./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.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_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/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_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/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_8c85346a-145f-4275-a36c-d932c63cb8a8/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 6c4c876bf3d38b01f54a088b76131bc8275dc44ae3ac622f7c3187fe3c7bf156 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:14:06,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:14:06,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 16:14:06,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:14:06,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:14:06,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:14:06,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:14:06,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:14:06,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:14:06,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:14:06,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:14:06,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:14:06,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:14:06,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:14:06,255 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:14:06,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:14:06,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:14:06,257 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:14:06,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:14:06,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:14:06,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:14:06,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:14:06,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:14:06,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:14:06,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:14:06,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:14:06,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:14:06,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:14:06,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:14:06,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:14:06,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:14:06,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:14:06,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:14:06,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:14:06,259 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_8c85346a-145f-4275-a36c-d932c63cb8a8/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 -> 6c4c876bf3d38b01f54a088b76131bc8275dc44ae3ac622f7c3187fe3c7bf156 [2024-11-13 16:14:06,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:14:06,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:14:06,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:14:06,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:14:06,556 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:14:06,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c Unable to find full path for "g++" [2024-11-13 16:14:08,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:14:08,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:14:08,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2024-11-13 16:14:08,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/data/f1cbcea0a/905d315af9174c7db93439493879024d/FLAG22870197c [2024-11-13 16:14:08,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/data/f1cbcea0a/905d315af9174c7db93439493879024d [2024-11-13 16:14:08,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:14:08,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:14:08,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:14:08,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:14:08,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:14:08,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:14:08" (1/1) ... [2024-11-13 16:14:08,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486ee313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:08, skipping insertion in model container [2024-11-13 16:14:08,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:14:08" (1/1) ... [2024-11-13 16:14:08,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:14:09,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:14:09,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:14:09,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:14:09,112 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:14:09,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09 WrapperNode [2024-11-13 16:14:09,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:14:09,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:14:09,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:14:09,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:14:09,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,157 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2024-11-13 16:14:09,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:14:09,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:14:09,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:14:09,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:14:09,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,171 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,196 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 16:14:09,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:14:09,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:14:09,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:14:09,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:14:09,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (1/1) ... [2024-11-13 16:14:09,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:14:09,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:09,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:14:09,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:14:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:14:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:14:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:14:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:14:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:14:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:14:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:14:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:14:09,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:14:09,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:14:09,935 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-13 16:14:09,935 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:14:09,953 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:14:09,953 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:14:09,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:14:09 BoogieIcfgContainer [2024-11-13 16:14:09,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:14:09,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:14:09,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:14:09,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:14:09,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:14:08" (1/3) ... [2024-11-13 16:14:09,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce60370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:14:09, skipping insertion in model container [2024-11-13 16:14:09,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:14:09" (2/3) ... [2024-11-13 16:14:09,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce60370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:14:09, skipping insertion in model container [2024-11-13 16:14:09,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:14:09" (3/3) ... [2024-11-13 16:14:09,963 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat2-ll_valuebound10.c [2024-11-13 16:14:09,979 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:14:09,980 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG fermat2-ll_valuebound10.c that has 3 procedures, 138 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2024-11-13 16:14:10,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:14:10,056 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;@570fa5b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:14:10,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-13 16:14:10,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 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 16:14:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:14:10,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:10,071 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:10,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:10,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash -969785577, now seen corresponding path program 1 times [2024-11-13 16:14:10,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:10,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705189884] [2024-11-13 16:14:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,235 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 16:14:10,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:10,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705189884] [2024-11-13 16:14:10,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705189884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:10,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:10,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:14:10,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900093391] [2024-11-13 16:14:10,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:10,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:14:10,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:10,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:14:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:14:10,275 INFO L87 Difference]: Start difference. First operand has 138 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:14:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:10,317 INFO L93 Difference]: Finished difference Result 266 states and 295 transitions. [2024-11-13 16:14:10,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:14:10,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-13 16:14:10,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:10,329 INFO L225 Difference]: With dead ends: 266 [2024-11-13 16:14:10,329 INFO L226 Difference]: Without dead ends: 125 [2024-11-13 16:14:10,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:14:10,337 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:10,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:14:10,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-13 16:14:10,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-13 16:14:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 68 states have (on average 1.75) internal successors, (119), 117 states have internal predecessors, (119), 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 16:14:10,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 129 transitions. [2024-11-13 16:14:10,398 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 129 transitions. Word has length 14 [2024-11-13 16:14:10,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:10,399 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 129 transitions. [2024-11-13 16:14:10,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:14:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions. [2024-11-13 16:14:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:14:10,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:10,402 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:10,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:14:10,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:10,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:10,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1362753005, now seen corresponding path program 1 times [2024-11-13 16:14:10,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:10,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957732051] [2024-11-13 16:14:10,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:10,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,552 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 16:14:10,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:10,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957732051] [2024-11-13 16:14:10,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957732051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:10,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:10,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:14:10,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167545773] [2024-11-13 16:14:10,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:10,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:14:10,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:10,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:14:10,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:10,556 INFO L87 Difference]: Start difference. First operand 125 states and 129 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:14:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:10,636 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2024-11-13 16:14:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:14:10,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-13 16:14:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:10,638 INFO L225 Difference]: With dead ends: 125 [2024-11-13 16:14:10,638 INFO L226 Difference]: Without dead ends: 121 [2024-11-13 16:14:10,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 16:14:10,640 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 13 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 201 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 16:14:10,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 201 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:10,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-13 16:14:10,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-13 16:14:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 68 states have (on average 1.6911764705882353) internal successors, (115), 113 states have internal predecessors, (115), 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 16:14:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2024-11-13 16:14:10,650 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 14 [2024-11-13 16:14:10,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:10,651 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2024-11-13 16:14:10,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:14:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2024-11-13 16:14:10,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:14:10,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:10,652 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:10,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:14:10,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:10,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:10,653 INFO L85 PathProgramCache]: Analyzing trace with hash 704329844, now seen corresponding path program 1 times [2024-11-13 16:14:10,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:10,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112738719] [2024-11-13 16:14:10,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:10,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,759 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 16:14:10,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:10,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112738719] [2024-11-13 16:14:10,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112738719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:10,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:10,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:14:10,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527960955] [2024-11-13 16:14:10,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:10,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:14:10,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:10,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:14:10,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:10,761 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:14:10,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:10,817 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2024-11-13 16:14:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:14:10,818 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-13 16:14:10,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:10,819 INFO L225 Difference]: With dead ends: 121 [2024-11-13 16:14:10,819 INFO L226 Difference]: Without dead ends: 117 [2024-11-13 16:14:10,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 16:14:10,820 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 12 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:10,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 201 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:14:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-13 16:14:10,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-13 16:14:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.6323529411764706) internal successors, (111), 109 states have internal predecessors, (111), 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 16:14:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 121 transitions. [2024-11-13 16:14:10,832 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 121 transitions. Word has length 15 [2024-11-13 16:14:10,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:10,832 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 121 transitions. [2024-11-13 16:14:10,832 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 16:14:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2024-11-13 16:14:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:14:10,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:10,833 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:10,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:14:10,834 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:10,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:10,834 INFO L85 PathProgramCache]: Analyzing trace with hash -803919688, now seen corresponding path program 1 times [2024-11-13 16:14:10,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:10,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742367539] [2024-11-13 16:14:10,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:10,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:14:10,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306119755] [2024-11-13 16:14:10,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:10,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:10,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:10,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:10,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:14:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:10,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:14:10,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:11,040 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 16:14:11,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:11,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:11,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742367539] [2024-11-13 16:14:11,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:14:11,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306119755] [2024-11-13 16:14:11,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306119755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:11,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:11,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:14:11,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788765038] [2024-11-13 16:14:11,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:11,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:14:11,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:11,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:14:11,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:14:11,044 INFO L87 Difference]: Start difference. First operand 117 states and 121 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 16:14:11,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:11,189 INFO L93 Difference]: Finished difference Result 117 states and 121 transitions. [2024-11-13 16:14:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:14:11,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 19 [2024-11-13 16:14:11,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:11,194 INFO L225 Difference]: With dead ends: 117 [2024-11-13 16:14:11,194 INFO L226 Difference]: Without dead ends: 115 [2024-11-13 16:14:11,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:14:11,195 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 8 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:11,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 379 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:11,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-13 16:14:11,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-13 16:14:11,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.6029411764705883) internal successors, (109), 107 states have internal predecessors, (109), 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 16:14:11,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2024-11-13 16:14:11,211 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 19 [2024-11-13 16:14:11,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:11,212 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2024-11-13 16:14:11,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 16:14:11,212 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2024-11-13 16:14:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 16:14:11,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:11,216 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:11,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:14:11,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:11,417 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:11,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:11,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1786722301, now seen corresponding path program 1 times [2024-11-13 16:14:11,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:11,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075814402] [2024-11-13 16:14:11,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:11,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:14:11,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [354374509] [2024-11-13 