./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i --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_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/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_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/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_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/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 bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:05:06,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:05:07,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:05:07,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:05:07,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:05:07,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:05:07,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:05:07,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:05:07,143 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:05:07,143 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:05:07,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:05:07,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:05:07,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:05:07,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:05:07,144 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:05:07,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:05:07,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:05:07,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:05:07,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:05:07,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:05:07,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:05:07,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:05:07,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:05:07,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:05:07,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:05:07,145 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:05:07,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:05:07,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:05:07,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:05:07,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:05:07,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:05:07,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:05:07,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:05:07,149 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:05:07,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:05:07,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:05:07,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:05:07,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:05:07,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:05:07,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:05:07,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:05:07,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:05:07,151 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:05:07,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:05:07,151 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_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/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 -> bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e [2024-11-13 15:05:07,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:05:07,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:05:07,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:05:07,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:05:07,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:05:07,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i Unable to find full path for "g++" [2024-11-13 15:05:09,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:05:09,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:05:09,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2024-11-13 15:05:09,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/data/0a4f66bed/2c2e223bda4b4e62910d87f52018c36c/FLAGc2ae858ce [2024-11-13 15:05:09,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/data/0a4f66bed/2c2e223bda4b4e62910d87f52018c36c [2024-11-13 15:05:09,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:05:09,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:05:09,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:05:09,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:05:09,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:05:09,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:05:09" (1/1) ... [2024-11-13 15:05:09,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebb1d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:09, skipping insertion in model container [2024-11-13 15:05:09,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:05:09" (1/1) ... [2024-11-13 15:05:09,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:05:10,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:05:10,291 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:05:10,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:05:10,360 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:05:10,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10 WrapperNode [2024-11-13 15:05:10,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:05:10,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:05:10,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:05:10,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:05:10,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,399 INFO L138 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2024-11-13 15:05:10,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:05:10,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:05:10,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:05:10,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:05:10,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,412 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,425 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [4, 3]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [3, 2]. [2024-11-13 15:05:10,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:05:10,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:05:10,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:05:10,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:05:10,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (1/1) ... [2024-11-13 15:05:10,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:05:10,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:10,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:05:10,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:05:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:05:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:05:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:05:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:05:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:05:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:05:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:05:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:05:10,653 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:05:10,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:05:10,872 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-13 15:05:10,873 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:05:10,883 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:05:10,883 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 15:05:10,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:05:10 BoogieIcfgContainer [2024-11-13 15:05:10,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:05:10,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:05:10,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:05:10,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:05:10,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:05:09" (1/3) ... [2024-11-13 15:05:10,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbc0b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:05:10, skipping insertion in model container [2024-11-13 15:05:10,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:10" (2/3) ... [2024-11-13 15:05:10,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbc0b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:05:10, skipping insertion in model container [2024-11-13 15:05:10,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:05:10" (3/3) ... [2024-11-13 15:05:10,895 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcat-alloca-2.i [2024-11-13 15:05:10,910 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:05:10,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cstrcat-alloca-2.i that has 1 procedures, 47 locations, 1 initial locations, 4 loop locations, and 14 error locations. [2024-11-13 15:05:10,966 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:05:10,982 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;@1e22fbf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:05:10,983 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-13 15:05:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 32 states have (on average 1.8125) internal successors, (58), 46 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 15:05:10,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:10,995 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:05:10,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:11,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:11,002 INFO L85 PathProgramCache]: Analyzing trace with hash 889510797, now seen corresponding path program 1 times [2024-11-13 15:05:11,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:11,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328002490] [2024-11-13 15:05:11,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:11,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:11,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:11,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328002490] [2024-11-13 15:05:11,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328002490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:11,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:11,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:05:11,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532348179] [2024-11-13 15:05:11,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:11,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:11,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:11,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:11,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:11,237 INFO L87 Difference]: Start difference. First operand has 47 states, 32 states have (on average 1.8125) internal successors, (58), 46 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:11,372 INFO L93 Difference]: Finished difference Result 95 states and 120 transitions. [2024-11-13 15:05:11,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:11,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 15:05:11,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:11,384 INFO L225 Difference]: With dead ends: 95 [2024-11-13 15:05:11,385 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 15:05:11,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:05:11,392 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 65 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:11,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 95 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:11,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 15:05:11,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 38. [2024-11-13 15:05:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.68) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2024-11-13 15:05:11,438 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 6 [2024-11-13 15:05:11,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:11,439 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2024-11-13 15:05:11,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-11-13 15:05:11,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 