./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd --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 7f97a505fe6488215cf15708661c3a7c87a5132fbff317a4b6f7f9cc44d66008 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:31:33,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:31:33,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:31:33,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:31:33,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:31:33,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:31:33,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:31:33,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:31:33,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:31:33,331 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:31:33,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:31:33,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:31:33,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:31:33,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:31:33,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:31:33,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:31:33,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:31:33,332 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:31:33,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:31:33,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:31:33,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:31:33,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:31:33,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:31:33,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:31:33,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:31:33,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:31:33,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:31:33,336 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd 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 -> 7f97a505fe6488215cf15708661c3a7c87a5132fbff317a4b6f7f9cc44d66008 [2024-11-13 15:31:33,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:31:33,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:31:33,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:31:33,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:31:33,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:31:33,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c Unable to find full path for "g++" [2024-11-13 15:31:35,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:31:35,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:31:35,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c [2024-11-13 15:31:36,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/data/b05ff4e70/41bfdbea08974fc1ab8de72686f1d473/FLAG0567d95c3 [2024-11-13 15:31:36,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/data/b05ff4e70/41bfdbea08974fc1ab8de72686f1d473 [2024-11-13 15:31:36,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:31:36,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:31:36,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:31:36,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:31:36,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:31:36,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c59a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36, skipping insertion in model container [2024-11-13 15:31:36,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:31:36,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:31:36,278 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:31:36,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:31:36,334 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:31:36,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36 WrapperNode [2024-11-13 15:31:36,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:31:36,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:31:36,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:31:36,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:31:36,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,390 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 169 [2024-11-13 15:31:36,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:31:36,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:31:36,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:31:36,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:31:36,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,419 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:31:36,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:31:36,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:31:36,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:31:36,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:31:36,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (1/1) ... [2024-11-13 15:31:36,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:31:36,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:36,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:31:36,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:31:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:31:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:31:36,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:31:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:31:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:31:36,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:31:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 15:31:36,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 15:31:36,596 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:31:36,598 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:31:37,323 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-13 15:31:37,323 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:31:37,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:31:37,346 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 15:31:37,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:37 BoogieIcfgContainer [2024-11-13 15:31:37,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:31:37,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:31:37,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:31:37,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:31:37,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:31:36" (1/3) ... [2024-11-13 15:31:37,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed55d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:31:37, skipping insertion in model container [2024-11-13 15:31:37,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:36" (2/3) ... [2024-11-13 15:31:37,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed55d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:31:37, skipping insertion in model container [2024-11-13 15:31:37,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:37" (3/3) ... [2024-11-13 15:31:37,358 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-ll_unwindbound5.c [2024-11-13 15:31:37,377 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:31:37,379 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG fermat1-ll_unwindbound5.c that has 3 procedures, 227 locations, 1 initial locations, 3 loop locations, and 98 error locations. [2024-11-13 15:31:37,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:31:37,468 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19ae06dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:31:37,469 INFO L334 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-11-13 15:31:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 120 states have (on average 1.9083333333333334) internal successors, (229), 218 states have internal predecessors, (229), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:31:37,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 15:31:37,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:37,480 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-13 15:31:37,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:37,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:37,488 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-13 15:31:37,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:37,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056452679] [2024-11-13 15:31:37,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:37,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:31:37,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:37,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056452679] [2024-11-13 15:31:37,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056452679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:37,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:37,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:37,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123885141] [2024-11-13 15:31:37,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:37,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:31:37,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:37,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:31:37,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:37,712 INFO L87 Difference]: Start difference. First operand has 227 states, 120 states have (on average 1.9083333333333334) internal successors, (229), 218 states have internal predecessors, (229), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:31:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:37,840 INFO L93 Difference]: Finished difference Result 427 states and 471 transitions. [2024-11-13 15:31:37,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:31:37,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-13 15:31:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:37,850 INFO L225 Difference]: With dead ends: 427 [2024-11-13 15:31:37,853 INFO L226 Difference]: Without dead ends: 206 [2024-11-13 15:31:37,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:37,860 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 13 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:37,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 394 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-13 15:31:37,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-13 15:31:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 115 states have (on average 1.7739130434782608) internal successors, (204), 198 states have internal predecessors, (204), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:31:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 214 transitions. [2024-11-13 15:31:37,929 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 214 transitions. Word has length 3 [2024-11-13 15:31:37,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:37,929 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 214 transitions. [2024-11-13 15:31:37,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:31:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 214 transitions. [2024-11-13 15:31:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 15:31:37,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:37,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 15:31:37,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:31:37,931 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:37,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:37,932 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-13 15:31:37,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:37,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257549870] [2024-11-13 15:31:37,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:37,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:31:37,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:37,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257549870] [2024-11-13 15:31:37,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257549870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:37,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:37,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:37,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103624012] [2024-11-13 15:31:37,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:37,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:31:37,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:37,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:31:37,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:37,970 INFO L87 Difference]: Start difference. First operand 206 states and 214 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:31:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:38,039 INFO L93 Difference]: Finished difference Result 206 states and 214 transitions. [2024-11-13 15:31:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:31:38,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-13 15:31:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:38,042 INFO L225 Difference]: With dead ends: 206 [2024-11-13 15:31:38,042 INFO L226 Difference]: Without dead ends: 202 [2024-11-13 15:31:38,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:38,043 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 12 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:38,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 381 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:38,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-13 15:31:38,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2024-11-13 15:31:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 115 states have (on average 1.7391304347826086) internal successors, (200), 194 states have internal predecessors, (200), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:31:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 210 transitions. [2024-11-13 15:31:38,061 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 210 transitions. Word has length 4 [2024-11-13 15:31:38,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:38,061 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 210 transitions. [2024-11-13 15:31:38,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:31:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 210 transitions. [2024-11-13 15:31:38,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 15:31:38,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:38,062 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:38,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:31:38,062 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:38,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:38,063 INFO L85 PathProgramCache]: Analyzing trace with hash 87858952, now seen corresponding path program 1 times [2024-11-13 15:31:38,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:38,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898655428] [2024-11-13 15:31:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:31:38,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1667414997] [2024-11-13 15:31:38,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:38,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:38,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:38,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:38,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:31:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:38,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:31:38,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:31:38,225 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:31:38,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898655428] [2024-11-13 15:31:38,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:31:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667414997] [2024-11-13 15:31:38,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667414997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:38,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:38,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:38,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242210338] [2024-11-13 15:31:38,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:38,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:31:38,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:38,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:31:38,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:38,229 INFO L87 Difference]: Start difference. First operand 202 states and 210 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:31:38,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:38,289 INFO L93 Difference]: Finished difference Result 202 states and 210 transitions. [2024-11-13 15:31:38,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:31:38,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-11-13 15:31:38,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:38,291 INFO L225 Difference]: With dead ends: 202 [2024-11-13 15:31:38,291 INFO L226 Difference]: Without dead ends: 200 [2024-11-13 15:31:38,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:38,292 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 8 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:38,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 381 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:31:38,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-13 15:31:38,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-13 15:31:38,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 115 states have (on average 1.7217391304347827) internal successors, (198), 192 states have internal predecessors, (198), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:31:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 208 transitions. [2024-11-13 15:31:38,304 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 208 transitions. Word has length 8 [2024-11-13 15:31:38,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:38,304 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 208 transitions. [2024-11-13 15:31:38,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:31:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 208 transitions. [2024-11-13 15:31:38,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 15:31:38,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:38,305 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:38,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 15:31:38,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:38,509 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:38,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:38,510 INFO L85 PathProgramCache]: Analyzing trace with hash -764935062, now seen corresponding path program 1 times [2024-11-13 15:31:38,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:38,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24082971] [2024-11-13 15:31:38,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:38,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:31:38,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711839859] [2024-11-13 15:31:38,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:38,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:38,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:38,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:38,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:31:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:38,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:31:38,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:38,688 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:31:38,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:38,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24082971] [2024-11-13 15:31:38,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:31:38,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711839859] [2024-11-13 15:31:38,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711839859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:38,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:38,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:38,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056616334] [2024-11-13 15:31:38,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:38,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:31:38,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:38,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:31:38,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:38,690 INFO L87 Difference]: Start difference. First operand 200 states and 208 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:38,769 INFO L93 Difference]: Finished difference Result 200 states and 208 transitions. [2024-11-13 15:31:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:31:38,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-13 15:31:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:38,771 INFO L225 Difference]: With dead ends: 200 [2024-11-13 15:31:38,771 INFO L226 Difference]: Without dead ends: 198 [2024-11-13 15:31:38,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:38,772 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 162 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:38,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 188 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:38,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-13 15:31:38,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-13 15:31:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 115 states have (on average 1.7043478260869565) internal successors, (196), 190 states have internal predecessors, (196), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:31:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 206 transitions. [2024-11-13 15:31:38,797 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 206 transitions. Word has length 25 [2024-11-13 15:31:38,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:38,798 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 206 transitions. [2024-11-13 15:31:38,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 206 transitions. [2024-11-13 15:31:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 15:31:38,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:38,799 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:38,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:31:39,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-13 15:31:39,003 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:39,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:39,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2056816916, now seen corresponding path program 1 times [2024-11-13 15:31:39,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:39,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671803917] [2024-11-13 15:31:39,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:39,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:31:39,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:39,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671803917] [2024-11-13 15:31:39,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671803917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:31:39,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390133653] [2024-11-13 15:31:39,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:39,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:39,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:39,357 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:39,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:31:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:31:39,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:31:40,148 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:31:40,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390133653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:40,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:31:40,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 15:31:40,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441930737] [2024-11-13 15:31:40,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:40,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:31:40,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:40,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:31:40,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:31:40,150 INFO L87 Difference]: Start difference. First operand 198 states and 206 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:40,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:40,383 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2024-11-13 15:31:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:31:40,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-13 15:31:40,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:40,388 INFO L225 Difference]: With dead ends: 198 [2024-11-13 15:31:40,388 INFO L226 Difference]: Without dead ends: 196 [2024-11-13 15:31:40,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:31:40,389 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 161 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:40,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 686 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:31:40,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-13 15:31:40,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-13 15:31:40,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 115 states have (on average 1.6869565217391305) internal successors, (194), 188 states have internal predecessors, (194), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:31:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 204 transitions. [2024-11-13 15:31:40,404 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 204 transitions. Word has length 26 [2024-11-13 15:31:40,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:40,404 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 204 transitions. [2024-11-13 15:31:40,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2024-11-13 15:31:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 15:31:40,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:40,405 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:40,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:31:40,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:40,606 