16:14:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:11,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:11,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:11,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:11,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 16:14:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:11,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:14:11,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:14:11,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:11,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:11,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075814402] [2024-11-13 16:14:11,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:14:11,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354374509] [2024-11-13 16:14:11,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354374509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:11,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:14:11,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-13 16:14:11,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602985504] [2024-11-13 16:14:11,833 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 16:14:11,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:14:11,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:11,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:14:11,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:14:11,835 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 16:14:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:11,939 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2024-11-13 16:14:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:14:11,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-13 16:14:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:11,941 INFO L225 Difference]: With dead ends: 115 [2024-11-13 16:14:11,944 INFO L226 Difference]: Without dead ends: 112 [2024-11-13 16:14:11,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:14:11,945 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 80 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:11,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 294 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:11,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-13 16:14:11,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-13 16:14:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 68 states have (on average 1.5588235294117647) internal successors, (106), 104 states have internal predecessors, (106), 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 16:14:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2024-11-13 16:14:11,961 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 36 [2024-11-13 16:14:11,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:11,963 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2024-11-13 16:14:11,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 16:14:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2024-11-13 16:14:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 16:14:11,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:11,965 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:11,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:12,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:12,165 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:12,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:12,166 INFO L85 PathProgramCache]: Analyzing trace with hash -446183452, now seen corresponding path program 1 times [2024-11-13 16:14:12,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:12,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878537232] [2024-11-13 16:14:12,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:12,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:12,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:12,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:12,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:12,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:14:12,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:12,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878537232] [2024-11-13 16:14:12,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878537232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:12,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945173331] [2024-11-13 16:14:12,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:12,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:12,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:12,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:12,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:14:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:12,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:14:12,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:14:12,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:12,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945173331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:12,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:14:12,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 16:14:12,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503275320] [2024-11-13 16:14:12,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:12,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:14:12,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:12,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:14:12,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:14:12,776 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:12,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:12,937 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2024-11-13 16:14:12,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:14:12,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-13 16:14:12,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:12,939 INFO L225 Difference]: With dead ends: 112 [2024-11-13 16:14:12,939 INFO L226 Difference]: Without dead ends: 111 [2024-11-13 16:14:12,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:14:12,942 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 79 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:12,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 373 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:12,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-13 16:14:12,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-13 16:14:12,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 103 states have internal predecessors, (105), 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 16:14:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions. [2024-11-13 16:14:12,957 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 37 [2024-11-13 16:14:12,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:12,958 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 115 transitions. [2024-11-13 16:14:12,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2024-11-13 16:14:12,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:14:12,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:12,960 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:12,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:13,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:13,160 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:13,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:13,161 INFO L85 PathProgramCache]: Analyzing trace with hash 714434566, now seen corresponding path program 1 times [2024-11-13 16:14:13,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:13,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493955926] [2024-11-13 16:14:13,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:13,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:13,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:13,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493955926] [2024-11-13 16:14:13,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493955926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:13,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:13,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:14:13,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628317638] [2024-11-13 16:14:13,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:13,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:14:13,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:13,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:14:13,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:13,235 INFO L87 Difference]: Start difference. First operand 111 states and 115 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:13,293 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2024-11-13 16:14:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:14:13,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2024-11-13 16:14:13,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:13,295 INFO L225 Difference]: With dead ends: 114 [2024-11-13 16:14:13,295 INFO L226 Difference]: Without dead ends: 113 [2024-11-13 16:14:13,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 16:14:13,296 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:13,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 159 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:14:13,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-13 16:14:13,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-13 16:14:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 105 states have internal predecessors, (107), 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 16:14:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2024-11-13 16:14:13,316 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 39 [2024-11-13 16:14:13,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:13,317 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2024-11-13 16:14:13,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2024-11-13 16:14:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 16:14:13,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:13,318 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:13,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:14:13,319 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:13,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:13,323 INFO L85 PathProgramCache]: Analyzing trace with hash 672635143, now seen corresponding path program 1 times [2024-11-13 16:14:13,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:13,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012939093] [2024-11-13 16:14:13,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:13,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:13,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:13,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012939093] [2024-11-13 16:14:13,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012939093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:13,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:13,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:14:13,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214132915] [2024-11-13 16:14:13,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:13,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:14:13,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:13,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:14:13,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:14:13,441 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:13,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:13,561 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2024-11-13 16:14:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:14:13,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-11-13 16:14:13,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:13,563 INFO L225 Difference]: With dead ends: 115 [2024-11-13 16:14:13,563 INFO L226 Difference]: Without dead ends: 114 [2024-11-13 16:14:13,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 16:14:13,564 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 45 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:13,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 212 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:13,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-13 16:14:13,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-13 16:14:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 106 states have internal predecessors, (108), 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 16:14:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2024-11-13 16:14:13,577 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 40 [2024-11-13 16:14:13,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:13,578 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2024-11-13 16:14:13,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2024-11-13 16:14:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 16:14:13,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:13,583 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:13,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:14:13,583 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:13,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:13,584 INFO L85 PathProgramCache]: Analyzing trace with hash -623146968, now seen corresponding path program 1 times [2024-11-13 16:14:13,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:13,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031157515] [2024-11-13 16:14:13,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:14:13,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928465168] [2024-11-13 16:14:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:13,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:13,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:13,618 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:13,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 16:14:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:13,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:14:13,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:13,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:13,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:13,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031157515] [2024-11-13 16:14:13,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:14:13,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928465168] [2024-11-13 16:14:13,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928465168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:13,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:13,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:14:13,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378777201] [2024-11-13 16:14:13,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:13,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:14:13,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:13,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:14:13,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:13,706 INFO L87 Difference]: Start difference. First operand 114 states and 118 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:13,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:13,791 INFO L93 Difference]: Finished difference Result 150 states and 162 transitions. [2024-11-13 16:14:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:14:13,791 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-11-13 16:14:13,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:13,792 INFO L225 Difference]: With dead ends: 150 [2024-11-13 16:14:13,792 INFO L226 Difference]: Without dead ends: 149 [2024-11-13 16:14:13,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 16:14:13,793 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:13,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 188 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:13,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-13 16:14:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 115. [2024-11-13 16:14:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.5138888888888888) internal successors, (109), 107 states have internal predecessors, (109), 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 16:14:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2024-11-13 16:14:13,812 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 41 [2024-11-13 16:14:13,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:13,812 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2024-11-13 16:14:13,812 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2024-11-13 16:14:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:14:13,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:13,813 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:13,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 16:14:14,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:14,014 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:14,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:14,014 INFO L85 PathProgramCache]: Analyzing trace with hash -2137686743, now seen corresponding path program 1 times [2024-11-13 16:14:14,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:14,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542020762] [2024-11-13 16:14:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:14,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:14,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:14,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:14,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:14,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:14:14,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:14,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542020762] [2024-11-13 16:14:14,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542020762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:14,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793990148] [2024-11-13 16:14:14,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:14,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:14,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:14,261 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:14,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 16:14:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:14,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:14:14,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:14:14,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:14,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793990148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:14,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:14:14,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-13 16:14:14,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23862222] [2024-11-13 16:14:14,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:14:14,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:14:14,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:14,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:14:14,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-13 16:14:14,926 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-13 16:14:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:15,327 INFO L93 Difference]: Finished difference Result 150 states and 161 transitions. [2024-11-13 16:14:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:14:15,327 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 42 [2024-11-13 16:14:15,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:15,328 INFO L225 Difference]: With dead ends: 150 [2024-11-13 16:14:15,328 INFO L226 Difference]: Without dead ends: 149 [2024-11-13 16:14:15,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2024-11-13 16:14:15,330 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 324 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:15,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 568 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:14:15,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-13 16:14:15,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 116. [2024-11-13 16:14:15,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.5068493150684932) internal successors, (110), 108 states have internal predecessors, (110), 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 16:14:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2024-11-13 16:14:15,340 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 42 [2024-11-13 16:14:15,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:15,340 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2024-11-13 16:14:15,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-13 16:14:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2024-11-13 16:14:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 16:14:15,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:15,341 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:15,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:15,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:15,542 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:15,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:15,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1322589877, now seen corresponding path program 1 times [2024-11-13 16:14:15,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:15,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659629767] [2024-11-13 16:14:15,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:15,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:14:15,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [517927147] [2024-11-13 16:14:15,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:15,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:15,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:15,575 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:15,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 16:14:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:15,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:14:15,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:14:15,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:14:16,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:16,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659629767] [2024-11-13 16:14:16,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:14:16,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517927147] [2024-11-13 16:14:16,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517927147] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:14:16,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:14:16,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-13 16:14:16,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132364745] [2024-11-13 16:14:16,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:14:16,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:14:16,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:16,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:14:16,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:14:16,100 