15:05:11,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:11,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:05:11,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:05:11,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:11,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:11,444 INFO L85 PathProgramCache]: Analyzing trace with hash 889510859, now seen corresponding path program 1 times [2024-11-13 15:05:11,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:11,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303450895] [2024-11-13 15:05:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:11,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:11,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:11,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303450895] [2024-11-13 15:05:11,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303450895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:11,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:11,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:05:11,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445408693] [2024-11-13 15:05:11,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:11,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:11,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:11,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:11,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:11,552 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:11,624 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2024-11-13 15:05:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:11,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 15:05:11,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:11,625 INFO L225 Difference]: With dead ends: 40 [2024-11-13 15:05:11,625 INFO L226 Difference]: Without dead ends: 37 [2024-11-13 15:05:11,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:05:11,626 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 53 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:11,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 35 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-13 15:05:11,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-13 15:05:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 33 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2024-11-13 15:05:11,633 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 6 [2024-11-13 15:05:11,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:11,633 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-11-13 15:05:11,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-13 15:05:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 15:05:11,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:11,634 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:11,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:05:11,634 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:11,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:11,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1805030985, now seen corresponding path program 1 times [2024-11-13 15:05:11,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:11,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545052598] [2024-11-13 15:05:11,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:11,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:11,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:11,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545052598] [2024-11-13 15:05:11,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545052598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:11,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:11,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:05:11,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482039485] [2024-11-13 15:05:11,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:11,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:11,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:11,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:11,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:11,694 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:11,758 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2024-11-13 15:05:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:11,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 15:05:11,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:11,760 INFO L225 Difference]: With dead ends: 57 [2024-11-13 15:05:11,760 INFO L226 Difference]: Without dead ends: 55 [2024-11-13 15:05:11,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:05:11,761 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 43 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:11,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 80 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:11,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-13 15:05:11,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2024-11-13 15:05:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 38 states have (on average 1.631578947368421) internal successors, (62), 48 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2024-11-13 15:05:11,770 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 7 [2024-11-13 15:05:11,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:11,770 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions. [2024-11-13 15:05:11,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,771 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2024-11-13 15:05:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 15:05:11,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:11,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:11,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:05:11,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:11,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1805090567, now seen corresponding path program 1 times [2024-11-13 15:05:11,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:11,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860199095] [2024-11-13 15:05:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:11,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:11,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:11,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860199095] [2024-11-13 15:05:11,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860199095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:11,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:11,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:05:11,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466997285] [2024-11-13 15:05:11,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:11,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:11,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:11,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:11,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:11,847 INFO L87 Difference]: Start difference. First operand 49 states and 62 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:11,889 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2024-11-13 15:05:11,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:11,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 15:05:11,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:11,890 INFO L225 Difference]: With dead ends: 49 [2024-11-13 15:05:11,890 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 15:05:11,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:05:11,891 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 44 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:11,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 42 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:11,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 15:05:11,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 32. [2024-11-13 15:05:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.565217391304348) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2024-11-13 15:05:11,898 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 7 [2024-11-13 15:05:11,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:11,898 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2024-11-13 15:05:11,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2024-11-13 15:05:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:05:11,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:11,899 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:11,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:05:11,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:11,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:11,899 INFO L85 PathProgramCache]: Analyzing trace with hash -532009106, now seen corresponding path program 1 times [2024-11-13 15:05:11,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:11,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878414751] [2024-11-13 15:05:11,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:11,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:11,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:11,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878414751] [2024-11-13 15:05:11,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878414751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:11,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:11,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:11,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881920559] [2024-11-13 15:05:11,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:11,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:11,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:11,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:11,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:11,964 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:11,992 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2024-11-13 15:05:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:11,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 15:05:11,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:11,993 INFO L225 Difference]: With dead ends: 32 [2024-11-13 15:05:11,993 INFO L226 Difference]: Without dead ends: 30 [2024-11-13 15:05:11,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:11,994 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 21 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:11,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 27 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:11,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-13 15:05:11,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 15:05:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-13 15:05:12,000 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 9 [2024-11-13 15:05:12,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:12,001 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-13 15:05:12,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-13 15:05:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:05:12,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:12,002 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:12,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:05:12,002 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:12,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash 687586964, now seen corresponding path program 1 times [2024-11-13 15:05:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:12,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653530961] [2024-11-13 15:05:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:12,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653530961] [2024-11-13 15:05:12,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653530961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:12,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:12,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:12,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673941543] [2024-11-13 