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:40,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:40,606 INFO L85 PathProgramCache]: Analyzing trace with hash 916102230, now seen corresponding path program 1 times [2024-11-13 15:31:40,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:40,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428376304] [2024-11-13 15:31:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:40,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:40,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:40,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:40,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:40,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428376304] [2024-11-13 15:31:40,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428376304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:40,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:40,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:31:40,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008823969] [2024-11-13 15:31:40,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:40,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:31:40,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:40,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:31:40,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:31:40,708 INFO L87 Difference]: Start difference. First operand 196 states and 204 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:40,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:40,766 INFO L93 Difference]: Finished difference Result 275 states and 284 transitions. [2024-11-13 15:31:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:31:40,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-13 15:31:40,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:40,768 INFO L225 Difference]: With dead ends: 275 [2024-11-13 15:31:40,768 INFO L226 Difference]: Without dead ends: 274 [2024-11-13 15:31:40,769 INFO L431 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 [2024-11-13 15:31:40,769 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 84 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:40,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 567 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:31:40,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-13 15:31:40,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 223. [2024-11-13 15:31:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 140 states have (on average 1.6928571428571428) internal successors, (237), 214 states have internal predecessors, (237), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:31:40,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 249 transitions. [2024-11-13 15:31:40,795 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 249 transitions. Word has length 28 [2024-11-13 15:31:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:40,795 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 249 transitions. [2024-11-13 15:31:40,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 249 transitions. [2024-11-13 15:31:40,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 15:31:40,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:40,796 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:31:40,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:31:40,796 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:40,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:40,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1665601872, now seen corresponding path program 1 times [2024-11-13 15:31:40,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:40,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705481357] [2024-11-13 15:31:40,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:40,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:40,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:40,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705481357] [2024-11-13 15:31:40,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705481357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:40,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:40,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:31:40,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18136060] [2024-11-13 15:31:40,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:40,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:31:40,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:40,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:31:40,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:31:40,923 INFO L87 Difference]: Start difference. First operand 223 states and 249 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:40,974 INFO L93 Difference]: Finished difference Result 252 states and 276 transitions. [2024-11-13 15:31:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:31:40,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-13 15:31:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:40,977 INFO L225 Difference]: With dead ends: 252 [2024-11-13 15:31:40,977 INFO L226 Difference]: Without dead ends: 223 [2024-11-13 15:31:40,978 INFO L431 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 [2024-11-13 15:31:40,979 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 8 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:40,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 570 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:31:40,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-13 15:31:40,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-13 15:31:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 214 states have internal predecessors, (235), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:31:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 247 transitions. [2024-11-13 15:31:40,996 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 247 transitions. Word has length 29 [2024-11-13 15:31:40,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:40,997 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 247 transitions. [2024-11-13 15:31:40,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 247 transitions. [2024-11-13 15:31:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 15:31:40,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:40,998 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:31:40,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:31:40,999 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:40,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:40,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1379404818, now seen corresponding path program 1 times [2024-11-13 15:31:41,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:41,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000677585] [2024-11-13 15:31:41,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:41,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:41,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:41,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:41,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000677585] [2024-11-13 15:31:41,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000677585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:41,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:41,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:41,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845823675] [2024-11-13 15:31:41,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:41,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:31:41,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:41,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:31:41,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:41,089 INFO L87 Difference]: Start difference. First operand 223 states and 247 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:41,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:41,188 INFO L93 Difference]: Finished difference Result 275 states and 301 transitions. [2024-11-13 15:31:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:31:41,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-13 15:31:41,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:41,190 INFO L225 Difference]: With dead ends: 275 [2024-11-13 15:31:41,190 INFO L226 Difference]: Without dead ends: 272 [2024-11-13 15:31:41,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:41,191 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 141 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:41,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 274 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:41,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-13 15:31:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 238. [2024-11-13 15:31:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 155 states have (on average 1.664516129032258) internal successors, (258), 229 states have internal predecessors, (258), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:31:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 270 transitions. [2024-11-13 15:31:41,209 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 270 transitions. Word has length 31 [2024-11-13 15:31:41,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:41,210 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 270 transitions. [2024-11-13 15:31:41,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 270 transitions. [2024-11-13 15:31:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 15:31:41,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:41,210 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:31:41,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:31:41,211 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:41,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash -188123523, now seen corresponding path program 1 times [2024-11-13 15:31:41,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:41,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381039465] [2024-11-13 15:31:41,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:41,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:41,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:41,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:41,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:41,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381039465] [2024-11-13 15:31:41,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381039465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:41,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:41,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:31:41,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463319031] [2024-11-13 15:31:41,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:41,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:31:41,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:41,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:31:41,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:31:41,288 INFO L87 Difference]: Start difference. First operand 238 states and 270 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:41,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:41,452 INFO L93 Difference]: Finished difference Result 278 states and 303 transitions. [2024-11-13 15:31:41,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:31:41,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-13 15:31:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:41,454 INFO L225 Difference]: With dead ends: 278 [2024-11-13 15:31:41,454 INFO L226 Difference]: Without dead ends: 275 [2024-11-13 15:31:41,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:31:41,454 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 151 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:41,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 431 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:41,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-13 15:31:41,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 241. [2024-11-13 15:31:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 158 states have (on average 1.6455696202531647) internal successors, (260), 232 states have internal predecessors, (260), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:31:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2024-11-13 15:31:41,474 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 32 [2024-11-13 15:31:41,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:41,474 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2024-11-13 15:31:41,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2024-11-13 15:31:41,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 15:31:41,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:41,475 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:31:41,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:31:41,475 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:41,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:41,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1536861836, now seen corresponding path program 1 times [2024-11-13 15:31:41,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:41,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134162950] [2024-11-13 15:31:41,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:41,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:31:41,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263232377] [2024-11-13 15:31:41,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:41,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:41,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:41,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:41,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:31:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:41,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:31:41,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:41,609 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:31:41,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:41,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134162950] [2024-11-13 15:31:41,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:31:41,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263232377] [2024-11-13 15:31:41,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263232377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:41,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:41,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:41,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286898777] [2024-11-13 15:31:41,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:41,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:31:41,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:41,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:31:41,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:41,611 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:41,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:41,765 INFO L93 Difference]: Finished difference Result 390 states and 436 transitions. [2024-11-13 15:31:41,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:31:41,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-13 15:31:41,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:41,768 INFO L225 Difference]: With dead ends: 390 [2024-11-13 15:31:41,768 INFO L226 Difference]: Without dead ends: 387 [2024-11-13 15:31:41,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:41,769 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 139 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:41,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 361 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:41,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-13 15:31:41,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 313. [2024-11-13 15:31:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.669603524229075) internal successors, (379), 301 states have internal predecessors, (379), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:31:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 397 transitions. [2024-11-13 15:31:41,799 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 397 transitions. Word has length 33 [2024-11-13 15:31:41,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:41,800 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 397 transitions. [2024-11-13 15:31:41,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 397 transitions. [2024-11-13 15:31:41,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 15:31:41,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:41,801 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:31:41,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:31:42,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:42,002 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:42,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:42,003 INFO L85 PathProgramCache]: Analyzing trace with hash -398076577, now seen corresponding path program 1 times [2024-11-13 15:31:42,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:42,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301214201] [2024-11-13 15:31:42,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:42,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:31:42,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:42,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301214201] [2024-11-13 15:31:42,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301214201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:31:42,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320759722] [2024-11-13 15:31:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:42,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:42,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:42,218 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:42,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:31:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:42,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:31:42,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:31:42,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:31:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:31:42,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320759722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:31:42,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:31:42,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-13 15:31:42,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009950170] [2024-11-13 15:31:42,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:31:42,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:31:42,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:42,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:31:42,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:31:42,867 INFO L87 Difference]: Start difference. First operand 313 states and 397 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:31:43,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:43,428 INFO L93 Difference]: Finished difference Result 430 states and 471 transitions. [2024-11-13 15:31:43,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:31:43,429 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) Word has length 34 [2024-11-13 15:31:43,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:43,431 INFO L225 Difference]: With dead ends: 430 [2024-11-13 15:31:43,431 INFO L226 Difference]: Without dead ends: 427 [2024-11-13 15:31:43,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:31:43,432 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 683 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:43,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1116 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:31:43,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-13 15:31:43,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 319. [2024-11-13 15:31:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 233 states have (on average 1.648068669527897) internal successors, (384), 307 states have internal predecessors, (384), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:31:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 402 transitions. [2024-11-13 15:31:43,455 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 402 transitions. Word has length 34 [2024-11-13 15:31:43,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:43,455 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 402 transitions. [2024-11-13 15:31:43,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:31:43,456 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 402 transitions. [2024-11-13 15:31:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 15:31:43,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:43,456 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:31:43,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:31:43,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:43,660 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:43,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:43,661 INFO L85 PathProgramCache]: Analyzing trace with hash -299498431, now seen corresponding path program 1 times [2024-11-13 15:31:43,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:43,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500246254] [2024-11-13 15:31:43,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:31:43,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955112262] [2024-11-13 15:31:43,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:43,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:43,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:43,676 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:43,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:31:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:43,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:31:43,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:31:44,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:31:44,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:44,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500246254] [2024-11-13 15:31:44,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:31:44,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955112262] [2024-11-13 15:31:44,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955112262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:31:44,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:31:44,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-13 15:31:44,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485106070] [2024-11-13 15:31:44,180 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:31:44,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:31:44,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:44,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:31:44,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:31:44,181 INFO L87 Difference]: Start difference. First operand 319 states and 402 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:31:48,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:48,494 INFO L93 Difference]: Finished difference Result 499 states and 616 transitions. [2024-11-13 15:31:48,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:31:48,495 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-13 15:31:48,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:48,497 INFO L225 Difference]: With dead ends: 499 [2024-11-13 15:31:48,498 INFO L226 Difference]: Without dead ends: 472 [2024-11-13 15:31:48,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:31:48,499 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 428 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:48,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 520 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-13 15:31:48,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-13 15:31:48,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 438. [2024-11-13 15:31:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 349 states have (on average 1.5501432664756447) internal successors, (541), 423 states have internal predecessors, (541), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:31:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 565 transitions. [2024-11-13 15:31:48,558 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 565 transitions. Word has length 36 [2024-11-13 15:31:48,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:48,559 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 565 transitions. [2024-11-13 15:31:48,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:31:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 565 transitions. [2024-11-13 15:31:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 15:31:48,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:48,561 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:31:48,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 15:31:48,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:48,761 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:48,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:48,762 INFO L85 PathProgramCache]: Analyzing trace with hash -55180509, now seen corresponding path program 1 times [2024-11-13 15:31:48,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:48,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019035214] [2024-11-13 15:31:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:48,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:31:48,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [691850476] [2024-11-13 15:31:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:48,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:48,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:48,789 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:48,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:31:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:48,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:31:48,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:48,868 