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 16:14:16,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:16,602 INFO L93 Difference]: Finished difference Result 192 states and 216 transitions. [2024-11-13 16:14:16,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:14:16,603 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 44 [2024-11-13 16:14:16,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:16,604 INFO L225 Difference]: With dead ends: 192 [2024-11-13 16:14:16,604 INFO L226 Difference]: Without dead ends: 177 [2024-11-13 16:14:16,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:14:16,605 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 159 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:16,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 323 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:14:16,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-13 16:14:16,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 159. [2024-11-13 16:14:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 124 states have (on average 1.4435483870967742) internal successors, (179), 150 states have internal predecessors, (179), 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 16:14:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 191 transitions. [2024-11-13 16:14:16,617 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 191 transitions. Word has length 44 [2024-11-13 16:14:16,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:16,617 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 191 transitions. [2024-11-13 16:14:16,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 16:14:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 191 transitions. [2024-11-13 16:14:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 16:14:16,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:16,618 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:16,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:16,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:16,819 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:16,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:16,819 INFO L85 PathProgramCache]: Analyzing trace with hash 301450605, now seen corresponding path program 1 times [2024-11-13 16:14:16,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:16,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413545977] [2024-11-13 16:14:16,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:16,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:14:16,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461056139] [2024-11-13 16:14:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:16,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:16,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:16,837 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:16,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 16:14:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:16,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:14:16,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:16,920 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:14:16,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:16,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413545977] [2024-11-13 16:14:16,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:14:16,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461056139] [2024-11-13 16:14:16,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461056139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:16,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:16,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:14:16,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039748946] [2024-11-13 16:14:16,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:16,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:14:16,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:16,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:14:16,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:14:16,922 INFO L87 Difference]: Start difference. First operand 159 states and 191 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:17,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:17,069 INFO L93 Difference]: Finished difference Result 273 states and 337 transitions. [2024-11-13 16:14:17,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:14:17,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2024-11-13 16:14:17,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:17,071 INFO L225 Difference]: With dead ends: 273 [2024-11-13 16:14:17,072 INFO L226 Difference]: Without dead ends: 244 [2024-11-13 16:14:17,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 16:14:17,073 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 44 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:17,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 134 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:17,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-13 16:14:17,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2024-11-13 16:14:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 199 states have (on average 1.3919597989949748) internal successors, (277), 225 states have internal predecessors, (277), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:14:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 293 transitions. [2024-11-13 16:14:17,089 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 293 transitions. Word has length 46 [2024-11-13 16:14:17,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:17,090 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 293 transitions. [2024-11-13 16:14:17,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 16:14:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions. [2024-11-13 16:14:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 16:14:17,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:17,091 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:17,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 16:14:17,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 16:14:17,295 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:17,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash -153695317, now seen corresponding path program 1 times [2024-11-13 16:14:17,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:17,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969839225] [2024-11-13 16:14:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:17,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:14:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:17,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:17,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969839225] [2024-11-13 16:14:17,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969839225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:17,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:17,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:14:17,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396637458] [2024-11-13 16:14:17,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:17,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:14:17,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:17,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:14:17,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:14:17,405 INFO L87 Difference]: Start difference. First operand 236 states and 293 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 16:14:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:17,573 INFO L93 Difference]: Finished difference Result 236 states and 293 transitions. [2024-11-13 16:14:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:14:17,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 64 [2024-11-13 16:14:17,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:17,575 INFO L225 Difference]: With dead ends: 236 [2024-11-13 16:14:17,576 INFO L226 Difference]: Without dead ends: 235 [2024-11-13 16:14:17,576 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 16:14:17,576 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 101 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:17,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 178 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-13 16:14:17,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-11-13 16:14:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 199 states have (on average 1.3718592964824121) internal successors, (273), 224 states have internal predecessors, (273), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:14:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 289 transitions. [2024-11-13 16:14:17,594 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 289 transitions. Word has length 64 [2024-11-13 16:14:17,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:17,595 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 289 transitions. [2024-11-13 16:14:17,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 16:14:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 289 transitions. [2024-11-13 16:14:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 16:14:17,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:17,599 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:17,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:14:17,599 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:17,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:17,600 INFO L85 PathProgramCache]: Analyzing trace with hash -153695637, now seen corresponding path program 1 times [2024-11-13 16:14:17,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:17,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825444944] [2024-11-13 16:14:17,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:17,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:14:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:17,719 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:17,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:17,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825444944] [2024-11-13 16:14:17,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825444944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:17,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:17,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:14:17,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77837750] [2024-11-13 16:14:17,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:17,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:14:17,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:17,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:14:17,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:14:17,724 INFO L87 Difference]: Start difference. First operand 235 states and 289 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 16:14:17,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:17,920 INFO L93 Difference]: Finished difference Result 243 states and 290 transitions. [2024-11-13 16:14:17,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:14:17,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 64 [2024-11-13 16:14:17,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:17,922 INFO L225 Difference]: With dead ends: 243 [2024-11-13 16:14:17,922 INFO L226 Difference]: Without dead ends: 242 [2024-11-13 16:14:17,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 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 16:14:17,924 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 30 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:17,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 197 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:14:17,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-13 16:14:17,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 235. [2024-11-13 16:14:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 199 states have (on average 1.3618090452261307) internal successors, (271), 224 states have internal predecessors, (271), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:14:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 287 transitions. [2024-11-13 16:14:17,946 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 287 transitions. Word has length 64 [2024-11-13 16:14:17,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:17,946 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 287 transitions. [2024-11-13 16:14:17,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 16:14:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 287 transitions. [2024-11-13 16:14:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:14:17,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:17,948 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:17,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 16:14:17,948 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:17,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:17,948 INFO L85 PathProgramCache]: Analyzing trace with hash -469587399, now seen corresponding path program 1 times [2024-11-13 16:14:17,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:17,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804927677] [2024-11-13 16:14:17,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:17,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:14:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:18,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:18,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804927677] [2024-11-13 16:14:18,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804927677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:18,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:18,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:14:18,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208000598] [2024-11-13 16:14:18,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:18,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:14:18,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:18,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:14:18,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:14:18,043 INFO L87 Difference]: Start difference. First operand 235 states and 287 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 16:14:18,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:18,213 INFO L93 Difference]: Finished difference Result 246 states and 298 transitions. [2024-11-13 16:14:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:14:18,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 65 [2024-11-13 16:14:18,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:18,215 INFO L225 Difference]: With dead ends: 246 [2024-11-13 16:14:18,215 INFO L226 Difference]: Without dead ends: 245 [2024-11-13 16:14:18,215 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 16:14:18,216 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 50 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:18,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 172 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:18,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-13 16:14:18,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 234. [2024-11-13 16:14:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 199 states have (on average 1.3417085427135678) internal successors, (267), 223 states have internal predecessors, (267), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:14:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 283 transitions. [2024-11-13 16:14:18,238 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 283 transitions. Word has length 65 [2024-11-13 16:14:18,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:18,239 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 283 transitions. [2024-11-13 16:14:18,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 16:14:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 283 transitions. [2024-11-13 16:14:18,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:14:18,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:18,240 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:18,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:14:18,240 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:18,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:18,241 INFO L85 PathProgramCache]: Analyzing trace with hash -469597329, now seen corresponding path program 1 times [2024-11-13 16:14:18,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:18,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138433296] [2024-11-13 16:14:18,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:18,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:14:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,363 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:18,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:18,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138433296] [2024-11-13 16:14:18,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138433296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:18,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:18,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:14:18,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363184775] [2024-11-13 16:14:18,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:18,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:14:18,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:18,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:14:18,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:14:18,365 INFO L87 Difference]: Start difference. First operand 234 states and 283 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 16:14:18,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:18,613 INFO L93 Difference]: Finished difference Result 237 states and 284 transitions. [2024-11-13 16:14:18,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:14:18,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 65 [2024-11-13 16:14:18,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:18,615 INFO L225 Difference]: With dead ends: 237 [2024-11-13 16:14:18,615 INFO L226 Difference]: Without dead ends: 236 [2024-11-13 16:14:18,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:14:18,616 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 118 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:18,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 169 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:14:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-13 16:14:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2024-11-13 16:14:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 199 states have (on average 1.3316582914572865) internal successors, (265), 223 states have internal predecessors, (265), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:14:18,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 281 transitions. [2024-11-13 16:14:18,636 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 281 transitions. Word has length 65 [2024-11-13 16:14:18,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:18,636 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 281 transitions. [2024-11-13 16:14:18,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 16:14:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 281 transitions. [2024-11-13 16:14:18,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 16:14:18,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:18,638 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-13 16:14:18,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:14:18,638 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:18,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:18,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1912592157, now seen corresponding path program 1 times [2024-11-13 16:14:18,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:18,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887093177] [2024-11-13 16:14:18,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:18,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:14:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:18,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:18,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887093177] [2024-11-13 16:14:18,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887093177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:14:18,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:14:18,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:14:18,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887062277] [2024-11-13 16:14:18,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:14:18,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:14:18,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:14:18,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:14:18,775 INFO L87 Difference]: Start difference. First operand 234 states and 281 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 16:14:18,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:18,939 INFO L93 Difference]: Finished difference Result 239 states and 288 transitions. [2024-11-13 16:14:18,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:14:18,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 69 [2024-11-13 16:14:18,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:18,941 INFO L225 Difference]: With dead ends: 239 [2024-11-13 16:14:18,942 INFO L226 Difference]: Without dead ends: 238 [2024-11-13 16:14:18,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:14:18,942 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 60 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:18,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 172 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:14:18,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-13 16:14:18,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2024-11-13 16:14:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 201 states have (on average 1.3134328358208955) internal successors, (264), 225 states have internal predecessors, (264), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:14:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 280 transitions. [2024-11-13 16:14:18,963 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 280 transitions. Word has length 69 [2024-11-13 16:14:18,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:18,963 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 280 transitions. [2024-11-13 16:14:18,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 16:14:18,964 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 280 transitions. [2024-11-13 16:14:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 16:14:18,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:18,965 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-13 16:14:18,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 16:14:18,965 