22:30:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 22:30:07,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:30:07,658 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:30:07,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:30:07,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-21 22:30:07,874 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2023-11-21 22:30:07,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:30:07,875 INFO L85 PathProgramCache]: Analyzing trace with hash 867313321, now seen corresponding path program 1 times [2023-11-21 22:30:07,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:30:07,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483262099] [2023-11-21 22:30:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:30:07,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:30:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:30:08,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:30:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:30:08,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:30:08,258 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:30:08,259 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2023-11-21 22:30:08,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2023-11-21 22:30:08,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2023-11-21 22:30:08,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2023-11-21 22:30:08,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2023-11-21 22:30:08,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2023-11-21 22:30:08,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2023-11-21 22:30:08,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2023-11-21 22:30:08,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2023-11-21 22:30:08,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2023-11-21 22:30:08,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2023-11-21 22:30:08,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2023-11-21 22:30:08,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2023-11-21 22:30:08,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2023-11-21 22:30:08,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2023-11-21 22:30:08,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2023-11-21 22:30:08,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2023-11-21 22:30:08,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2023-11-21 22:30:08,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2023-11-21 22:30:08,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2023-11-21 22:30:08,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2023-11-21 22:30:08,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2023-11-21 22:30:08,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2023-11-21 22:30:08,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2023-11-21 22:30:08,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2023-11-21 22:30:08,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2023-11-21 22:30:08,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2023-11-21 22:30:08,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2023-11-21 22:30:08,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2023-11-21 22:30:08,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2023-11-21 22:30:08,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2023-11-21 22:30:08,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2023-11-21 22:30:08,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2023-11-21 22:30:08,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2023-11-21 22:30:08,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2023-11-21 22:30:08,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2023-11-21 22:30:08,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2023-11-21 22:30:08,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2023-11-21 22:30:08,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2023-11-21 22:30:08,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2023-11-21 22:30:08,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2023-11-21 22:30:08,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-21 22:30:08,273 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:30:08,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:30:08,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-21 22:30:08,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-21 22:30:08,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-21 22:30:08,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-21 22:30:08,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-21 22:30:08,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:30:08 BoogieIcfgContainer [2023-11-21 22:30:08,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:30:08,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:30:08,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:30:08,366 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:30:08,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:29:29" (3/4) ... [2023-11-21 22:30:08,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:30:08,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:30:08,370 INFO L158 Benchmark]: Toolchain (without parser) took 40510.62ms. Allocated memory was 117.4MB in the beginning and 463.5MB in the end (delta: 346.0MB). Free memory was 76.0MB in the beginning and 187.9MB in the end (delta: -111.9MB). Peak memory consumption was 234.6MB. Max. memory is 16.1GB. [2023-11-21 22:30:08,371 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:30:08,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.03ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 62.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:30:08,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.70ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 58.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:30:08,372 INFO L158 Benchmark]: Boogie Preprocessor took 77.66ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 55.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:30:08,372 INFO L158 Benchmark]: RCFGBuilder took 952.68ms. Allocated memory was 117.4MB in the beginning and 203.4MB in the end (delta: 86.0MB). Free memory was 55.3MB in the beginning and 137.9MB in the end (delta: -82.