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:31:48,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:48,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019035214] [2024-11-13 15:31:48,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:31:48,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691850476] [2024-11-13 15:31:48,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691850476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:48,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:48,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:48,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148680343] [2024-11-13 15:31:48,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:48,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:31:48,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:48,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:31:48,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:48,870 INFO L87 Difference]: Start difference. First operand 438 states and 565 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:49,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:49,181 INFO L93 Difference]: Finished difference Result 630 states and 798 transitions. [2024-11-13 15:31:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:31:49,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-13 15:31:49,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:49,185 INFO L225 Difference]: With dead ends: 630 [2024-11-13 15:31:49,185 INFO L226 Difference]: Without dead ends: 589 [2024-11-13 15:31:49,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:31:49,188 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 117 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:49,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 279 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:31:49,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-13 15:31:49,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 557. [2024-11-13 15:31:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 465 states have (on average 1.4903225806451612) internal successors, (693), 539 states have internal predecessors, (693), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 15:31:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 723 transitions. [2024-11-13 15:31:49,234 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 723 transitions. Word has length 38 [2024-11-13 15:31:49,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:49,236 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 723 transitions. [2024-11-13 15:31:49,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:31:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 723 transitions. [2024-11-13 15:31:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 15:31:49,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:49,237 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:49,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:31:49,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:49,438 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:49,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1770365884, now seen corresponding path program 1 times [2024-11-13 15:31:49,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:49,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689418011] [2024-11-13 15:31:49,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:49,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:49,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:49,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:49,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:49,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:49,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689418011] [2024-11-13 15:31:49,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689418011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:49,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:49,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:31:49,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045919494] [2024-11-13 15:31:49,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:49,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:31:49,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:49,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:31:49,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:31:49,693 INFO L87 Difference]: Start difference. First operand 557 states and 723 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:31:49,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:49,822 INFO L93 Difference]: Finished difference Result 645 states and 824 transitions. [2024-11-13 15:31:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:31:49,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-13 15:31:49,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:49,826 INFO L225 Difference]: With dead ends: 645 [2024-11-13 15:31:49,826 INFO L226 Difference]: Without dead ends: 644 [2024-11-13 15:31:49,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:31:49,828 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 63 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:49,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 940 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-13 15:31:49,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 618. [2024-11-13 15:31:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.4780114722753346) internal successors, (773), 596 states have internal predecessors, (773), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 15:31:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 807 transitions. [2024-11-13 15:31:49,872 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 807 transitions. Word has length 56 [2024-11-13 15:31:49,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:49,873 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 807 transitions. [2024-11-13 15:31:49,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:31:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 807 transitions. [2024-11-13 15:31:49,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 15:31:49,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:49,875 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:49,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:31:49,875 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:49,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:49,876 INFO L85 PathProgramCache]: Analyzing trace with hash -953232319, now seen corresponding path program 1 times [2024-11-13 15:31:49,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:49,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811016049] [2024-11-13 15:31:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:49,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:50,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:50,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811016049] [2024-11-13 15:31:50,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811016049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:50,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:50,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:31:50,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134321296] [2024-11-13 15:31:50,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:50,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:31:50,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:50,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:31:50,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:31:50,031 INFO L87 Difference]: Start difference. First operand 618 states and 807 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:31:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:50,160 INFO L93 Difference]: Finished difference Result 1126 states and 1480 transitions. [2024-11-13 15:31:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:31:50,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-13 15:31:50,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:50,164 INFO L225 Difference]: With dead ends: 1126 [2024-11-13 15:31:50,164 INFO L226 Difference]: Without dead ends: 618 [2024-11-13 15:31:50,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:31:50,166 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 20 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:50,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 776 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:50,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-13 15:31:50,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2024-11-13 15:31:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.474187380497132) internal successors, (771), 596 states have internal predecessors, (771), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 15:31:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 805 transitions. [2024-11-13 15:31:50,210 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 805 transitions. Word has length 57 [2024-11-13 15:31:50,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:50,211 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 805 transitions. [2024-11-13 15:31:50,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:31:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 805 transitions. [2024-11-13 15:31:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:31:50,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:50,212 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:50,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:31:50,212 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:50,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:50,213 INFO L85 PathProgramCache]: Analyzing trace with hash 331233691, now seen corresponding path program 1 times [2024-11-13 15:31:50,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:50,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642269637] [2024-11-13 15:31:50,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:50,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:31:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:50,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:50,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642269637] [2024-11-13 15:31:50,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642269637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:50,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:50,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:31:50,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461714336] [2024-11-13 15:31:50,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:50,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:31:50,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:50,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:31:50,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:31:50,325 INFO L87 Difference]: Start difference. First operand 618 states and 805 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 15:31:50,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:50,808 INFO L93 Difference]: Finished difference Result 651 states and 806 transitions. [2024-11-13 15:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:31:50,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 83 [2024-11-13 15:31:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:50,814 INFO L225 Difference]: With dead ends: 651 [2024-11-13 15:31:50,814 INFO L226 Difference]: Without dead ends: 650 [2024-11-13 15:31:50,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:31:50,816 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 82 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:50,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 382 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:31:50,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-13 15:31:50,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 618. [2024-11-13 15:31:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.468451242829828) internal successors, (768), 596 states have internal predecessors, (768), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 15:31:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 802 transitions. [2024-11-13 15:31:50,867 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 802 transitions. Word has length 83 [2024-11-13 15:31:50,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:50,868 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 802 transitions. [2024-11-13 15:31:50,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 15:31:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 802 transitions. [2024-11-13 15:31:50,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:31:50,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:50,872 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:50,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:31:50,872 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:50,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:50,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1678308467, now seen corresponding path program 1 times [2024-11-13 15:31:50,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:50,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199037977] [2024-11-13 15:31:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:50,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:31:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:51,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:51,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199037977] [2024-11-13 15:31:51,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199037977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:51,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:51,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:31:51,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946120535] [2024-11-13 15:31:51,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:51,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:31:51,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:51,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:31:51,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:31:51,119 INFO L87 Difference]: Start difference. First operand 618 states and 802 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:31:51,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:51,332 INFO L93 Difference]: Finished difference Result 623 states and 805 transitions. [2024-11-13 15:31:51,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:31:51,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 84 [2024-11-13 15:31:51,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:51,335 INFO L225 Difference]: With dead ends: 623 [2024-11-13 15:31:51,335 INFO L226 Difference]: Without dead ends: 620 [2024-11-13 15:31:51,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:31:51,337 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 229 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:51,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 825 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:51,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-13 15:31:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 619. [2024-11-13 15:31:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 526 states have (on average 1.4277566539923954) internal successors, (751), 596 states have internal predecessors, (751), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 15:31:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 785 transitions. [2024-11-13 15:31:51,381 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 785 transitions. Word has length 84 [2024-11-13 15:31:51,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:51,381 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 785 transitions. [2024-11-13 15:31:51,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:31:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 785 transitions. [2024-11-13 15:31:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 15:31:51,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:51,383 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:51,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:31:51,383 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:51,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:51,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1678310005, now seen corresponding path program 1 times [2024-11-13 15:31:51,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:51,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121146026] [2024-11-13 15:31:51,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:51,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:31:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:51,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:51,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121146026] [2024-11-13 15:31:51,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121146026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:51,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:51,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:31:51,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847973635] [2024-11-13 15:31:51,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:51,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:31:51,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:51,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:31:51,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:31:51,555 INFO L87 Difference]: Start difference. First operand 619 states and 785 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 15:31:52,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:52,177 INFO L93 Difference]: Finished difference Result 661 states and 807 transitions. [2024-11-13 15:31:52,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:31:52,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2024-11-13 15:31:52,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:52,180 INFO L225 Difference]: With dead ends: 661 [2024-11-13 15:31:52,180 INFO L226 Difference]: Without dead ends: 660 [2024-11-13 15:31:52,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:31:52,182 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 449 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:52,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 306 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:31:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-13 15:31:52,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 619. [2024-11-13 15:31:52,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 526 states have (on average 1.4220532319391634) internal successors, (748), 596 states have internal predecessors, (748), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 15:31:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 782 transitions. [2024-11-13 15:31:52,227 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 782 transitions. Word has length 84 [2024-11-13 15:31:52,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:52,227 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 782 transitions. [2024-11-13 15:31:52,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 15:31:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 782 transitions. [2024-11-13 15:31:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 15:31:52,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:52,229 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:52,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 15:31:52,229 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:52,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash 487955115, now seen corresponding path program 1 times [2024-11-13 15:31:52,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:52,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280272695] [2024-11-13 15:31:52,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:52,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:31:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:52,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:52,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280272695] [2024-11-13 15:31:52,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280272695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:52,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:52,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:31:52,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764707438] [2024-11-13 15:31:52,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:52,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:31:52,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:52,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:31:52,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:31:52,464 INFO L87 Difference]: Start difference. First operand 619 states and 782 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:31:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:52,664 INFO L93 Difference]: Finished difference Result 1140 states and 1447 transitions. [2024-11-13 15:31:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:31:52,665 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 85 [2024-11-13 15:31:52,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:52,669 INFO L225 Difference]: With dead ends: 1140 [2024-11-13 15:31:52,669 INFO L226 Difference]: Without dead ends: 631 [2024-11-13 15:31:52,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:31:52,671 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 35 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:52,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1107 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:52,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-13 15:31:52,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2024-11-13 15:31:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 533 states have (on average 1.4165103189493433) internal successors, (755), 603 states have internal predecessors, (755), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-13 15:31:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 789 transitions. [2024-11-13 15:31:52,738 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 789 transitions. Word has length 85 [2024-11-13 15:31:52,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:52,739 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 789 transitions. [2024-11-13 15:31:52,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 15:31:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 789 transitions. [2024-11-13 15:31:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 15:31:52,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:52,740 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:52,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 15:31:52,741 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:52,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:52,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1313490628, now seen corresponding path program 1 times [2024-11-13 15:31:52,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:52,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346329339] [2024-11-13 15:31:52,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:52,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:31:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:52,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:52,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346329339] [2024-11-13 15:31:52,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346329339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:31:52,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143513164] [2024-11-13 15:31:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:52,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:52,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:52,930 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:52,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:31:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:53,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:31:53,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:31:53,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:31:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:53,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143513164] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:31:53,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:31:53,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-13 15:31:53,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354559260] [2024-11-13 15:31:53,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:31:53,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:31:53,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:53,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:31:53,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:31:53,476 INFO L87 Difference]: Start difference. First operand 627 states and 789 transitions. Second operand has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-13 15:31:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:53,835 INFO L93 Difference]: Finished difference Result 1051 states and 1298 transitions. [2024-11-13 15:31:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 15:31:53,836 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 89 [2024-11-13 15:31:53,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:53,843 INFO L225 Difference]: With dead ends: 1051 [2024-11-13 15:31:53,843 INFO L226 Difference]: Without dead ends: 733 [2024-11-13 15:31:53,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:31:53,845 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 131 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:53,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 1530 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:31:53,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-13 15:31:53,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 694. [2024-11-13 