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:18,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:18,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1331655699, now seen corresponding path program 1 times [2024-11-13 16:14:18,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:18,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646406425] [2024-11-13 16:14:18,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:18,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:19,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:19,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:19,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:14:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:19,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:19,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646406425] [2024-11-13 16:14:19,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646406425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:19,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588472474] [2024-11-13 16:14:19,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:19,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:19,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:19,122 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:19,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 16:14:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:19,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:14:19,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:19,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:19,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588472474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:14:19,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:14:19,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-13 16:14:19,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042292491] [2024-11-13 16:14:19,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:14:19,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:14:19,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:19,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:14:19,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:14:19,585 INFO L87 Difference]: Start difference. First operand 236 states and 280 transitions. Second operand has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-13 16:14:20,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:20,441 INFO L93 Difference]: Finished difference Result 302 states and 368 transitions. [2024-11-13 16:14:20,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:14:20,441 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 69 [2024-11-13 16:14:20,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:20,443 INFO L225 Difference]: With dead ends: 302 [2024-11-13 16:14:20,443 INFO L226 Difference]: Without dead ends: 300 [2024-11-13 16:14:20,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2024-11-13 16:14:20,445 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 342 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:20,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 337 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 16:14:20,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-13 16:14:20,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 241. [2024-11-13 16:14:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 207 states have (on average 1.3043478260869565) internal successors, (270), 230 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:14:20,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 286 transitions. [2024-11-13 16:14:20,468 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 286 transitions. Word has length 69 [2024-11-13 16:14:20,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:20,468 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 286 transitions. [2024-11-13 16:14:20,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-13 16:14:20,468 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 286 transitions. [2024-11-13 16:14:20,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 16:14:20,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:20,469 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:20,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 16:14:20,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 16:14:20,674 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:20,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash -839185200, now seen corresponding path program 1 times [2024-11-13 16:14:20,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:20,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950320906] [2024-11-13 16:14:20,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:20,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:20,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:20,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:14:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:20,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:20,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950320906] [2024-11-13 16:14:20,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950320906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:20,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731464943] [2024-11-13 16:14:20,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:20,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:20,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:20,789 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:20,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 16:14:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:20,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:14:20,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:21,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:21,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731464943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:14:21,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:14:21,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-13 16:14:21,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750275999] [2024-11-13 16:14:21,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:14:21,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 16:14:21,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:21,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 16:14:21,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:14:21,304 INFO L87 Difference]: Start difference. First operand 241 states and 286 transitions. Second operand has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-13 16:14:21,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:14:21,866 INFO L93 Difference]: Finished difference Result 275 states and 326 transitions. [2024-11-13 16:14:21,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:14:21,867 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 70 [2024-11-13 16:14:21,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:14:21,868 INFO L225 Difference]: With dead ends: 275 [2024-11-13 16:14:21,868 INFO L226 Difference]: Without dead ends: 273 [2024-11-13 16:14:21,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:14:21,869 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 242 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:14:21,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 236 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:14:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-13 16:14:21,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 246. [2024-11-13 16:14:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 212 states have (on average 1.2735849056603774) internal successors, (270), 235 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 16:14:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 286 transitions. [2024-11-13 16:14:21,891 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 286 transitions. Word has length 70 [2024-11-13 16:14:21,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:14:21,893 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 286 transitions. [2024-11-13 16:14:21,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-13 16:14:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 286 transitions. [2024-11-13 16:14:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 16:14:21,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:14:21,894 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:14:21,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 16:14:22,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:22,095 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:14:22,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:14:22,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1668346214, now seen corresponding path program 1 times [2024-11-13 16:14:22,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:14:22,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702371100] [2024-11-13 16:14:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:22,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:14:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:14:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:14:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:22,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:14:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:14:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:14:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:22,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:14:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702371100] [2024-11-13 16:14:22,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702371100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:14:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966331058] [2024-11-13 16:14:22,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:14:22,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:14:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:14:22,216 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:14:22,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 16:14:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:14:22,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:14:22,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:14:33,840 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_48| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_48| |v_ULTIMATE.start_main_~R~0#1_48|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true [2024-11-13 16:14:33,874 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 3 not checked. [2024-11-13 16:14:33,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:14:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:14:35,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966331058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:14:35,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:14:35,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-13 16:14:35,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910783515] [2024-11-13 16:14:35,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:14:35,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:14:35,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:14:35,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:14:35,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=106, Unknown=5, NotChecked=22, Total=182 [2024-11-13 16:14:35,632 INFO L87 Difference]: Start difference. First operand 246 states and 286 transitions. Second operand has 14 states, 13 states have (on average 9.0) internal successors, (117), 14 states have internal predecessors, (117), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-13 16:15:00,480 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 16:15:04,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:08,509 WARN L539 Checker$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 16:15:10,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:12,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:16,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:20,578 WARN L539 Checker$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 16:15:22,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:24,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:28,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:32,464 WARN L539 Checker$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 16:15:36,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:40,494 WARN L539 Checker$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 16:15:44,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:48,525 WARN L539 Checker$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 16:15:50,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:52,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:53,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:57,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:15:59,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:05,001 WARN L539 Checker$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 16:16:09,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:11,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:15,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:19,144 WARN L539 Checker$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 16:16:23,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:27,175 WARN L539 Checker$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 16:16:29,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:33,022 WARN L539 Checker$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 16:16:37,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:38,932 WARN L539 Checker$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 16:16:42,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:46,944 WARN L539 Checker$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 16:16:50,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:54,990 WARN L539 Checker$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 16:16:56,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:16:58,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:17:02,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:17:04,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:17:06,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:17:08,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:17:12,846 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 16:17:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:12,867 INFO L93 Difference]: Finished difference Result 286 states and 333 transitions. [2024-11-13 16:17:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 16:17:12,868 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.0) internal successors, (117), 14 states have internal predecessors, (117), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 70 [2024-11-13 16:17:12,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:12,869 INFO L225 Difference]: With dead ends: 286 [2024-11-13 16:17:12,869 INFO L226 Difference]: Without dead ends: 281 [2024-11-13 16:17:12,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 39.3s TimeCoverageRelationStatistics Valid=133, Invalid=277, Unknown=14, NotChecked=38, Total=462 [2024-11-13 16:17:12,871 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 245 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 31 mSolverCounterUnsat, 42 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 42 IncrementalHoareTripleChecker+Unknown, 216 IncrementalHoareTripleChecker+Unchecked, 130.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:12,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 350 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 607 Invalid, 42 Unknown, 216 Unchecked, 130.8s Time] [2024-11-13 16:17:12,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-13 16:17:12,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 268. [2024-11-13 16:17:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 237 states have (on average 1.2531645569620253) internal successors, (297), 256 states have internal predecessors, (297), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 16:17:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 315 transitions. [2024-11-13 16:17:12,895 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 315 transitions. Word has length 70 [2024-11-13 16:17:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:12,895 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 315 transitions. [2024-11-13 16:17:12,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.0) internal successors, (117), 14 states have internal predecessors, (117), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-13 16:17:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 315 transitions. [2024-11-13 16:17:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 16:17:12,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:12,897 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:12,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 16:17:13,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:13,102 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:13,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:13,102 INFO L85 PathProgramCache]: Analyzing trace with hash -244937345, now seen corresponding path program 1 times [2024-11-13 16:17:13,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:13,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991038870] [2024-11-13 16:17:13,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:13,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:13,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:13,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:13,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:13,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:13,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:17:13,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:13,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991038870] [2024-11-13 16:17:13,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991038870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:13,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584782595] [2024-11-13 16:17:13,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:13,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:13,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:13,362 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:13,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 16:17:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:13,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:17:13,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:17:13,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:17:13,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584782595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:17:13,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:17:13,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-13 16:17:13,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971146959] [2024-11-13 16:17:13,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:13,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 16:17:13,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:13,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 16:17:13,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:17:13,880 INFO L87 Difference]: Start difference. First operand 268 states and 315 transitions. Second operand has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-13 16:17:14,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:14,412 INFO L93 Difference]: Finished difference Result 297 states and 348 transitions. [2024-11-13 16:17:14,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:17:14,413 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 71 [2024-11-13 16:17:14,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:14,414 INFO L225 Difference]: With dead ends: 297 [2024-11-13 16:17:14,415 INFO L226 Difference]: Without dead ends: 296 [2024-11-13 16:17:14,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:17:14,416 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 128 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:14,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 189 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:17:14,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-13 16:17:14,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 268. [2024-11-13 16:17:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 237 states have (on average 1.2362869198312236) internal successors, (293), 256 states have internal predecessors, (293), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 16:17:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 311 transitions. [2024-11-13 16:17:14,439 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 311 transitions. Word has length 71 [2024-11-13 16:17:14,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:14,439 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 311 transitions. [2024-11-13 16:17:14,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 6 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-13 16:17:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 311 transitions. [2024-11-13 16:17:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 16:17:14,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:14,441 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-13 16:17:14,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 16:17:14,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:14,642 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:14,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1435008832, now seen corresponding path program 1 times [2024-11-13 16:17:14,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:14,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954039341] [2024-11-13 16:17:14,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:14,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:17:14,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252717362] [2024-11-13 16:17:14,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:14,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:14,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:14,670 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:14,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 16:17:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:14,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:17:14,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:17:14,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:17:14,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:14,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954039341] [2024-11-13 16:17:14,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:17:14,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252717362] [2024-11-13 