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-21 22:30:08,373 INFO L158 Benchmark]: TraceAbstraction took 39079.16ms. Allocated memory was 203.4MB in the beginning and 463.5MB in the end (delta: 260.0MB). Free memory was 136.6MB in the beginning and 189.0MB in the end (delta: -52.3MB). Peak memory consumption was 207.5MB. Max. memory is 16.1GB. [2023-11-21 22:30:08,373 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 463.5MB. Free memory was 189.0MB in the beginning and 187.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:30:08,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.03ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 62.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.70ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 58.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.66ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 55.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 952.68ms. Allocated memory was 117.4MB in the beginning and 203.4MB in the end (delta: 86.0MB). Free memory was 55.3MB in the beginning and 137.9MB in the end (delta: -82.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * TraceAbstraction took 39079.16ms. Allocated memory was 203.4MB in the beginning and 463.5MB in the end (delta: 260.0MB). Free memory was 136.6MB in the beginning and 189.0MB in the end (delta: -52.3MB). Peak memory consumption was 207.5MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 463.5MB. Free memory was 189.0MB in the beginning and 187.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 116. Possible FailurePath: [L124] unsigned int a, b, r; [L126] b = __VERIFIER_nondet_uint() [L128] a = 234770789 [L130] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, na=4] [L68] nb = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=101] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=101] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=356] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=356] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=356] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=0, na=4, nb=4, partial_sum=356] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=1, i=0, na=4, nb=4, partial_sum=100, r0=100, r1=0, r2=0, r3=255] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=1, i=1, na=4, nb=4, partial_sum=100, r0=100, r1=0, r2=0, r3=255] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L85] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=100, r1=0, r2=0, r3=255] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=100, r1=0, r2=0, r3=255] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=100, r1=0, r2=0, r3=255] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=100, r1=0, r2=0, r3=255] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=100, r1=0, r2=0, r3=255] [L91] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=100, r1=0, r2=0, r3=255] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=100, r1=0, r2=0, r3=255] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=100, r1=0, r2=0, r3=255] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=1, na=4, nb=4, partial_sum=256, r0=100, r1=0, r2=0, r3=255] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND FALSE !(i == (unsigned char)0) [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=100, r1=0, r2=0, r3=255] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=100, r1=0, r2=0, r3=255] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L86] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L92] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=100, r1=0, r2=0, r3=255] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=100, r1=0, r2=0, r3=255] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND FALSE !(i == (unsigned char)0) [L100] COND FALSE !(i == (unsigned char)1) [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=1, i=2, na=4, nb=4, partial_sum=0, r0=100, r1=0, r2=0, r3=255] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=1, i=3, na=4, nb=4, partial_sum=0, r0=100, r1=0, r2=0, r3=255] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L87] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=100, r1=0, r2=0, r3=255] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=100, r1=0, r2=0, r3=255] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=100, r1=0, r2=0, r3=255] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=100, r1=0, r2=0, r3=255] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=100, r1=0, r2=0, r3=255] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=100, r1=0, r2=0, r3=255] [L93] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=100, r1=0, r2=0, r3=255] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) [L99] COND FALSE !(i == (unsigned char)0) [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L107] COND FALSE !(i < (unsigned char)4) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L116] EXPR r1 << 8U [L116] EXPR r0 | (r1 << 8U) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L116] EXPR r2 << 16U [L116] r0 | (r1 << 8U) | (r2 << 16U) VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] [L116] r3 << 24U VAL [\old(a)=234770789, \old(b)=4043419391, a0=234770789, a1=917073, a2=3582, a3=13, a=234770789, b0=4043419391, b1=15794606, b2=61697, b3=241, b=4043419391, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=100, r1=0, r2=0, r3=255] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 38.9s, OverallIterations: 23, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5451 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5451 mSDsluCounter, 6624 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4915 mSDsCounter, 548 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7009 IncrementalHoareTripleChecker+Invalid, 7557 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 548 mSolverCounterUnsat, 1709 mSDtfsCounter, 7009 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1707 GetRequests, 1281 SyntacticMatches, 12 SemanticMatches, 414 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9306 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2472occurred in iteration=16, InterpolantAutomatonStates: 345, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 8491 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 2007 NumberOfCodeBlocks, 2007 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2346 ConstructedInterpolants, 0 QuantifiedInterpolants, 16813 SizeOfPredicates, 55 NumberOfNonLiveVariables, 2079 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 44 InterpolantComputations, 15 PerfectInterpolantSequences, 1292/1739 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:30:08,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b04e00-2a95-4c32-a1b2-cb7c579b5e78/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...