15:31:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 596 states have (on average 1.424496644295302) internal successors, (849), 666 states have internal predecessors, (849), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 15:31:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 887 transitions. [2024-11-13 15:31:53,910 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 887 transitions. Word has length 89 [2024-11-13 15:31:53,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:53,910 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 887 transitions. [2024-11-13 15:31:53,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-13 15:31:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 887 transitions. [2024-11-13 15:31:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 15:31:53,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:53,912 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:53,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 15:31:54,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:54,113 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:54,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash -455887354, now seen corresponding path program 1 times [2024-11-13 15:31:54,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:54,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56133917] [2024-11-13 15:31:54,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:54,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:54,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:54,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:54,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:31:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:54,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56133917] [2024-11-13 15:31:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56133917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:31:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892677516] [2024-11-13 15:31:54,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:54,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:54,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:54,341 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:54,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:31:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:54,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:31:54,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:54,849 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:31:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:55,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892677516] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:31:55,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:31:55,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-13 15:31:55,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544543248] [2024-11-13 15:31:55,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:31:55,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:31:55,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:55,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:31:55,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:31:55,109 INFO L87 Difference]: Start difference. First operand 694 states and 887 transitions. Second operand has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-13 15:31:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:57,881 INFO L93 Difference]: Finished difference Result 1855 states and 2321 transitions. [2024-11-13 15:31:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:31:57,882 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 91 [2024-11-13 15:31:57,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:57,890 INFO L225 Difference]: With dead ends: 1855 [2024-11-13 15:31:57,891 INFO L226 Difference]: Without dead ends: 1346 [2024-11-13 15:31:57,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:31:57,894 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1776 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:57,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 1045 Invalid, 1678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 15:31:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2024-11-13 15:31:57,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1011. [2024-11-13 15:31:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 903 states have (on average 1.415282392026578) internal successors, (1278), 972 states have internal predecessors, (1278), 30 states have call successors, (30), 8 states have call predecessors, (30), 8 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 15:31:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1338 transitions. [2024-11-13 15:31:58,000 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1338 transitions. Word has length 91 [2024-11-13 15:31:58,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:58,000 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1338 transitions. [2024-11-13 15:31:58,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-13 15:31:58,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1338 transitions. [2024-11-13 15:31:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 15:31:58,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:58,004 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:58,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 15:31:58,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-13 15:31:58,206 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:31:58,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:58,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1247605952, now seen corresponding path program 1 times [2024-11-13 15:31:58,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:58,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456733687] [2024-11-13 15:31:58,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:58,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:58,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:31:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:31:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:58,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:31:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:58,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:31:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:31:58,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:58,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456733687] [2024-11-13 15:31:58,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456733687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:31:58,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494113822] [2024-11-13 15:31:58,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:58,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:31:58,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:58,389 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:31:58,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:31:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:58,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:31:58,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:32:16,035 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_44| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_44| |v_ULTIMATE.start_main_~R~0#1_44|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0) (<= .cse0 9223372036854775807)))) is different from true [2024-11-13 15:32:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 6 not checked. [2024-11-13 15:32:16,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:32:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:32:16,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494113822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:32:16,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:32:16,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-13 15:32:16,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79132889] [2024-11-13 15:32:16,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:32:16,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:32:16,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:32:16,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:32:16,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=106, Unknown=6, NotChecked=22, Total=182 [2024-11-13 15:32:16,392 INFO L87 Difference]: Start difference. First operand 1011 states and 1338 transitions. Second operand has 14 states, 13 states have (on average 15.384615384615385) internal successors, (200), 14 states have internal predecessors, (200), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-13 15:32:26,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:30,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:32,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:35,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:39,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:41,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:43,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:47,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:50,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:54,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:56,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:32:58,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:01,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:03,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:07,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:10,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:14,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:15,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:19,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:21,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:22,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:26,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:31,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:37,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:39,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:43,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:46,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:50,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:54,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:33:56,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:00,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:04,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:07,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:11,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:13,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:17,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:21,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:25,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:29,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:32,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:36,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:39,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:43,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:45,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:49,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:53,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:34:56,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:00,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:04,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:06,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:10,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:14,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:16,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:18,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:21,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:23,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:25,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:29,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:32,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:36,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:37,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:40,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:42,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:45,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:47,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:50,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:54,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:35:58,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:01,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:03,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:06,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:08,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:10,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:12,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:15,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:17,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:21,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:23,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:27,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:31,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:33,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:35,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:39,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:41,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:45,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:49,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:53,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:36:57,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:01,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:05,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:09,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:13,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:17,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:21,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:25,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:29,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:33,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:35,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:37,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:41,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:45,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:49,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:53,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:37:57,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:01,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:03,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:05,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:09,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:12,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:14,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:16,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:19,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:21,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:24,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:38:24,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:24,079 INFO L93 Difference]: Finished difference Result 1368 states and 1753 transitions. [2024-11-13 15:38:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 15:38:24,080 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.384615384615385) internal successors, (200), 14 states have internal predecessors, (200), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 92 [2024-11-13 15:38:24,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:24,089 INFO L225 Difference]: With dead ends: 1368 [2024-11-13 15:38:24,099 INFO L226 Difference]: Without dead ends: 1357 [2024-11-13 15:38:24,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 29.7s TimeCoverageRelationStatistics Valid=132, Invalid=283, Unknown=9, NotChecked=38, Total=462 [2024-11-13 15:38:24,102 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1075 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 58 mSolverCounterUnsat, 114 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 354.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 1900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 114 IncrementalHoareTripleChecker+Unknown, 607 IncrementalHoareTripleChecker+Unchecked, 354.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:24,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 712 Invalid, 1900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1121 Invalid, 114 Unknown, 607 Unchecked, 354.7s Time] [2024-11-13 15:38:24,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2024-11-13 15:38:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1083. [2024-11-13 15:38:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 975 states have (on average 1.406153846153846) internal successors, (1371), 1038 states have internal predecessors, (1371), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 15:38:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1443 transitions. [2024-11-13 15:38:24,204 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1443 transitions. Word has length 92 [2024-11-13 15:38:24,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:24,204 INFO L471 AbstractCegarLoop]: Abstraction has 1083 states and 1443 transitions. [2024-11-13 15:38:24,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.384615384615385) internal successors, (200), 14 states have internal predecessors, (200), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-13 15:38:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1443 transitions. [2024-11-13 15:38:24,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:38:24,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:24,206 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:24,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:38:24,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-13 15:38:24,411 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:24,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1117051322, now seen corresponding path program 1 times [2024-11-13 15:38:24,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:24,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296112149] [2024-11-13 15:38:24,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:24,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:38:24,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1947337802] [2024-11-13 15:38:24,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:24,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:24,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:38:24,456 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:38:24,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 15:38:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:24,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:38:24,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:38:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:38:24,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:38:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:38:24,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:24,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296112149] [2024-11-13 15:38:24,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:38:24,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947337802] [2024-11-13 15:38:24,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947337802] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:38:24,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:38:24,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-13 15:38:24,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836430364] [2024-11-13 15:38:24,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:38:24,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:38:24,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:24,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:38:24,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:38:24,919 INFO L87 Difference]: Start difference. First operand 1083 states and 1443 transitions. Second operand has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:38:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:25,800 INFO L93 Difference]: Finished difference Result 1987 states and 2677 transitions. [2024-11-13 15:38:25,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:38:25,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 98 [2024-11-13 15:38:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:25,809 INFO L225 Difference]: With dead ends: 1987 [2024-11-13 15:38:25,810 INFO L226 Difference]: Without dead ends: 1951 [2024-11-13 15:38:25,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:38:25,811 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 554 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:25,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 601 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:38:25,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2024-11-13 15:38:25,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1819. [2024-11-13 15:38:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1700 states have (on average 1.328235294117647) internal successors, (2258), 1750 states have internal predecessors, (2258), 60 states have call successors, (60), 8 states have call predecessors, (60), 8 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 15:38:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2378 transitions. [2024-11-13 15:38:25,991 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2378 transitions. Word has length 98 [2024-11-13 15:38:25,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:25,992 INFO L471 AbstractCegarLoop]: Abstraction has 1819 states and 2378 transitions. [2024-11-13 15:38:25,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:38:25,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2378 transitions. [2024-11-13 15:38:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 15:38:25,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:25,995 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:26,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 15:38:26,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 15:38:26,196 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:26,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:26,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2129224552, now seen corresponding path program 1 times [2024-11-13 15:38:26,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:26,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356122429] [2024-11-13 15:38:26,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:26,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:26,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:26,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:26,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:38:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:26,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:38:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:26,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:38:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:26,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:26,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356122429] [2024-11-13 15:38:26,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356122429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:38:26,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:38:26,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:38:26,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563704002] [2024-11-13 15:38:26,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:38:26,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:38:26,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:26,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:38:26,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:38:26,361 INFO L87 Difference]: Start difference. First operand 1819 states and 2378 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 15:38:26,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:26,981 INFO L93 Difference]: Finished difference Result 2069 states and 2692 transitions. [2024-11-13 15:38:26,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:38:26,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-13 15:38:26,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:26,991 INFO L225 Difference]: With dead ends: 2069 [2024-11-13 15:38:26,991 INFO L226 Difference]: Without dead ends: 2068 [2024-11-13 15:38:26,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:38:26,995 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 321 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:26,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 239 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:38:27,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2024-11-13 15:38:27,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 1818. [2024-11-13 15:38:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1818 states, 1700 states have (on average 1.3247058823529412) internal successors, (2252), 1749 states have internal predecessors, (2252), 60 states have call successors, (60), 8 states have call predecessors, (60), 8 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 15:38:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1818 states and 2372 transitions. [2024-11-13 15:38:27,177 INFO L78 Accepts]: Start accepts. Automaton has 1818 states and 2372 transitions. Word has length 111 [2024-11-13 15:38:27,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:27,178 INFO L471 AbstractCegarLoop]: Abstraction has 1818 states and 2372 transitions. [2024-11-13 15:38:27,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 15:38:27,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2372 transitions. [2024-11-13 15:38:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 15:38:27,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:27,180 