16:17:14,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252717362] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:17:14,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:17:14,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-13 16:17:14,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076909314] [2024-11-13 16:17:14,972 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:14,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:17:14,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:14,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:17:14,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:17:14,974 INFO L87 Difference]: Start difference. First operand 268 states and 311 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 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 16:17:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:15,352 INFO L93 Difference]: Finished difference Result 551 states and 691 transitions. [2024-11-13 16:17:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:17:15,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 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 76 [2024-11-13 16:17:15,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:15,355 INFO L225 Difference]: With dead ends: 551 [2024-11-13 16:17:15,355 INFO L226 Difference]: Without dead ends: 525 [2024-11-13 16:17:15,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 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 16:17:15,357 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 164 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:15,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 285 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:17:15,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-13 16:17:15,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 470. [2024-11-13 16:17:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 441 states have (on average 1.18140589569161) internal successors, (521), 452 states have internal predecessors, (521), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 16:17:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 551 transitions. [2024-11-13 16:17:15,407 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 551 transitions. Word has length 76 [2024-11-13 16:17:15,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:15,408 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 551 transitions. [2024-11-13 16:17:15,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 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 16:17:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 551 transitions. [2024-11-13 16:17:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 16:17:15,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:15,409 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-13 16:17:15,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-13 16:17:15,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-13 16:17:15,610 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:15,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:15,610 INFO L85 PathProgramCache]: Analyzing trace with hash -652574692, now seen corresponding path program 1 times [2024-11-13 16:17:15,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:15,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585256393] [2024-11-13 16:17:15,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:15,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:15,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:15,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:15,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:15,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:15,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:17:15,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:15,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585256393] [2024-11-13 16:17:15,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585256393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:15,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71442125] [2024-11-13 16:17:15,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:15,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:15,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:15,816 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:15,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 16:17:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:15,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:17:15,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:17:16,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:27,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71442125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:27,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:17:27,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2024-11-13 16:17:27,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411654425] [2024-11-13 16:17:27,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:27,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:17:27,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:27,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:17:27,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=115, Unknown=2, NotChecked=0, Total=156 [2024-11-13 16:17:27,815 INFO L87 Difference]: Start difference. First operand 470 states and 551 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 16:17:32,235 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 16:17:32,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:32,430 INFO L93 Difference]: Finished difference Result 474 states and 551 transitions. [2024-11-13 16:17:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:17:32,431 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 82 [2024-11-13 16:17:32,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:32,433 INFO L225 Difference]: With dead ends: 474 [2024-11-13 16:17:32,433 INFO L226 Difference]: Without dead ends: 454 [2024-11-13 16:17:32,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=57, Invalid=151, Unknown=2, NotChecked=0, Total=210 [2024-11-13 16:17:32,435 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 124 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:32,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 196 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-13 16:17:32,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-13 16:17:32,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 435. [2024-11-13 16:17:32,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 410 states have (on average 1.146341463414634) internal successors, (470), 417 states have internal predecessors, (470), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 16:17:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 500 transitions. [2024-11-13 16:17:32,472 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 500 transitions. Word has length 82 [2024-11-13 16:17:32,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:32,473 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 500 transitions. [2024-11-13 16:17:32,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 16:17:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 500 transitions. [2024-11-13 16:17:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 16:17:32,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:32,474 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, 1, 1, 1, 1, 1, 1, 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 16:17:32,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 16:17:32,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 16:17:32,679 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:32,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:32,680 INFO L85 PathProgramCache]: Analyzing trace with hash 825980670, now seen corresponding path program 1 times [2024-11-13 16:17:32,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:32,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204014276] [2024-11-13 16:17:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:32,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:32,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:32,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:32,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:32,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:17:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 16:17:32,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:32,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204014276] [2024-11-13 16:17:32,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204014276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:32,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:17:32,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:17:32,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815423373] [2024-11-13 16:17:32,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:32,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:17:32,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:32,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:17:32,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:17:32,780 INFO L87 Difference]: Start difference. First operand 435 states and 500 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 16:17:32,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:32,930 INFO L93 Difference]: Finished difference Result 443 states and 508 transitions. [2024-11-13 16:17:32,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:17:32,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 94 [2024-11-13 16:17:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:32,933 INFO L225 Difference]: With dead ends: 443 [2024-11-13 16:17:32,933 INFO L226 Difference]: Without dead ends: 442 [2024-11-13 16:17:32,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 16:17:32,935 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 46 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:32,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 138 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:17:32,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-13 16:17:32,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 434. [2024-11-13 16:17:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 410 states have (on average 1.1243902439024391) internal successors, (461), 416 states have internal predecessors, (461), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 16:17:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 491 transitions. [2024-11-13 16:17:32,985 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 491 transitions. Word has length 94 [2024-11-13 16:17:32,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:32,986 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 491 transitions. [2024-11-13 16:17:32,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 16:17:32,986 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 491 transitions. [2024-11-13 16:17:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 16:17:32,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:32,987 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, 1, 1, 1, 1, 1, 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 16:17:32,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 16:17:32,988 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:32,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:32,988 INFO L85 PathProgramCache]: Analyzing trace with hash -164402884, now seen corresponding path program 1 times [2024-11-13 16:17:32,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:32,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157811888] [2024-11-13 16:17:32,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:32,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:17:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:17:33,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:33,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157811888] [2024-11-13 16:17:33,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157811888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:33,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187059832] [2024-11-13 16:17:33,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:33,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:33,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:33,182 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:33,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 16:17:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:33,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:17:33,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:17:33,532 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:17:33,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187059832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:33,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:17:33,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-13 16:17:33,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264934056] [2024-11-13 16:17:33,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:33,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:17:33,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:33,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:17:33,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:17:33,535 INFO L87 Difference]: Start difference. First operand 434 states and 491 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 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 16:17:33,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:33,806 INFO L93 Difference]: Finished difference Result 482 states and 549 transitions. [2024-11-13 16:17:33,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:17:33,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 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 95 [2024-11-13 16:17:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:33,809 INFO L225 Difference]: With dead ends: 482 [2024-11-13 16:17:33,809 INFO L226 Difference]: Without dead ends: 481 [2024-11-13 16:17:33,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 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 16:17:33,810 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 26 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:33,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 174 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:17:33,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-13 16:17:33,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 433. [2024-11-13 16:17:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 410 states have (on average 1.102439024390244) internal successors, (452), 415 states have internal predecessors, (452), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 16:17:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 482 transitions. [2024-11-13 16:17:33,857 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 482 transitions. Word has length 95 [2024-11-13 16:17:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:33,858 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 482 transitions. [2024-11-13 16:17:33,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 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 16:17:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 482 transitions. [2024-11-13 16:17:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 16:17:33,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:33,859 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, 1, 1, 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 16:17:33,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 16:17:34,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 16:17:34,064 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:34,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:34,064 INFO L85 PathProgramCache]: Analyzing trace with hash -220111614, now seen corresponding path program 1 times [2024-11-13 16:17:34,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:34,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223713399] [2024-11-13 16:17:34,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:34,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:34,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:34,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:34,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:17:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:17:34,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:34,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223713399] [2024-11-13 16:17:34,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223713399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:34,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225526070] [2024-11-13 16:17:34,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:34,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:34,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:34,231 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:34,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 16:17:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:34,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:17:34,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:17:34,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:17:34,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225526070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:17:34,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:17:34,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-13 16:17:34,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542986256] [2024-11-13 16:17:34,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:34,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 16:17:34,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:34,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 16:17:34,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:17:34,937 INFO L87 Difference]: Start difference. First operand 433 states and 482 transitions. Second operand has 16 states, 15 states have (on average 13.733333333333333) internal successors, (206), 16 states have internal predecessors, (206), 8 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 16:17:35,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:35,569 INFO L93 Difference]: Finished difference Result 461 states and 511 transitions. [2024-11-13 16:17:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 16:17:35,570 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 13.733333333333333) internal successors, (206), 16 states have internal predecessors, (206), 8 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 101 [2024-11-13 16:17:35,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:35,572 INFO L225 Difference]: With dead ends: 461 [2024-11-13 16:17:35,572 INFO L226 Difference]: Without dead ends: 460 [2024-11-13 16:17:35,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=238, Invalid=464, Unknown=0, NotChecked=0, Total=702 [2024-11-13 16:17:35,574 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 347 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:35,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 332 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:17:35,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-13 16:17:35,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 432. [2024-11-13 16:17:35,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 410 states have (on average 1.0804878048780489) internal successors, (443), 414 states have internal predecessors, (443), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 16:17:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 473 transitions. [2024-11-13 16:17:35,614 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 473 transitions. Word has length 101 [2024-11-13 16:17:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:35,615 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 473 transitions. [2024-11-13 16:17:35,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 13.733333333333333) internal successors, (206), 16 states have internal predecessors, (206), 8 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 16:17:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 473 transitions. [2024-11-13 16:17:35,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 16:17:35,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:35,617 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 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 16:17:35,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 16:17:35,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 16:17:35,818 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:35,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1734178275, now seen corresponding path program 1 times [2024-11-13 16:17:35,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:35,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913971381] [2024-11-13 16:17:35,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:35,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:17:35,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784288838] [2024-11-13 16:17:35,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:35,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:35,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:35,854 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:35,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 16:17:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:35,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:17:35,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 16:17:36,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 16:17:37,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:37,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913971381] [2024-11-13 16:17:37,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:17:37,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784288838] [2024-11-13 16:17:37,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784288838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:17:37,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:17:37,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-13 16:17:37,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435483366] [2024-11-13 16:17:37,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:37,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 16:17:37,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:37,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 16:17:37,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:17:37,095 INFO L87 Difference]: Start difference. First operand 432 states and 473 transitions. Second operand has 13 states, 12 states have (on average 13.0) internal successors, (156), 13 states have internal predecessors, (156), 7 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-13 