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:27,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 15:38:27,181 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:27,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:27,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1581451913, now seen corresponding path program 1 times [2024-11-13 15:38:27,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:27,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075381833] [2024-11-13 15:38:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:27,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:27,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:27,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:27,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:38:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:27,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:38:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:27,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:38:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:27,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:27,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075381833] [2024-11-13 15:38:27,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075381833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:38:27,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:38:27,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:38:27,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927683363] [2024-11-13 15:38:27,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:38:27,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:38:27,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:27,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:38:27,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:38:27,319 INFO L87 Difference]: Start difference. First operand 1818 states and 2372 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 15:38:28,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:28,137 INFO L93 Difference]: Finished difference Result 3091 states and 4119 transitions. [2024-11-13 15:38:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:38:28,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 112 [2024-11-13 15:38:28,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:28,156 INFO L225 Difference]: With dead ends: 3091 [2024-11-13 15:38:28,156 INFO L226 Difference]: Without dead ends: 3085 [2024-11-13 15:38:28,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:38:28,161 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 185 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:28,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 287 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:38:28,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2024-11-13 15:38:28,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 1809. [2024-11-13 15:38:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1697 states have (on average 1.2987625220978196) internal successors, (2204), 1740 states have internal predecessors, (2204), 60 states have call successors, (60), 8 states have call predecessors, (60), 8 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 15:38:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2324 transitions. [2024-11-13 15:38:28,383 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2324 transitions. Word has length 112 [2024-11-13 15:38:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:28,384 INFO L471 AbstractCegarLoop]: Abstraction has 1809 states and 2324 transitions. [2024-11-13 15:38:28,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 15:38:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2324 transitions. [2024-11-13 15:38:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 15:38:28,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:28,386 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:28,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 15:38:28,386 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:28,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:28,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1780137919, now seen corresponding path program 1 times [2024-11-13 15:38:28,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:28,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430460355] [2024-11-13 15:38:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:28,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:28,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:28,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:38:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:28,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:38:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:28,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:38:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:28,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:28,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430460355] [2024-11-13 15:38:28,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430460355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:38:28,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:38:28,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:38:28,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711758847] [2024-11-13 15:38:28,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:38:28,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:38:28,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:28,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:38:28,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:38:28,527 INFO L87 Difference]: Start difference. First operand 1809 states and 2324 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 15:38:29,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:29,001 INFO L93 Difference]: Finished difference Result 5163 states and 6712 transitions. [2024-11-13 15:38:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:38:29,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 113 [2024-11-13 15:38:29,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:29,020 INFO L225 Difference]: With dead ends: 5163 [2024-11-13 15:38:29,020 INFO L226 Difference]: Without dead ends: 3627 [2024-11-13 15:38:29,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:38:29,026 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 186 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:29,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 540 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:38:29,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3627 states. [2024-11-13 15:38:29,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3627 to 2985. [2024-11-13 15:38:29,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2985 states, 2825 states have (on average 1.3023008849557522) internal successors, (3679), 2868 states have internal predecessors, (3679), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-13 15:38:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2985 states and 3895 transitions. [2024-11-13 15:38:29,364 INFO L78 Accepts]: Start accepts. Automaton has 2985 states and 3895 transitions. Word has length 113 [2024-11-13 15:38:29,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:29,365 INFO L471 AbstractCegarLoop]: Abstraction has 2985 states and 3895 transitions. [2024-11-13 15:38:29,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 15:38:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 3895 transitions. [2024-11-13 15:38:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 15:38:29,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:29,367 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:29,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 15:38:29,367 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:29,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:29,367 INFO L85 PathProgramCache]: Analyzing trace with hash 218807902, now seen corresponding path program 1 times [2024-11-13 15:38:29,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:29,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699196697] [2024-11-13 15:38:29,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:29,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:29,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:29,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:29,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:38:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:38:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:38:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 15:38:29,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:29,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699196697] [2024-11-13 15:38:29,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699196697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:38:29,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:38:29,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:38:29,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093254361] [2024-11-13 15:38:29,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:38:29,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:38:29,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:29,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:38:29,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:38:29,483 INFO L87 Difference]: Start difference. First operand 2985 states and 3895 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 15:38:30,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:30,124 INFO L93 Difference]: Finished difference Result 3147 states and 4087 transitions. [2024-11-13 15:38:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:38:30,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 115 [2024-11-13 15:38:30,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:30,141 INFO L225 Difference]: With dead ends: 3147 [2024-11-13 15:38:30,141 INFO L226 Difference]: Without dead ends: 3146 [2024-11-13 15:38:30,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:38:30,143 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 120 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:30,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 262 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:38:30,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2024-11-13 15:38:30,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 2984. [2024-11-13 15:38:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2984 states, 2825 states have (on average 1.2984070796460176) internal successors, (3668), 2867 states have internal predecessors, (3668), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-13 15:38:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 3884 transitions. [2024-11-13 15:38:30,543 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 3884 transitions. Word has length 115 [2024-11-13 15:38:30,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:30,543 INFO L471 AbstractCegarLoop]: Abstraction has 2984 states and 3884 transitions. [2024-11-13 15:38:30,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 15:38:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3884 transitions. [2024-11-13 15:38:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 15:38:30,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:30,545 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:30,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 15:38:30,546 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:30,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:30,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1806889454, now seen corresponding path program 1 times [2024-11-13 15:38:30,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:30,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014501155] [2024-11-13 15:38:30,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:30,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:30,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:30,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:30,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:38:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:30,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:38:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:30,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:38:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:30,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:30,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014501155] [2024-11-13 15:38:30,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014501155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:38:30,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331352746] [2024-11-13 15:38:30,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:30,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:30,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:38:30,804 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:38:30,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 15:38:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:30,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:38:30,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:38:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:31,353 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:38:31,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331352746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:38:31,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:38:31,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-13 15:38:31,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283592002] [2024-11-13 15:38:31,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:38:31,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:38:31,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:31,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:38:31,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:38:31,355 INFO L87 Difference]: Start difference. First operand 2984 states and 3884 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 15:38:32,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:32,166 INFO L93 Difference]: Finished difference Result 3500 states and 4581 transitions. [2024-11-13 15:38:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:38:32,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 116 [2024-11-13 15:38:32,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:32,193 INFO L225 Difference]: With dead ends: 3500 [2024-11-13 15:38:32,193 INFO L226 Difference]: Without dead ends: 3499 [2024-11-13 15:38:32,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:38:32,195 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 225 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:32,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 334 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:38:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3499 states. [2024-11-13 15:38:32,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3499 to 2983. [2024-11-13 15:38:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2825 states have (on average 1.2945132743362833) internal successors, (3657), 2866 states have internal predecessors, (3657), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-13 15:38:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 3873 transitions. [2024-11-13 15:38:32,431 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 3873 transitions. Word has length 116 [2024-11-13 15:38:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:32,432 INFO L471 AbstractCegarLoop]: Abstraction has 2983 states and 3873 transitions. [2024-11-13 15:38:32,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 15:38:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3873 transitions. [2024-11-13 15:38:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 15:38:32,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:32,433 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:32,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 15:38:32,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 15:38:32,634 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:32,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:32,635 INFO L85 PathProgramCache]: Analyzing trace with hash 464364337, now seen corresponding path program 1 times [2024-11-13 15:38:32,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:32,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382601339] [2024-11-13 15:38:32,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:32,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:32,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:38:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:38:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:32,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:38:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:32,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:32,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382601339] [2024-11-13 15:38:32,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382601339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:38:32,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691774589] [2024-11-13 15:38:32,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:32,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:32,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:38:32,934 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:38:32,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 15:38:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:33,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:38:33,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:38:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:38:33,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:38:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:33,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691774589] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:38:33,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:38:33,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 17 [2024-11-13 15:38:33,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894638507] [2024-11-13 15:38:33,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:38:33,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 15:38:33,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:33,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 15:38:33,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:38:33,600 INFO L87 Difference]: Start difference. First operand 2983 states and 3873 transitions. Second operand has 18 states, 17 states have (on average 11.882352941176471) internal successors, (202), 18 states have internal predecessors, (202), 8 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-13 15:38:34,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:34,348 INFO L93 Difference]: Finished difference Result 5105 states and 6719 transitions. [2024-11-13 15:38:34,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 15:38:34,349 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.882352941176471) internal successors, (202), 18 states have internal predecessors, (202), 8 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 117 [2024-11-13 15:38:34,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:34,365 INFO L225 Difference]: With dead ends: 5105 [2024-11-13 15:38:34,366 INFO L226 Difference]: Without dead ends: 3231 [2024-11-13 15:38:34,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=255, Invalid=935, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 15:38:34,370 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 257 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:34,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1770 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:38:34,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3231 states. [2024-11-13 15:38:34,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3231 to 3156. [2024-11-13 15:38:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 2987 states have (on average 1.2929360562437229) internal successors, (3862), 3031 states have internal predecessors, (3862), 114 states have call successors, (114), 13 states have call predecessors, (114), 13 states have return successors, (114), 111 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-13 15:38:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4090 transitions. [2024-11-13 15:38:34,669 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4090 transitions. Word has length 117 [2024-11-13 15:38:34,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:34,670 INFO L471 AbstractCegarLoop]: Abstraction has 3156 states and 4090 transitions. [2024-11-13 15:38:34,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.882352941176471) internal successors, (202), 18 states have internal predecessors, (202), 8 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-13 15:38:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4090 transitions. [2024-11-13 15:38:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 15:38:34,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:34,672 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:34,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-13 15:38:34,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 15:38:34,873 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:34,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:34,874 INFO L85 PathProgramCache]: Analyzing trace with hash -422464685, now seen corresponding path program 1 times [2024-11-13 15:38:34,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:34,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079751103] [2024-11-13 15:38:34,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:34,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:35,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:35,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:38:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:35,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:38:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:38:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:35,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:35,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079751103] [2024-11-13 15:38:35,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079751103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:38:35,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577093409] [2024-11-13 15:38:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:35,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:35,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:38:35,074 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:38:35,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 15:38:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:35,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:38:35,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:38:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:35,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:38:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:35,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577093409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:38:35,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:38:35,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2024-11-13 15:38:35,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287631792] [2024-11-13 15:38:35,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:38:35,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:38:35,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:35,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:38:35,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:38:35,843 INFO L87 Difference]: Start difference. First operand 3156 states and 4090 transitions. Second operand has 13 states, 12 states have (on average 23.833333333333332) internal successors, (286), 13 states have internal predecessors, (286), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-13 15:38:36,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:36,595 INFO L93 Difference]: Finished difference Result 3323 states and 4287 transitions. [2024-11-13 15:38:36,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:38:36,595 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 23.833333333333332) internal successors, (286), 13 states have internal predecessors, (286), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 119 [2024-11-13 15:38:36,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:36,605 INFO L225 Difference]: With dead ends: 3323 [2024-11-13 15:38:36,605 INFO L226 Difference]: Without dead ends: 3313 [2024-11-13 15:38:36,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:38:36,607 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 357 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:36,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 292 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:38:36,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2024-11-13 15:38:36,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 3195. [2024-11-13 15:38:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3195 states, 3035 states have (on average 1.2517298187808896) internal successors, (3799), 3072 states have internal predecessors, (3799), 112 states have call successors, (112), 13 states have call predecessors, (112), 13 states have return successors, (112), 109 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-13 15:38:36,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 3195 states and 4023 transitions. [2024-11-13 15:38:36,858 INFO L78 Accepts]: Start accepts. Automaton has 3195 states and 4023 transitions. Word has length 119 [2024-11-13 15:38:36,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:36,858 INFO L471 AbstractCegarLoop]: Abstraction has 3195 states and 4023 transitions. [2024-11-13 15:38:36,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 23.833333333333332) internal successors, (286), 13 states have internal