16:17:38,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:38,730 INFO L93 Difference]: Finished difference Result 1437 states and 1592 transitions. [2024-11-13 16:17:38,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:17:38,730 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.0) internal successors, (156), 13 states have internal predecessors, (156), 7 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 104 [2024-11-13 16:17:38,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:38,736 INFO L225 Difference]: With dead ends: 1437 [2024-11-13 16:17:38,736 INFO L226 Difference]: Without dead ends: 1436 [2024-11-13 16:17:38,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:17:38,737 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 316 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:38,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 709 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 16:17:38,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2024-11-13 16:17:38,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1336. [2024-11-13 16:17:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1286 states have (on average 1.087869362363919) internal successors, (1399), 1290 states have internal predecessors, (1399), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-13 16:17:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1485 transitions. [2024-11-13 16:17:38,877 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1485 transitions. Word has length 104 [2024-11-13 16:17:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:38,878 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1485 transitions. [2024-11-13 16:17:38,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.0) internal successors, (156), 13 states have internal predecessors, (156), 7 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-13 16:17:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1485 transitions. [2024-11-13 16:17:38,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 16:17:38,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:38,880 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, 1, 1, 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 16:17:38,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 16:17:39,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-13 16:17:39,085 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:39,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:39,085 INFO L85 PathProgramCache]: Analyzing trace with hash -586172304, now seen corresponding path program 1 times [2024-11-13 16:17:39,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:39,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992427516] [2024-11-13 16:17:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:39,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:39,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:39,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:39,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:39,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:17:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 48 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:17:39,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:39,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992427516] [2024-11-13 16:17:39,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992427516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:39,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342675498] [2024-11-13 16:17:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:39,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:39,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:39,258 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:39,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 16:17:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:39,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:17:39,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:17:39,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:17:39,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342675498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:39,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:17:39,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 16:17:39,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132591155] [2024-11-13 16:17:39,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:39,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:17:39,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:39,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:17:39,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:17:39,524 INFO L87 Difference]: Start difference. First operand 1336 states and 1485 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 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 16:17:39,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:39,819 INFO L93 Difference]: Finished difference Result 1338 states and 1485 transitions. [2024-11-13 16:17:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:17:39,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 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 115 [2024-11-13 16:17:39,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:39,824 INFO L225 Difference]: With dead ends: 1338 [2024-11-13 16:17:39,824 INFO L226 Difference]: Without dead ends: 1321 [2024-11-13 16:17:39,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:17:39,826 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 47 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:39,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 206 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:17:39,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2024-11-13 16:17:39,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1319. [2024-11-13 16:17:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1271 states have (on average 1.054287962234461) internal successors, (1340), 1273 states have internal predecessors, (1340), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-13 16:17:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1426 transitions. [2024-11-13 16:17:39,955 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1426 transitions. Word has length 115 [2024-11-13 16:17:39,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:39,955 INFO L471 AbstractCegarLoop]: Abstraction has 1319 states and 1426 transitions. [2024-11-13 16:17:39,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 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 16:17:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1426 transitions. [2024-11-13 16:17:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 16:17:39,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:39,957 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 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] [2024-11-13 16:17:39,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-13 16:17:40,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 16:17:40,158 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:40,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:40,158 INFO L85 PathProgramCache]: Analyzing trace with hash 668045336, now seen corresponding path program 1 times [2024-11-13 16:17:40,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:40,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170397234] [2024-11-13 16:17:40,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:40,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:17:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:17:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 16:17:40,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:40,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170397234] [2024-11-13 16:17:40,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170397234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:40,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956777525] [2024-11-13 16:17:40,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:40,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:40,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:40,404 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:40,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 16:17:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:40,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:17:40,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 22 proven. 63 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 16:17:41,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 22 proven. 63 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 16:17:41,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956777525] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:17:41,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:17:41,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 21 [2024-11-13 16:17:41,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540711223] [2024-11-13 16:17:41,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:41,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 16:17:41,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:41,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 16:17:41,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-11-13 16:17:41,578 INFO L87 Difference]: Start difference. First operand 1319 states and 1426 transitions. Second operand has 21 states, 21 states have (on average 13.857142857142858) internal successors, (291), 21 states have internal predecessors, (291), 14 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 14 states have call predecessors, (21), 14 states have call successors, (21) [2024-11-13 16:17:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:42,947 INFO L93 Difference]: Finished difference Result 1796 states and 1945 transitions. [2024-11-13 16:17:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 16:17:42,948 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 13.857142857142858) internal successors, (291), 21 states have internal predecessors, (291), 14 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 14 states have call predecessors, (21), 14 states have call successors, (21) Word has length 132 [2024-11-13 16:17:42,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:42,953 INFO L225 Difference]: With dead ends: 1796 [2024-11-13 16:17:42,953 INFO L226 Difference]: Without dead ends: 1229 [2024-11-13 16:17:42,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=338, Invalid=1144, Unknown=0, NotChecked=0, Total=1482 [2024-11-13 16:17:42,955 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 161 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:42,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 289 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:17:42,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-13 16:17:43,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 802. [2024-11-13 16:17:43,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 770 states have (on average 1.035064935064935) internal successors, (797), 771 states have internal predecessors, (797), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-13 16:17:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 853 transitions. [2024-11-13 16:17:43,038 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 853 transitions. Word has length 132 [2024-11-13 16:17:43,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:43,038 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 853 transitions. [2024-11-13 16:17:43,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 13.857142857142858) internal successors, (291), 21 states have internal predecessors, (291), 14 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 14 states have call predecessors, (21), 14 states have call successors, (21) [2024-11-13 16:17:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 853 transitions. [2024-11-13 16:17:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 16:17:43,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:43,041 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:43,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 16:17:43,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 16:17:43,242 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:43,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash -968523975, now seen corresponding path program 2 times [2024-11-13 16:17:43,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:43,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100259265] [2024-11-13 16:17:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:43,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:17:43,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621529931] [2024-11-13 16:17:43,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:17:43,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:43,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:43,278 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:43,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 16:17:43,375 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 16:17:43,376 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:17:43,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:17:43,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 16:17:43,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-13 16:17:44,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:44,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100259265] [2024-11-13 16:17:44,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:17:44,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621529931] [2024-11-13 16:17:44,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621529931] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:17:44,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:17:44,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-13 16:17:44,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56262418] [2024-11-13 16:17:44,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:44,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 16:17:44,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:44,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 16:17:44,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:17:44,118 INFO L87 Difference]: Start difference. First operand 802 states and 853 transitions. Second operand has 12 states, 11 states have (on average 22.363636363636363) internal successors, (246), 12 states have internal predecessors, (246), 9 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-13 16:17:44,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:44,838 INFO L93 Difference]: Finished difference Result 2203 states and 2359 transitions. [2024-11-13 16:17:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:17:44,839 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 22.363636363636363) internal successors, (246), 12 states have internal predecessors, (246), 9 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) Word has length 166 [2024-11-13 16:17:44,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:44,845 INFO L225 Difference]: With dead ends: 2203 [2024-11-13 16:17:44,845 INFO L226 Difference]: Without dead ends: 2202 [2024-11-13 16:17:44,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:17:44,847 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 258 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:44,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 678 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:17:44,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2202 states. [2024-11-13 16:17:45,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2202 to 1924. [2024-11-13 16:17:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1856 states have (on average 1.037176724137931) internal successors, (1925), 1857 states have internal predecessors, (1925), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-13 16:17:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2053 transitions. [2024-11-13 16:17:45,057 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 2053 transitions. Word has length 166 [2024-11-13 16:17:45,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:45,057 INFO L471 AbstractCegarLoop]: Abstraction has 1924 states and 2053 transitions. [2024-11-13 16:17:45,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 22.363636363636363) internal successors, (246), 12 states have internal predecessors, (246), 9 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-13 16:17:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2053 transitions. [2024-11-13 16:17:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-13 16:17:45,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:45,060 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:17:45,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-13 16:17:45,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:45,261 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:45,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:45,261 INFO L85 PathProgramCache]: Analyzing trace with hash 452679361, now seen corresponding path program 2 times [2024-11-13 16:17:45,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:45,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512981861] [2024-11-13 16:17:45,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:45,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:17:45,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817038681] [2024-11-13 16:17:45,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:17:45,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:45,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:45,335 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:45,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 16:17:45,446 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 16:17:45,446 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:17:45,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 16:17:45,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 347 proven. 106 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-13 16:17:47,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:48,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:48,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512981861] [2024-11-13 16:17:48,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:17:48,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817038681] [2024-11-13 16:17:48,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817038681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:48,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:17:48,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-13 16:17:48,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836681158] [2024-11-13 16:17:48,014 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:48,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 16:17:48,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:48,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 16:17:48,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2024-11-13 16:17:48,015 INFO L87 Difference]: Start difference. First operand 1924 states and 2053 transitions. Second operand has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 15 states have internal predecessors, (176), 9 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-13 16:17:50,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:50,038 INFO L93 Difference]: Finished difference Result 2235 states and 2386 transitions. [2024-11-13 16:17:50,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 16:17:50,039 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 15 states have internal predecessors, (176), 9 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 224 [2024-11-13 16:17:50,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:50,044 INFO L225 Difference]: With dead ends: 2235 [2024-11-13 16:17:50,044 INFO L226 Difference]: Without dead ends: 1857 [2024-11-13 16:17:50,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 409 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=282, Invalid=978, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 16:17:50,047 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 96 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:50,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 436 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 16:17:50,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-11-13 16:17:50,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1857. [2024-11-13 16:17:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1791 states have (on average 1.036850921273032) internal successors, (1857), 1792 states have internal predecessors, (1857), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-13 16:17:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 1981 transitions. [2024-11-13 16:17:50,240 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 1981 transitions. Word has length 224 [2024-11-13 16:17:50,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:50,244 INFO L471 AbstractCegarLoop]: Abstraction has 1857 states and 1981 transitions. [2024-11-13 16:17:50,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.733333333333333) internal successors, (176), 15 states have internal predecessors, (176), 9 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-13 16:17:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 1981 transitions. [2024-11-13 16:17:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-13 16:17:50,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:50,248 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2024-11-13 16:17:50,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 16:17:50,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:50,449 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:50,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:50,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1734942887, now seen corresponding path program 1 times [2024-11-13 16:17:50,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:50,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509109843] [2024-11-13 16:17:50,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:50,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:17:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:17:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 16:17:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 16:17:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 16:17:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-13 16:17:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-13 16:17:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 164 proven. 