predecessors, (286), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-13 15:38:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 4023 transitions. [2024-11-13 15:38:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 15:38:36,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:36,860 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:36,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 15:38:37,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:37,061 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:37,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:37,061 INFO L85 PathProgramCache]: Analyzing trace with hash -211503148, now seen corresponding path program 1 times [2024-11-13 15:38:37,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:37,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162958667] [2024-11-13 15:38:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:37,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:38:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:37,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:38:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:37,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:38:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:38:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:37,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:38:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:37,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:37,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162958667] [2024-11-13 15:38:37,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162958667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:38:37,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381836637] [2024-11-13 15:38:37,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:37,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:37,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:38:37,207 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:38:37,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 15:38:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:37,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:38:37,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:38:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:37,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:38:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:38:37,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381836637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:38:37,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:38:37,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-13 15:38:37,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766955500] [2024-11-13 15:38:37,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:38:37,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:38:37,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:37,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:38:37,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:38:37,942 INFO L87 Difference]: Start difference. First operand 3195 states and 4023 transitions. Second operand has 14 states, 13 states have (on average 22.23076923076923) internal successors, (289), 14 states have internal predecessors, (289), 7 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-13 15:38:38,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:38:38,943 INFO L93 Difference]: Finished difference Result 4486 states and 5638 transitions. [2024-11-13 15:38:38,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:38:38,943 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 22.23076923076923) internal successors, (289), 14 states have internal predecessors, (289), 7 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 120 [2024-11-13 15:38:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:38:38,951 INFO L225 Difference]: With dead ends: 4486 [2024-11-13 15:38:38,951 INFO L226 Difference]: Without dead ends: 4482 [2024-11-13 15:38:38,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:38:38,952 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 703 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:38:38,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 419 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:38:38,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2024-11-13 15:38:39,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 3195. [2024-11-13 15:38:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3195 states, 3037 states have (on average 1.2476127757655582) internal successors, (3789), 3072 states have internal predecessors, (3789), 112 states have call successors, (112), 13 states have call predecessors, (112), 13 states have return successors, (112), 109 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-13 15:38:39,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 3195 states and 4013 transitions. [2024-11-13 15:38:39,259 INFO L78 Accepts]: Start accepts. Automaton has 3195 states and 4013 transitions. Word has length 120 [2024-11-13 15:38:39,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:38:39,259 INFO L471 AbstractCegarLoop]: Abstraction has 3195 states and 4013 transitions. [2024-11-13 15:38:39,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 22.23076923076923) internal successors, (289), 14 states have internal predecessors, (289), 7 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-13 15:38:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 4013 transitions. [2024-11-13 15:38:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 15:38:39,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:38:39,261 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:38:39,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-13 15:38:39,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-13 15:38:39,462 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:38:39,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:38:39,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2033337205, now seen corresponding path program 1 times [2024-11-13 15:38:39,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:38:39,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066067469] [2024-11-13 15:38:39,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:39,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:38:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:38:39,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237633866] [2024-11-13 15:38:39,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:38:39,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:38:39,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:38:39,509 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:38:39,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 15:38:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:38:39,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 15:38:39,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:38:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 15:38:43,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:38:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 15:38:52,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:38:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066067469] [2024-11-13 15:38:52,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:38:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237633866] [2024-11-13 15:38:52,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237633866] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:38:52,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:38:52,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-13 15:38:52,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32996466] [2024-11-13 15:38:52,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:38:52,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:38:52,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:38:52,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:38:52,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=139, Unknown=1, NotChecked=0, Total=182 [2024-11-13 15:38:52,306 INFO L87 Difference]: Start difference. First operand 3195 states and 4013 transitions. Second operand has 14 states, 13 states have (on average 15.538461538461538) internal successors, (202), 14 states have internal predecessors, (202), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:38:59,086 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 47 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:39:03,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:39:08,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:12,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:15,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:19,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:39:24,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:28,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:32,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:36,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:40,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:44,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:48,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:52,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:39:56,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:00,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:40:05,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:09,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:13,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:17,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:18,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:40:22,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:26,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:30,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:34,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:39,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:43,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:40:47,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:51,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:55,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:40:59,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:04,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:08,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:13,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:18,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:22,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:26,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:30,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:31,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:35,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:41:39,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:44,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:48,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:52,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:57,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:41:57,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:41:57,232 INFO L93 Difference]: Finished difference Result 3437 states and 4271 transitions. [2024-11-13 15:41:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 15:41:57,232 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.538461538461538) internal successors, (202), 14 states have internal predecessors, (202), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) Word has length 121 [2024-11-13 15:41:57,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:41:57,240 INFO L225 Difference]: With dead ends: 3437 [2024-11-13 15:41:57,240 INFO L226 Difference]: Without dead ends: 3435 [2024-11-13 15:41:57,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=106, Invalid=313, Unknown=1, NotChecked=0, Total=420 [2024-11-13 15:41:57,242 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 709 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 38 mSolverCounterUnsat, 39 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 176.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 39 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 177.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:41:57,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 465 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1393 Invalid, 39 Unknown, 0 Unchecked, 177.2s Time] [2024-11-13 15:41:57,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3435 states. [2024-11-13 15:41:57,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3435 to 3202. [2024-11-13 15:41:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3202 states, 3044 states have (on average 1.2470433639947438) internal successors, (3796), 3079 states have internal predecessors, (3796), 112 states have call successors, (112), 13 states have call predecessors, (112), 13 states have return successors, (112), 109 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-13 15:41:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 3202 states and 4020 transitions. [2024-11-13 15:41:57,666 INFO L78 Accepts]: Start accepts. Automaton has 3202 states and 4020 transitions. Word has length 121 [2024-11-13 15:41:57,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:41:57,668 INFO L471 AbstractCegarLoop]: Abstraction has 3202 states and 4020 transitions. [2024-11-13 15:41:57,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.538461538461538) internal successors, (202), 14 states have internal predecessors, (202), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:41:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3202 states and 4020 transitions. [2024-11-13 15:41:57,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 15:41:57,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:41:57,671 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:41:57,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:57,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-13 15:41:57,871 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:41:57,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:57,872 INFO L85 PathProgramCache]: Analyzing trace with hash -525095023, now seen corresponding path program 1 times [2024-11-13 15:41:57,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:57,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215071635] [2024-11-13 15:41:57,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:57,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:41:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:58,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:41:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:58,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:41:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:41:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:41:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:41:58,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:41:58,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215071635] [2024-11-13 15:41:58,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215071635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:41:58,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880445941] [2024-11-13 15:41:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:58,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:41:58,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:58,095 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:41:58,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 15:41:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:58,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:41:58,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:41:58,364 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:41:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:41:58,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880445941] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:41:58,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:41:58,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 14 [2024-11-13 15:41:58,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055817705] [2024-11-13 15:41:58,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:41:58,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:41:58,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:41:58,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:41:58,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:41:58,612 INFO L87 Difference]: Start difference. First operand 3202 states and 4020 transitions. Second operand has 14 states, 14 states have (on average 13.214285714285714) internal successors, (185), 14 states have internal predecessors, (185), 5 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-13 15:41:59,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:41:59,212 INFO L93 Difference]: Finished difference Result 4942 states and 6169 transitions. [2024-11-13 15:41:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 15:41:59,212 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.214285714285714) internal successors, (185), 14 states have internal predecessors, (185), 5 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 121 [2024-11-13 15:41:59,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:41:59,224 INFO L225 Difference]: With dead ends: 4942 [2024-11-13 15:41:59,224 INFO L226 Difference]: Without dead ends: 3217 [2024-11-13 15:41:59,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 243 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=510, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:41:59,228 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 74 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:41:59,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1273 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:41:59,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2024-11-13 15:41:59,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 3210. [2024-11-13 15:41:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3210 states, 3051 states have (on average 1.2458210422812193) internal successors, (3801), 3086 states have internal predecessors, (3801), 112 states have call successors, (112), 14 states have call predecessors, (112), 14 states have return successors, (112), 109 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-13 15:41:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 3210 states and 4025 transitions. [2024-11-13 15:41:59,647 INFO L78 Accepts]: Start accepts. Automaton has 3210 states and 4025 transitions. Word has length 121 [2024-11-13 15:41:59,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:41:59,649 INFO L471 AbstractCegarLoop]: Abstraction has 3210 states and 4025 transitions. [2024-11-13 15:41:59,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.214285714285714) internal successors, (185), 14 states have internal predecessors, (185), 5 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-13 15:41:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 4025 transitions. [2024-11-13 15:41:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 15:41:59,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:41:59,651 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:41:59,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 15:41:59,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-13 15:41:59,852 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:41:59,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:59,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1069866984, now seen corresponding path program 1 times [2024-11-13 15:41:59,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:59,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122692463] [2024-11-13 15:41:59,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:59,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:41:59,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31099720] [2024-11-13 15:41:59,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:59,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:41:59,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:59,889 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:41:59,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 15:41:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:59,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 15:41:59,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:42:01,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:42:02,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:02,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122692463] [2024-11-13 15:42:02,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:42:02,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31099720] [2024-11-13 15:42:02,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31099720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:02,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:42:02,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-13 15:42:02,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618712044] [2024-11-13 15:42:02,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:02,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:42:02,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:02,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:42:02,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:42:02,426 INFO L87 Difference]: Start difference. First operand 3210 states and 4025 transitions. Second operand has 12 states, 11 states have (on average 18.454545454545453) internal successors, (203), 12 states have internal predecessors, (203), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:42:08,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:42:10,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:42:13,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:13,924 INFO L93 Difference]: Finished difference Result 6459 states and 8308 transitions. [2024-11-13 15:42:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:42:13,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 18.454545454545453) internal successors, (203), 12 states have internal predecessors, (203), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 124 [2024-11-13 15:42:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:13,949 INFO L225 Difference]: With dead ends: 6459 [2024-11-13 15:42:13,949 INFO L226 Difference]: Without dead ends: 6409 [2024-11-13 15:42:13,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:42:13,951 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 843 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:13,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 745 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-11-13 15:42:13,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6409 states. [2024-11-13 15:42:14,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6409 to 5800. [2024-11-13 15:42:14,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5800 states, 5551 states have (on average 1.202305890830481) internal successors, (6674), 5581 states have internal predecessors, (6674), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 204 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-13 15:42:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5800 states to 5800 states and 7088 transitions. [2024-11-13 15:42:14,805 INFO L78 Accepts]: Start accepts. Automaton has 5800 states and 7088 transitions. Word has length 124 [2024-11-13 15:42:14,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:14,805 INFO L471 AbstractCegarLoop]: Abstraction has 5800 states and 7088 transitions. [2024-11-13 15:42:14,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 18.454545454545453) internal successors, (203), 12 states have internal predecessors, (203), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:42:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5800 states and 7088 transitions. [2024-11-13 15:42:14,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:42:14,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:14,807 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:14,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 15:42:15,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-13 15:42:15,008 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:15,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:15,008 INFO L85 PathProgramCache]: Analyzing trace with hash 527043147, now seen corresponding path program 1 times [2024-11-13 15:42:15,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:15,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846596989] [2024-11-13 15:42:15,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:15,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:15,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:15,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:15,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:42:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:15,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:42:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:15,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:42:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:42:15,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:15,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846596989] [2024-11-13 15:42:15,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846596989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:15,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112038064] [2024-11-13 15:42:15,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:15,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:15,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:15,209 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:15,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 15:42:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:15,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:42:15,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:42:15,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:42:16,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112038064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:16,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:42:16,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-13 