572 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 16:17:51,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:51,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509109843] [2024-11-13 16:17:51,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509109843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:51,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503299676] [2024-11-13 16:17:51,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:51,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:51,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:51,326 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:51,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 16:17:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:51,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:17:51,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:52,584 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 164 proven. 572 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 16:17:52,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:17:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 76 proven. 660 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 16:17:53,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503299676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:17:53,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:17:53,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 45 [2024-11-13 16:17:53,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728986696] [2024-11-13 16:17:53,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:17:53,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-13 16:17:53,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:17:53,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-13 16:17:53,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1618, Unknown=0, NotChecked=0, Total=1980 [2024-11-13 16:17:53,558 INFO L87 Difference]: Start difference. First operand 1857 states and 1981 transitions. Second operand has 45 states, 45 states have (on average 13.533333333333333) internal successors, (609), 45 states have internal predecessors, (609), 24 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 24 states have call predecessors, (27), 24 states have call successors, (27) [2024-11-13 16:17:57,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:57,813 INFO L93 Difference]: Finished difference Result 2684 states and 2867 transitions. [2024-11-13 16:17:57,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-13 16:17:57,814 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 13.533333333333333) internal successors, (609), 45 states have internal predecessors, (609), 24 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 24 states have call predecessors, (27), 24 states have call successors, (27) Word has length 284 [2024-11-13 16:17:57,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:57,820 INFO L225 Difference]: With dead ends: 2684 [2024-11-13 16:17:57,821 INFO L226 Difference]: Without dead ends: 2120 [2024-11-13 16:17:57,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 563 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2643 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1440, Invalid=6392, Unknown=0, NotChecked=0, Total=7832 [2024-11-13 16:17:57,824 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 216 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 4298 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 4363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 4298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:57,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1007 Invalid, 4363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 4298 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 16:17:57,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2024-11-13 16:17:58,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2090. [2024-11-13 16:17:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2090 states, 2015 states have (on average 1.0357320099255583) internal successors, (2087), 2016 states have internal predecessors, (2087), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-13 16:17:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 2229 transitions. [2024-11-13 16:17:58,052 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 2229 transitions. Word has length 284 [2024-11-13 16:17:58,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:58,054 INFO L471 AbstractCegarLoop]: Abstraction has 2090 states and 2229 transitions. [2024-11-13 16:17:58,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 13.533333333333333) internal successors, (609), 45 states have internal predecessors, (609), 24 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 24 states have call predecessors, (27), 24 states have call successors, (27) [2024-11-13 16:17:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2229 transitions. [2024-11-13 16:17:58,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-13 16:17:58,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:58,059 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2024-11-13 16:17:58,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 16:17:58,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:58,263 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:17:58,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:58,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1504202663, now seen corresponding path program 2 times [2024-11-13 16:17:58,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:58,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574421886] [2024-11-13 16:17:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:17:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:17:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:17:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:17:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:17:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:17:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:17:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 16:17:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 16:17:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 16:17:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-13 16:17:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-13 16:17:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 98 proven. 638 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 16:17:58,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:17:58,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574421886] [2024-11-13 16:17:58,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574421886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:17:58,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763450546] [2024-11-13 16:17:58,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:17:58,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:17:58,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:58,979 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:17:58,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 16:17:59,101 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 16:17:59,101 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:17:59,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:17:59,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 545 proven. 140 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-13 16:17:59,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 485 proven. 140 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-13 16:18:00,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763450546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:18:00,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:18:00,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 33 [2024-11-13 16:18:00,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932997343] [2024-11-13 16:18:00,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:18:00,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-13 16:18:00,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:18:00,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-13 16:18:00,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=941, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 16:18:00,056 INFO L87 Difference]: Start difference. First operand 2090 states and 2229 transitions. Second operand has 33 states, 33 states have (on average 14.393939393939394) internal successors, (475), 33 states have internal predecessors, (475), 18 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 18 states have call predecessors, (23), 18 states have call successors, (23) [2024-11-13 16:18:03,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:18:03,475 INFO L93 Difference]: Finished difference Result 7312 states and 7833 transitions. [2024-11-13 16:18:03,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-13 16:18:03,476 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 14.393939393939394) internal successors, (475), 33 states have internal predecessors, (475), 18 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 18 states have call predecessors, (23), 18 states have call successors, (23) Word has length 284 [2024-11-13 16:18:03,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:18:03,494 INFO L225 Difference]: With dead ends: 7312 [2024-11-13 16:18:03,495 INFO L226 Difference]: Without dead ends: 6471 [2024-11-13 16:18:03,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1630 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=856, Invalid=5306, Unknown=0, NotChecked=0, Total=6162 [2024-11-13 16:18:03,502 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 162 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 2885 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 2942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:18:03,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 902 Invalid, 2942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2885 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 16:18:03,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6471 states. [2024-11-13 16:18:04,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6471 to 5674. [2024-11-13 16:18:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5674 states, 5464 states have (on average 1.0360541727672035) internal successors, (5661), 5465 states have internal predecessors, (5661), 206 states have call successors, (206), 2 states have call predecessors, (206), 2 states have return successors, (206), 206 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-13 16:18:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5674 states to 5674 states and 6073 transitions. [2024-11-13 16:18:04,273 INFO L78 Accepts]: Start accepts. Automaton has 5674 states and 6073 transitions. Word has length 284 [2024-11-13 16:18:04,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:18:04,274 INFO L471 AbstractCegarLoop]: Abstraction has 5674 states and 6073 transitions. [2024-11-13 16:18:04,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 14.393939393939394) internal successors, (475), 33 states have internal predecessors, (475), 18 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 18 states have call predecessors, (23), 18 states have call successors, (23) [2024-11-13 16:18:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 5674 states and 6073 transitions. [2024-11-13 16:18:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-13 16:18:04,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:04,285 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2024-11-13 16:18:04,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 16:18:04,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-13 16:18:04,486 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:18:04,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:04,487 INFO L85 PathProgramCache]: Analyzing trace with hash -487246681, now seen corresponding path program 3 times [2024-11-13 16:18:04,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:18:04,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417701601] [2024-11-13 16:18:04,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:04,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:18:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:18:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:18:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:18:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:18:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:18:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:18:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:18:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 16:18:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 16:18:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 16:18:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-13 16:18:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-13 16:18:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 79 proven. 666 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-13 16:18:05,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:18:05,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417701601] [2024-11-13 16:18:05,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417701601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:05,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081649233] [2024-11-13 16:18:05,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 16:18:05,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:05,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:05,429 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:05,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 16:18:05,668 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-13 16:18:05,668 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:18:05,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:18:05,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 3 proven. 672 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-13 16:18:08,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 3 proven. 672 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-13 16:18:09,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081649233] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:18:09,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:18:09,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 11] total 36 [2024-11-13 16:18:09,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796908628] [2024-11-13 16:18:09,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:18:09,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-13 16:18:09,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:18:09,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-13 16:18:09,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1127, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 16:18:09,319 INFO L87 Difference]: Start difference. First operand 5674 states and 6073 transitions. Second operand has 36 states, 36 states have (on average 16.055555555555557) internal successors, (578), 36 states have internal predecessors, (578), 23 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 23 states have call predecessors, (27), 23 states have call successors, (27) [2024-11-13 16:18:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:18:19,063 INFO L93 Difference]: Finished difference Result 14415 states and 15518 transitions. [2024-11-13 16:18:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-13 16:18:19,064 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 16.055555555555557) internal successors, (578), 36 states have internal predecessors, (578), 23 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 23 states have call predecessors, (27), 23 states have call successors, (27) Word has length 284 [2024-11-13 16:18:19,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:18:19,097 INFO L225 Difference]: With dead ends: 14415 [2024-11-13 16:18:19,097 INFO L226 Difference]: Without dead ends: 13538 [2024-11-13 16:18:19,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3201 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1797, Invalid=9123, Unknown=0, NotChecked=0, Total=10920 [2024-11-13 16:18:19,108 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 1192 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 7513 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 7671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 7513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:18:19,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 2054 Invalid, 7671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 7513 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-13 16:18:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13538 states. [2024-11-13 16:18:20,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13538 to 11729. [2024-11-13 16:18:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11729 states, 11296 states have (on average 1.0348796033994334) internal successors, (11690), 11297 states have internal predecessors, (11690), 429 states have call successors, (429), 2 states have call predecessors, (429), 2 states have return successors, (429), 429 states have call predecessors, (429), 429 states have call successors, (429) [2024-11-13 16:18:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11729 states to 11729 states and 12548 transitions. [2024-11-13 16:18:20,235 INFO L78 Accepts]: Start accepts. Automaton has 11729 states and 12548 transitions. Word has length 284 [2024-11-13 16:18:20,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:18:20,237 INFO L471 AbstractCegarLoop]: Abstraction has 11729 states and 12548 transitions. [2024-11-13 16:18:20,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 16.055555555555557) internal successors, (578), 36 states have internal predecessors, (578), 23 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 23 states have call predecessors, (27), 23 states have call successors, (27) [2024-11-13 16:18:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 11729 states and 12548 transitions. [2024-11-13 16:18:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-13 16:18:20,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:18:20,253 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:18:20,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 16:18:20,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-13 16:18:20,457 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:18:20,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:18:20,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1857227669, now seen corresponding path program 3 times [2024-11-13 16:18:20,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:18:20,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069145833] [2024-11-13 16:18:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:18:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:18:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:18:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:18:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:18:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:18:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:18:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:18:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:18:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 16:18:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 16:18:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 16:18:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-13 16:18:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-13 16:18:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-13 16:18:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-13 16:18:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:18:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 132 proven. 1140 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-13 16:18:21,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:18:21,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069145833] [2024-11-13 16:18:21,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069145833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:21,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870112496] [2024-11-13 16:18:21,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 16:18:21,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:18:21,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:21,878 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:18:21,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 16:18:22,021 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 16:18:22,021 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:18:22,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 16:18:22,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:18:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 129 proven. 