15:42:16,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48476426] [2024-11-13 15:42:16,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:16,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:42:16,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:16,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:42:16,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:42:16,256 INFO L87 Difference]: Start difference. First operand 5800 states and 7088 transitions. Second operand has 16 states, 15 states have (on average 19.6) internal successors, (294), 16 states have internal predecessors, (294), 8 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-13 15:42:18,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:18,454 INFO L93 Difference]: Finished difference Result 6183 states and 7476 transitions. [2024-11-13 15:42:18,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 15:42:18,455 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.6) internal successors, (294), 16 states have internal predecessors, (294), 8 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 125 [2024-11-13 15:42:18,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:18,474 INFO L225 Difference]: With dead ends: 6183 [2024-11-13 15:42:18,474 INFO L226 Difference]: Without dead ends: 6180 [2024-11-13 15:42:18,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=431, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:42:18,477 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 1697 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:18,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1697 Valid, 840 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 15:42:18,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2024-11-13 15:42:19,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5687. [2024-11-13 15:42:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5687 states, 5439 states have (on average 1.1912116197830485) internal successors, (6479), 5468 states have internal predecessors, (6479), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 204 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-13 15:42:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 6893 transitions. [2024-11-13 15:42:19,466 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 6893 transitions. Word has length 125 [2024-11-13 15:42:19,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:19,467 INFO L471 AbstractCegarLoop]: Abstraction has 5687 states and 6893 transitions. [2024-11-13 15:42:19,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.6) internal successors, (294), 16 states have internal predecessors, (294), 8 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-13 15:42:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 6893 transitions. [2024-11-13 15:42:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 15:42:19,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:19,469 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:19,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-13 15:42:19,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:19,670 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:19,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:19,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1501445081, now seen corresponding path program 1 times [2024-11-13 15:42:19,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:19,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867594764] [2024-11-13 15:42:19,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:19,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:19,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:19,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:19,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:42:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:42:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:42:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 17 proven. 53 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:42:19,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:19,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867594764] [2024-11-13 15:42:19,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867594764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:19,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633527676] [2024-11-13 15:42:19,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:19,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:19,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:19,872 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:19,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 15:42:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:19,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:42:19,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:42:20,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:42:20,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633527676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:20,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:42:20,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 15:42:20,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861206766] [2024-11-13 15:42:20,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:20,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:42:20,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:20,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:42:20,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:42:20,221 INFO L87 Difference]: Start difference. First operand 5687 states and 6893 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 15:42:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:21,619 INFO L93 Difference]: Finished difference Result 5943 states and 7168 transitions. [2024-11-13 15:42:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:42:21,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 139 [2024-11-13 15:42:21,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:21,633 INFO L225 Difference]: With dead ends: 5943 [2024-11-13 15:42:21,634 INFO L226 Difference]: Without dead ends: 5901 [2024-11-13 15:42:21,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:42:21,636 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 317 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:21,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 526 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:42:21,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5901 states. [2024-11-13 15:42:22,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5901 to 5223. [2024-11-13 15:42:22,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5223 states, 4995 states have (on average 1.1645645645645646) internal successors, (5817), 5020 states have internal predecessors, (5817), 191 states have call successors, (191), 14 states have call predecessors, (191), 14 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-13 15:42:22,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 6199 transitions. [2024-11-13 15:42:22,433 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 6199 transitions. Word has length 139 [2024-11-13 15:42:22,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:22,433 INFO L471 AbstractCegarLoop]: Abstraction has 5223 states and 6199 transitions. [2024-11-13 15:42:22,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 15:42:22,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 6199 transitions. [2024-11-13 15:42:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-13 15:42:22,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:22,435 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:22,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 15:42:22,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-13 15:42:22,639 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:22,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:22,640 INFO L85 PathProgramCache]: Analyzing trace with hash 184077634, now seen corresponding path program 1 times [2024-11-13 15:42:22,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:22,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859718921] [2024-11-13 15:42:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:22,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:22,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:42:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:42:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:22,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:42:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:22,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:42:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:42:22,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:22,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859718921] [2024-11-13 15:42:22,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859718921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:22,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649930638] [2024-11-13 15:42:22,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:22,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:22,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:22,942 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:22,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 15:42:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:23,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:42:23,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:42:23,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:42:23,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649930638] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:23,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:42:23,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 21 [2024-11-13 15:42:23,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443588296] [2024-11-13 15:42:23,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:23,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 15:42:23,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:23,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 15:42:23,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:42:23,777 INFO L87 Difference]: Start difference. First operand 5223 states and 6199 transitions. Second operand has 22 states, 21 states have (on average 11.952380952380953) internal successors, (251), 22 states have internal predecessors, (251), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2024-11-13 15:42:24,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:24,998 INFO L93 Difference]: Finished difference Result 5459 states and 6459 transitions. [2024-11-13 15:42:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-13 15:42:24,999 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 11.952380952380953) internal successors, (251), 22 states have internal predecessors, (251), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) Word has length 145 [2024-11-13 15:42:24,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:25,009 INFO L225 Difference]: With dead ends: 5459 [2024-11-13 15:42:25,009 INFO L226 Difference]: Without dead ends: 5456 [2024-11-13 15:42:25,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=371, Invalid=1435, Unknown=0, NotChecked=0, Total=1806 [2024-11-13 15:42:25,011 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 168 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:25,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 1224 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:42:25,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5456 states. [2024-11-13 15:42:25,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5456 to 5426. [2024-11-13 15:42:25,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5426 states, 5186 states have (on average 1.1604319321249519) internal successors, (6018), 5210 states have internal predecessors, (6018), 198 states have call successors, (198), 19 states have call predecessors, (198), 19 states have return successors, (198), 196 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-13 15:42:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5426 states to 5426 states and 6414 transitions. [2024-11-13 15:42:25,839 INFO L78 Accepts]: Start accepts. Automaton has 5426 states and 6414 transitions. Word has length 145 [2024-11-13 15:42:25,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:25,840 INFO L471 AbstractCegarLoop]: Abstraction has 5426 states and 6414 transitions. [2024-11-13 15:42:25,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 11.952380952380953) internal successors, (251), 22 states have internal predecessors, (251), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2024-11-13 15:42:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5426 states and 6414 transitions. [2024-11-13 15:42:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 15:42:25,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:25,842 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:25,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 15:42:26,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 15:42:26,047 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:26,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:26,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1807999974, now seen corresponding path program 1 times [2024-11-13 15:42:26,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:26,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232635571] [2024-11-13 15:42:26,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:26,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:26,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:26,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:26,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:42:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:26,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:42:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:26,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:42:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:26,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:42:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:42:26,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:26,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232635571] [2024-11-13 15:42:26,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232635571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:26,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082511933] [2024-11-13 15:42:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:26,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:26,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:26,339 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:26,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 15:42:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:26,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:42:26,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:42:26,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 15:42:27,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082511933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:27,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:42:27,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2024-11-13 15:42:27,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856830556] [2024-11-13 15:42:27,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:27,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:42:27,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:27,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:42:27,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:42:27,099 INFO L87 Difference]: Start difference. First operand 5426 states and 6414 transitions. Second operand has 12 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 5 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-13 15:42:27,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:27,980 INFO L93 Difference]: Finished difference Result 8160 states and 9751 transitions. [2024-11-13 15:42:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 15:42:27,980 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 5 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 153 [2024-11-13 15:42:27,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:27,988 INFO L225 Difference]: With dead ends: 8160 [2024-11-13 15:42:27,988 INFO L226 Difference]: Without dead ends: 5251 [2024-11-13 15:42:27,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 307 SyntacticMatches, 10 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:42:27,993 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 27 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:27,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1202 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:42:27,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5251 states. [2024-11-13 15:42:28,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5251 to 5251. [2024-11-13 15:42:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5251 states, 5018 states have (on average 1.1592267835791152) internal successors, (5817), 5042 states have internal predecessors, (5817), 191 states have call successors, (191), 19 states have call predecessors, (191), 19 states have return successors, (191), 189 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-13 15:42:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 6199 transitions. [2024-11-13 15:42:28,557 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 6199 transitions. Word has length 153 [2024-11-13 15:42:28,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:28,557 INFO L471 AbstractCegarLoop]: Abstraction has 5251 states and 6199 transitions. [2024-11-13 15:42:28,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 5 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-13 15:42:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 6199 transitions. [2024-11-13 15:42:28,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 15:42:28,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:28,558 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:28,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 15:42:28,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:28,759 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:28,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:28,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1655069862, now seen corresponding path program 1 times [2024-11-13 15:42:28,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:28,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928641912] [2024-11-13 15:42:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:28,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:42:28,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959708322] [2024-11-13 15:42:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:28,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:28,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:28,811 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:28,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 15:42:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:28,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:42:28,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 15:42:30,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 15:42:31,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:31,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928641912] [2024-11-13 15:42:31,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:42:31,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959708322] [2024-11-13 15:42:31,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959708322] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:31,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:42:31,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-13 15:42:31,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062391631] [2024-11-13 15:42:31,452 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:31,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 15:42:31,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:31,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 15:42:31,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:42:31,454 INFO L87 Difference]: Start difference. First operand 5251 states and 6199 transitions. Second operand has 15 states, 14 states have (on average 19.857142857142858) internal successors, (278), 15 states have internal predecessors, (278), 8 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-13 15:42:38,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:38,133 INFO L93 Difference]: Finished difference Result 6947 states and 8167 transitions. [2024-11-13 15:42:38,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:42:38,133 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 19.857142857142858) internal successors, (278), 15 states have internal predecessors, (278), 8 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 8 states have call successors, (12) Word has length 164 [2024-11-13 15:42:38,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:38,146 INFO L225 Difference]: With dead ends: 6947 [2024-11-13 15:42:38,146 INFO L226 Difference]: Without dead ends: 6923 [2024-11-13 15:42:38,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:42:38,149 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 1049 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 2667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:38,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 963 Invalid, 2667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2607 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-13 15:42:38,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6923 states. [2024-11-13 15:42:38,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6923 to 6013. [2024-11-13 15:42:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 5761 states have (on average 1.139038361395591) internal successors, (6562), 5785 states have internal predecessors, (6562), 210 states have call successors, (210), 19 states have call predecessors, (210), 19 states have return successors, (210), 208 states have call predecessors, (210), 210 states have call successors, (210) [2024-11-13 15:42:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 6982 transitions. [2024-11-13 15:42:38,928 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 6982 transitions. Word has length 164 [2024-11-13 15:42:38,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:38,928 INFO L471 AbstractCegarLoop]: Abstraction has 6013 states and 6982 transitions. [2024-11-13 15:42:38,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 19.857142857142858) internal successors, (278), 15 states have internal predecessors, (278), 8 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-13 15:42:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 6982 transitions. [2024-11-13 15:42:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 15:42:38,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:38,930 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:38,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 15:42:39,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 15:42:39,131 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:39,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:39,132 INFO L85 PathProgramCache]: Analyzing trace with hash -992579893, now seen corresponding path program 1 times [2024-11-13 15:42:39,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:39,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953235800] [2024-11-13 15:42:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:39,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:42:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:42:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:42:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:42:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 15:42:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:42:39,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:39,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953235800] [2024-11-13 15:42:39,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953235800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:39,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348418656] [2024-11-13 15:42:39,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:39,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:39,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:39,634 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:39,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 15:42:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:39,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:42:39,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:40,162 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:42:40,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:42:40,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348418656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:40,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:42:40,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2024-11-13 15:42:40,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700670036] [2024-11-13 15:42:40,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:40,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 15:42:40,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:40,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 15:42:40,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:42:40,679 INFO L87 Difference]: Start difference. First operand 6013 states and 6982 transitions. Second operand has 26 states, 25 states have (on average 12.32) internal successors, (308), 26 states have internal predecessors, (308), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-13 15:42:42,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:42,106 INFO L93 Difference]: Finished difference Result 6222 states and 7204 transitions. [2024-11-13 15:42:42,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-13 15:42:42,106 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 12.32) internal successors, (308), 26 states have internal predecessors, (308), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) Word has length 177 [2024-11-13 15:42:42,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:42,116 INFO L225 Difference]: With dead ends: 6222 [2024-11-13 15:42:42,117 INFO L226 Difference]: Without dead ends: 6219 [2024-11-13 15:42:42,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=541, Invalid=2111, Unknown=0, NotChecked=0, Total=2652 [2024-11-13 15:42:42,121 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 201 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1637 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:42,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1637 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:42:42,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6219 states. [2024-11-13 15:42:42,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6219 to 6180. [2024-11-13 15:42:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6180 states, 5917 states have (on average 1.137231705256042) internal successors, (6729), 5941 states have internal predecessors, (6729), 215 states have call successors, (215), 25 states have call predecessors, (215), 25 states have return successors, (215), 213 states have call predecessors, (215), 215 states have call successors, (215) [2024-11-13 15:42:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6180 states to 6180 states and 7159 transitions. [2024-11-13 15:42:42,880 INFO L78 Accepts]: Start accepts. Automaton has 6180 states and 7159 transitions. Word has length 177 [2024-11-13 15:42:42,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:42,880 INFO L471 AbstractCegarLoop]: Abstraction has 6180 states and 7159 transitions. [2024-11-13 15:42:42,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 12.32) internal successors, (308), 26 states have internal predecessors, (308), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-13 15:42:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 6180 states and 7159 transitions. [2024-11-13 15:42:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 15:42:42,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:42,882 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:42,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 15:42:43,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 15:42:43,083 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:43,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash 2054160183, now seen corresponding path program 1 times [2024-11-13 15:42:43,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:43,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332729716] [2024-11-13 15:42:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:43,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:42:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:42:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:42:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 15:42:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 15:42:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:42:43,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:43,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332729716] [2024-11-13 15:42:43,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332729716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:43,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748170407] [2024-11-13 15:42:43,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:43,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:43,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:43,537 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 15:42:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:43,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:42:43,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:42:44,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:42:44,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748170407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:44,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:42:44,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2024-11-13 15:42:44,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923476216] [2024-11-13 15:42:44,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:44,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 15:42:44,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:44,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 15:42:44,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:42:44,735 INFO L87 Difference]: Start difference. First operand 6180 states and 7159 transitions. Second operand has 26 states, 25 states have (on average 12.64) internal successors, (316), 26 states have internal predecessors, (316), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-13 15:42:46,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:46,491 INFO L93 Difference]: Finished difference Result 7104 states and 8210 transitions. [2024-11-13 15:42:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-13 15:42:46,491 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 12.64) internal successors, (316), 26 states have internal predecessors, (316), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) Word has length 181 [2024-11-13 15:42:46,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:46,504 INFO L225 Difference]: With dead ends: 7104 [2024-11-13 15:42:46,505 INFO L226 Difference]: Without dead ends: 7101 [2024-11-13 15:42:46,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=627, Invalid=2453, Unknown=0, NotChecked=0, Total=3080 [2024-11-13 15:42:46,508 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 321 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:46,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 2154 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:42:46,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7101 states. [2024-11-13 15:42:47,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7101 to 6942. [2024-11-13 15:42:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6942 states, 6645 states have (on average 1.1340857787810383) internal successors, (7536), 6671 states have internal predecessors, (7536), 240 states have call successors, (240), 34 states have call predecessors, (240), 34 states have return successors, (240), 236 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-13 15:42:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6942 states to 6942 states and 8016 transitions. [2024-11-13 15:42:47,349 INFO L78 Accepts]: Start accepts. Automaton has 6942 states and 8016 transitions. Word has length 181 [2024-11-13 15:42:47,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:47,350 INFO L471 AbstractCegarLoop]: Abstraction has 6942 states and 8016 transitions. [2024-11-13 15:42:47,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 12.64) internal successors, (316), 26 states have internal predecessors, (316), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2024-11-13 15:42:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 6942 states and 8016 transitions. [2024-11-13 15:42:47,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 15:42:47,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:47,353 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:47,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-13 15:42:47,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-13 15:42:47,555 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:47,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:47,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1543231871, now seen corresponding path program 2 times [2024-11-13 15:42:47,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:47,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125754732] [2024-11-13 15:42:47,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:47,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:47,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:47,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:47,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:42:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:47,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:42:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:47,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:42:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:48,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:42:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 15:42:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:42:48,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:48,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125754732] [2024-11-13 15:42:48,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125754732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110063839] [2024-11-13 15:42:48,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:42:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:48,015 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:48,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 15:42:48,150 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:42:48,151 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:42:48,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:42:48,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 142 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:42:48,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:42:49,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110063839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:49,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:42:49,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 14 [2024-11-13 15:42:49,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400839373] [2024-11-13 15:42:49,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:49,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:42:49,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:42:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:42:49,087 INFO L87 Difference]: Start difference. First operand 6942 states and 8016 transitions. Second operand has 14 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 states have internal predecessors, (174), 6 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-13 15:42:50,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:50,620 INFO L93 Difference]: Finished difference Result 9336 states and 10840 transitions. [2024-11-13 15:42:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:42:50,621 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 states have internal predecessors, (174), 6 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 185 [2024-11-13 15:42:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:50,635 INFO L225 Difference]: With dead ends: 9336 [2024-11-13 15:42:50,635 INFO L226 Difference]: Without dead ends: 7107 [2024-11-13 15:42:50,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 372 SyntacticMatches, 11 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:42:50,643 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 178 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:50,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 1262 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:42:50,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2024-11-13 15:42:51,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 7062. [2024-11-13 15:42:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7062 states, 6761 states have (on average 1.135630823842627) internal successors, (7678), 6787 states have internal predecessors, (7678), 242 states have call successors, (242), 36 states have call predecessors, (242), 36 states have return successors, (242), 238 states have call predecessors, (242), 242 states have call successors, (242) [2024-11-13 15:42:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7062 states to 7062 states and 8162 transitions. [2024-11-13 15:42:51,855 INFO L78 Accepts]: Start accepts. Automaton has 7062 states and 8162 transitions. Word has length 185 [2024-11-13 15:42:51,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:51,856 INFO L471 AbstractCegarLoop]: Abstraction has 7062 states and 8162 transitions. [2024-11-13 15:42:51,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 states have internal predecessors, (174), 6 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-13 15:42:51,856 INFO L276 IsEmpty]: Start isEmpty. Operand 7062 states and 8162 transitions. [2024-11-13 15:42:51,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-13 15:42:51,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:51,859 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:51,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-13 15:42:52,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:52,063 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:42:52,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1212470149, now seen corresponding path program 1 times [2024-11-13 15:42:52,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:52,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666168365] [2024-11-13 15:42:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:42:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:42:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:42:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:42:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:42:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 15:42:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 15:42:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:42:52,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:52,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666168365] [2024-11-13 15:42:52,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666168365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:42:52,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679792391] [2024-11-13 15:42:52,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:52,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:42:52,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:52,409 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:42:52,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 15:42:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:52,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:42:52,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:42:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 122 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:42:53,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:42:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 15:42:53,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679792391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:42:53,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:42:53,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 14] total 20 [2024-11-13 15:42:53,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249241402] [2024-11-13 15:42:53,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:42:53,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 15:42:53,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:53,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 15:42:53,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:42:53,636 INFO L87 Difference]: Start difference. First operand 7062 states and 8162 transitions. Second operand has 20 states, 20 states have (on average 16.2) internal successors, (324), 20 states have internal predecessors, (324), 10 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-13 15:43:00,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:43:00,744 INFO L93 Difference]: Finished difference Result 9688 states and 11129 transitions. [2024-11-13 15:43:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-13 15:43:00,745 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 16.2) internal successors, (324), 20 states have internal predecessors, (324), 10 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) Word has length 185 [2024-11-13 15:43:00,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:43:00,756 INFO L225 Difference]: With dead ends: 9688 [2024-11-13 15:43:00,756 INFO L226 Difference]: Without dead ends: 8469 [2024-11-13 15:43:00,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 360 SyntacticMatches, 11 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1702 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=659, Invalid=4597, Unknown=0, NotChecked=0, Total=5256 [2024-11-13 15:43:00,762 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 880 mSDsluCounter, 1240 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 4573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 4551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:43:00,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1377 Invalid, 4573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 4551 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-13 15:43:00,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8469 states. [2024-11-13 15:43:01,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8469 to 7556. [2024-11-13 15:43:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7556 states, 7233 states have (on average 1.1361813908475045) internal successors, (8218), 7258 states have internal predecessors, (8218), 257 states have call successors, (257), 43 states have call predecessors, (257), 43 states have return successors, (257), 254 states have call predecessors, (257), 257 states have call successors, (257) [2024-11-13 15:43:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7556 states to 7556 states and 8732 transitions. [2024-11-13 15:43:01,743 INFO L78 Accepts]: Start accepts. Automaton has 7556 states and 8732 transitions. Word has length 185 [2024-11-13 15:43:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:43:01,744 INFO L471 AbstractCegarLoop]: Abstraction has 7556 states and 8732 transitions. [2024-11-13 15:43:01,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 16.2) internal successors, (324), 20 states have internal predecessors, (324), 10 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-13 15:43:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7556 states and 8732 transitions. [2024-11-13 15:43:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-13 15:43:01,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:43:01,747 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:43:01,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-13 15:43:01,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:43:01,948 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:43:01,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:43:01,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1483388004, now seen corresponding path program 1 times [2024-11-13 15:43:01,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:43:01,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004908161] [2024-11-13 15:43:01,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:43:01,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:43:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:02,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 15:43:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:02,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 15:43:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:02,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 15:43:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:02,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:43:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:43:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:02,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:43:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:02,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 15:43:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-13 15:43:02,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:43:02,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004908161] [2024-11-13 15:43:02,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004908161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:43:02,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:43:02,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:43:02,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6280072] [2024-11-13 15:43:02,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:43:02,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:43:02,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:43:02,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:43:02,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:43:02,105 INFO L87 Difference]: Start difference. First operand 7556 states and 8732 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:43:02,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:43:02,799 INFO L93 Difference]: Finished difference Result 10281 states and 11920 transitions. [2024-11-13 15:43:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:43:02,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 189 [2024-11-13 15:43:02,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:43:02,807 INFO L225 Difference]: With dead ends: 10281 [2024-11-13 15:43:02,807 INFO L226 Difference]: Without dead ends: 3837 [2024-11-13 15:43:02,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:43:02,813 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 23 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:43:02,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 553 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:43:02,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2024-11-13 15:43:03,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3594. [2024-11-13 15:43:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3594 states, 3416 states have (on average 1.1124121779859484) internal successors, (3800), 3436 states have internal predecessors, (3800), 119 states have call successors, (119), 41 states have call predecessors, (119), 41 states have return successors, (119), 116 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-13 15:43:03,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 3594 states and 4038 transitions. [2024-11-13 15:43:03,300 INFO L78 Accepts]: Start accepts. Automaton has 3594 states and 4038 transitions. Word has length 189 [2024-11-13 15:43:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:43:03,301 INFO L471 AbstractCegarLoop]: Abstraction has 3594 states and 4038 transitions. [2024-11-13 15:43:03,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:43:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3594 states and 4038 transitions. [2024-11-13 15:43:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-13 15:43:03,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:43:03,304 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:43:03,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 15:43:03,305 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-13 15:43:03,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:43:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1901986893, now seen corresponding path program 1 times [2024-11-13 15:43:03,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:43:03,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467999201] [2024-11-13 15:43:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:43:03,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:43:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:43:03,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079656164] [2024-11-13 15:43:03,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:43:03,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:43:03,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:43:03,358 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:43:03,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e132f521-9bb6-41a6-acf2-7b8c4f91ec38/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 15:43:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:03,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:43:03,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:02,618 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 32 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:45:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 95 refuted. 4 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-13 15:45:03,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:46:04,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:04,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467999201] [2024-11-13 15:46:04,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:46:04,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079656164] [2024-11-13 15:46:04,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079656164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:46:04,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:46:04,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-13 15:46:04,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187665290] [2024-11-13 15:46:04,189 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:46:04,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:46:04,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:04,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:46:04,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=370, Unknown=12, NotChecked=0, Total=462 [2024-11-13 15:46:04,191 INFO L87 Difference]: Start difference. First operand 3594 states and 4038 transitions. Second operand has 14 states, 13 states have (on average 12.846153846153847) internal successors, (167), 14 states have internal predecessors, (167), 6 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 6 states have call successors, (7)