153 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2024-11-13 16:18:25,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:18:45,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870112496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:18:45,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:18:45,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 12] total 34 [2024-11-13 16:18:45,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237933709] [2024-11-13 16:18:45,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:18:45,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 16:18:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:18:45,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 16:18:45,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1428, Unknown=2, NotChecked=0, Total=1560 [2024-11-13 16:18:45,529 INFO L87 Difference]: Start difference. First operand 11729 states and 12548 transitions. Second operand has 34 states, 34 states have (on average 10.411764705882353) internal successors, (354), 34 states have internal predecessors, (354), 17 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 17 states have call predecessors, (20), 17 states have call successors, (20) [2024-11-13 16:19:12,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:19:21,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:19:23,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:19:25,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:25,301 INFO L93 Difference]: Finished difference Result 19705 states and 21085 transitions. [2024-11-13 16:19:25,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-13 16:19:25,302 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 10.411764705882353) internal successors, (354), 34 states have internal predecessors, (354), 17 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 17 states have call predecessors, (20), 17 states have call successors, (20) Word has length 346 [2024-11-13 16:19:25,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:25,335 INFO L225 Difference]: With dead ends: 19705 [2024-11-13 16:19:25,335 INFO L226 Difference]: Without dead ends: 11581 [2024-11-13 16:19:25,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1859 ImplicationChecksByTransitivity, 26.4s TimeCoverageRelationStatistics Valid=1015, Invalid=6992, Unknown=3, NotChecked=0, Total=8010 [2024-11-13 16:19:25,348 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 577 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 5936 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 5983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 5936 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:25,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1146 Invalid, 5983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 5936 Invalid, 1 Unknown, 0 Unchecked, 26.1s Time] [2024-11-13 16:19:25,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11581 states. [2024-11-13 16:19:26,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11581 to 11196. [2024-11-13 16:19:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11196 states, 10782 states have (on average 1.034687442033018) internal successors, (11156), 10783 states have internal predecessors, (11156), 410 states have call successors, (410), 2 states have call predecessors, (410), 2 states have return successors, (410), 410 states have call predecessors, (410), 410 states have call successors, (410) [2024-11-13 16:19:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11196 states to 11196 states and 11976 transitions. [2024-11-13 16:19:26,465 INFO L78 Accepts]: Start accepts. Automaton has 11196 states and 11976 transitions. Word has length 346 [2024-11-13 16:19:26,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:26,465 INFO L471 AbstractCegarLoop]: Abstraction has 11196 states and 11976 transitions. [2024-11-13 16:19:26,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.411764705882353) internal successors, (354), 34 states have internal predecessors, (354), 17 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 17 states have call predecessors, (20), 17 states have call successors, (20) [2024-11-13 16:19:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 11196 states and 11976 transitions. [2024-11-13 16:19:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-13 16:19:26,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:26,477 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:26,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 16:19:26,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:26,682 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:19:26,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:26,683 INFO L85 PathProgramCache]: Analyzing trace with hash 328222964, now seen corresponding path program 1 times [2024-11-13 16:19:26,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112600540] [2024-11-13 16:19:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:27,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:19:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:27,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:19:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:27,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:19:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:27,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:19:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:19:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:19:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:19:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 16:19:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 16:19:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 16:19:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-13 16:19:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-13 16:19:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-13 16:19:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-13 16:19:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 16:19:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 160 proven. 1338 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 16:19:28,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:19:28,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112600540] [2024-11-13 16:19:28,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112600540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:19:28,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114161472] [2024-11-13 16:19:28,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:28,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:28,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:28,052 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:19:28,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 16:19:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:28,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:19:28,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 742 proven. 756 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 16:19:30,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:19:32,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 206 proven. 1292 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 16:19:32,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114161472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:19:32,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:19:32,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-11-13 16:19:32,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115968399] [2024-11-13 16:19:32,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:19:32,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-13 16:19:32,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:19:32,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-13 16:19:32,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=3463, Unknown=0, NotChecked=0, Total=4032 [2024-11-13 16:19:32,019 INFO L87 Difference]: Start difference. First operand 11196 states and 11976 transitions. Second operand has 64 states, 64 states have (on average 13.640625) internal successors, (873), 64 states have internal predecessors, (873), 36 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-13 16:19:47,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:47,741 INFO L93 Difference]: Finished difference Result 31442 states and 33750 transitions. [2024-11-13 16:19:47,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-11-13 16:19:47,741 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 13.640625) internal successors, (873), 64 states have internal predecessors, (873), 36 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) Word has length 376 [2024-11-13 16:19:47,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:47,807 INFO L225 Difference]: With dead ends: 31442 [2024-11-13 16:19:47,807 INFO L226 Difference]: Without dead ends: 26963 [2024-11-13 16:19:47,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 905 GetRequests, 741 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7976 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=4891, Invalid=22499, Unknown=0, NotChecked=0, Total=27390 [2024-11-13 16:19:47,820 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 514 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 11362 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1345 SdHoareTripleChecker+Invalid, 11464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 11362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:47,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1345 Invalid, 11464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [102 Valid, 11362 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-13 16:19:47,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26963 states. [2024-11-13 16:19:50,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26963 to 25380. [2024-11-13 16:19:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25380 states, 24457 states have (on average 1.0409289773888866) internal successors, (25458), 24458 states have internal predecessors, (25458), 919 states have call successors, (919), 2 states have call predecessors, (919), 2 states have return successors, (919), 919 states have call predecessors, (919), 919 states have call successors, (919) [2024-11-13 16:19:50,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25380 states to 25380 states and 27296 transitions. [2024-11-13 16:19:50,826 INFO L78 Accepts]: Start accepts. Automaton has 25380 states and 27296 transitions. Word has length 376 [2024-11-13 16:19:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:50,827 INFO L471 AbstractCegarLoop]: Abstraction has 25380 states and 27296 transitions. [2024-11-13 16:19:50,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 13.640625) internal successors, (873), 64 states have internal predecessors, (873), 36 states have call successors, (39), 1 states have call predecessors, (39), 2 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-13 16:19:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 25380 states and 27296 transitions. [2024-11-13 16:19:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-11-13 16:19:50,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:50,845 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2024-11-13 16:19:50,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-13 16:19:51,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:51,050 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:19:51,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash 126477629, now seen corresponding path program 2 times [2024-11-13 16:19:51,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:51,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660459418] [2024-11-13 16:19:51,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:19:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:19:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:19:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:19:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:19:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:19:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:19:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 16:19:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 16:19:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 16:19:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-13 16:19:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-13 16:19:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-13 16:19:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-13 16:19:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 16:19:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-11-13 16:19:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 217 proven. 1536 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-13 16:19:52,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:19:52,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660459418] [2024-11-13 16:19:52,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660459418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:19:52,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748700768] [2024-11-13 16:19:52,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 16:19:52,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:52,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:52,260 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:19:52,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 16:19:52,485 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 16:19:52,485 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:19:52,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:19:52,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 671 proven. 1082 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-13 16:19:54,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:19:56,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 353 proven. 1400 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-13 16:19:56,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748700768] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:19:56,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 16:19:56,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-11-13 16:19:56,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10116225] [2024-11-13 16:19:56,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 16:19:56,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-13 16:19:56,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:19:56,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-13 16:19:56,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=3494, Unknown=0, NotChecked=0, Total=4032 [2024-11-13 16:19:56,119 INFO L87 Difference]: Start difference. First operand 25380 states and 27296 transitions. Second operand has 64 states, 64 states have (on average 14.8125) internal successors, (948), 64 states have internal predecessors, (948), 39 states have call successors, (42), 1 states have call predecessors, (42), 2 states have return successors, (43), 39 states have call predecessors, (43), 39 states have call successors, (43) [2024-11-13 16:20:21,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:21,092 INFO L93 Difference]: Finished difference Result 65757 states and 70867 transitions. [2024-11-13 16:20:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-13 16:20:21,094 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 14.8125) internal successors, (948), 64 states have internal predecessors, (948), 39 states have call successors, (42), 1 states have call predecessors, (42), 2 states have return successors, (43), 39 states have call predecessors, (43), 39 states have call successors, (43) Word has length 406 [2024-11-13 16:20:21,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:21,227 INFO L225 Difference]: With dead ends: 65757 [2024-11-13 16:20:21,227 INFO L226 Difference]: Without dead ends: 54283 [2024-11-13 16:20:21,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1043 GetRequests, 803 SyntacticMatches, 0 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20378 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=11334, Invalid=46988, Unknown=0, NotChecked=0, Total=58322 [2024-11-13 16:20:21,252 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 931 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 14603 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 14803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 14603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:21,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 1452 Invalid, 14803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [200 Valid, 14603 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-11-13 16:20:21,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54283 states. [2024-11-13 16:20:24,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54283 to 29596. [2024-11-13 16:20:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29596 states, 28525 states have (on average 1.0390534618755478) internal successors, (29639), 28526 states have internal predecessors, (29639), 1067 states have call successors, (1067), 2 states have call predecessors, (1067), 2 states have return successors, (1067), 1067 states have call predecessors, (1067), 1067 states have call successors, (1067) [2024-11-13 16:20:25,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29596 states to 29596 states and 31773 transitions. [2024-11-13 16:20:25,110 INFO L78 Accepts]: Start accepts. Automaton has 29596 states and 31773 transitions. Word has length 406 [2024-11-13 16:20:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:25,114 INFO L471 AbstractCegarLoop]: Abstraction has 29596 states and 31773 transitions. [2024-11-13 16:20:25,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 14.8125) internal successors, (948), 64 states have internal predecessors, (948), 39 states have call successors, (42), 1 states have call predecessors, (42), 2 states have return successors, (43), 39 states have call predecessors, (43), 39 states have call successors, (43) [2024-11-13 16:20:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 29596 states and 31773 transitions. [2024-11-13 16:20:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-11-13 16:20:25,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:25,147 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:20:25,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-13 16:20:25,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 16:20:25,351 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 16:20:25,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:25,352 INFO L85 PathProgramCache]: Analyzing trace with hash 956980166, now seen corresponding path program 3 times [2024-11-13 16:20:25,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:25,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632205167] [2024-11-13 16:20:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:25,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:20:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:20:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-13 16:20:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 16:20:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 16:20:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 16:20:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:20:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 16:20:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 16:20:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-13 16:20:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-13 16:20:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-13 16:20:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-13 16:20:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-13 16:20:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-13 16:20:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-11-13 16:20:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-13 16:20:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 300 proven. 1734 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-13 16:20:27,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:27,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632205167] [2024-11-13 16:20:27,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632205167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:20:27,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803293742] [2024-11-13 16:20:27,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 16:20:27,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:20:27,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:27,238 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:20:27,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c85346a-145f-4275-a36c-d932c63cb8a8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 16:20:27,597 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-13 16:20:27,597 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 16:20:27,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 16:20:27,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:22:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 196 proven. 1354 refuted. 72 times theorem prover too weak. 739 trivial. 0 not checked. [2024-11-13 16:22:47,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:23:45,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803293742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:23:45,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:23:45,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26] total 47 [2024-11-13 16:23:45,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844050651] [2024-11-13 16:23:45,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:23:45,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-13 16:23:45,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:23:45,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-13 16:23:45,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=4046, Unknown=24, NotChecked=0, Total=4692 [2024-11-13 16:23:45,111 INFO L87 Difference]: Start difference. First operand 29596 states and 31773 transitions. Second operand has 47 states, 47 states have (on average 12.191489361702128) internal successors, (573), 46 states have internal predecessors, (573), 22 states have call successors, (27), 1 states have call predecessors, (27), 3 states have return successors, (29), 23 states have call predecessors, (29), 22 states have call successors, (29) [2024-11-13 16:23:51,259 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 16:23:52,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:02,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:06,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:10,701 WARN L539 Checker$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 16:24:13,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:18,961 WARN L539 Checker$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 16:24:22,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:26,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:27,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:33,258 WARN L539 Checker$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 16:24:37,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:41,943 WARN L539 Checker$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 16:24:46,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:48,256 WARN L539 Checker$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 16:24:51,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:53,968 WARN L539 Checker$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 16:24:55,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:24:58,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:00,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:04,203 WARN L539 Checker$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 16:25:08,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:13,945 WARN L539 Checker$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 16:25:16,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:20,430 WARN L539 Checker$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 16:25:24,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:27,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:31,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:35,838 WARN L539 Checker$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 16:25:37,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:38,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:25:59,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:26:03,845 WARN L539 Checker$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 16:26:07,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:26:11,961 WARN L539 Checker$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 16:26:15,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:26:20,116 WARN L539 Checker$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 16:26:24,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 16:26:28,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]