15:05:12,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:12,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:12,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:12,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:12,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:12,106 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:12,164 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2024-11-13 15:05:12,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:12,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 15:05:12,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:12,167 INFO L225 Difference]: With dead ends: 55 [2024-11-13 15:05:12,167 INFO L226 Difference]: Without dead ends: 53 [2024-11-13 15:05:12,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:12,168 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 20 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:12,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 49 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:12,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-13 15:05:12,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2024-11-13 15:05:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 48 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2024-11-13 15:05:12,187 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 10 [2024-11-13 15:05:12,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:12,187 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2024-11-13 15:05:12,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2024-11-13 15:05:12,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:05:12,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:12,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:12,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:05:12,188 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:12,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:12,189 INFO L85 PathProgramCache]: Analyzing trace with hash -121759662, now seen corresponding path program 1 times [2024-11-13 15:05:12,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:12,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275911745] [2024-11-13 15:05:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:12,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:12,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:12,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275911745] [2024-11-13 15:05:12,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275911745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:12,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:12,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:12,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565540591] [2024-11-13 15:05:12,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:12,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:12,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:12,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:12,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:12,293 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:12,330 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2024-11-13 15:05:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:12,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 15:05:12,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:12,331 INFO L225 Difference]: With dead ends: 49 [2024-11-13 15:05:12,331 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 15:05:12,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:12,332 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 20 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:12,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 25 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:12,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 15:05:12,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 28. [2024-11-13 15:05:12,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.391304347826087) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2024-11-13 15:05:12,348 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 10 [2024-11-13 15:05:12,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:12,348 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-13 15:05:12,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-11-13 15:05:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 15:05:12,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:12,349 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:12,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:05:12,349 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:12,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:12,350 INFO L85 PathProgramCache]: Analyzing trace with hash -653888906, now seen corresponding path program 1 times [2024-11-13 15:05:12,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:12,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129499799] [2024-11-13 15:05:12,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:12,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:12,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:12,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129499799] [2024-11-13 15:05:12,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129499799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:12,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:12,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:05:12,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820288979] [2024-11-13 15:05:12,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:12,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:12,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:12,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:12,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:12,482 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:12,533 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2024-11-13 15:05:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:12,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 15:05:12,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:12,534 INFO L225 Difference]: With dead ends: 67 [2024-11-13 15:05:12,535 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 15:05:12,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:12,536 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 14 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:12,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 68 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:12,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 15:05:12,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2024-11-13 15:05:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2024-11-13 15:05:12,548 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 12 [2024-11-13 15:05:12,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:12,549 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-11-13 15:05:12,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-11-13 15:05:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 15:05:12,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:12,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:12,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:05:12,551 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:12,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:12,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1046915916, now seen corresponding path program 1 times [2024-11-13 15:05:12,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:12,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776420411] [2024-11-13 15:05:12,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:12,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:12,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:12,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776420411] [2024-11-13 15:05:12,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776420411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:12,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:12,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:05:12,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567909645] [2024-11-13 15:05:12,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:12,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:12,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:12,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:12,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:12,669 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:12,701 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-13 15:05:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:12,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 15:05:12,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:12,703 INFO L225 Difference]: With dead ends: 43 [2024-11-13 15:05:12,703 INFO L226 Difference]: Without dead ends: 41 [2024-11-13 15:05:12,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:12,708 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:12,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:12,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-13 15:05:12,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-13 15:05:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-13 15:05:12,719 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 12 [2024-11-13 15:05:12,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:12,719 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-13 15:05:12,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-13 15:05:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 15:05:12,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:12,722 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:12,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:05:12,723 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:12,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:12,725 INFO L85 PathProgramCache]: Analyzing trace with hash 806264994, now seen corresponding path program 1 times [2024-11-13 15:05:12,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:12,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812201234] [2024-11-13 15:05:12,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:12,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:12,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:12,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812201234] [2024-11-13 15:05:12,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812201234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:12,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:12,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:05:12,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621406997] [2024-11-13 15:05:12,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:12,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:12,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:12,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:12,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:12,811 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:12,843 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2024-11-13 15:05:12,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:12,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 15:05:12,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:12,844 INFO L225 Difference]: With dead ends: 48 [2024-11-13 15:05:12,846 INFO L226 Difference]: Without dead ends: 46 [2024-11-13 15:05:12,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:12,847 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:12,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:12,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-13 15:05:12,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-13 15:05:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 45 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2024-11-13 15:05:12,860 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 16 [2024-11-13 15:05:12,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:12,862 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2024-11-13 15:05:12,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2024-11-13 15:05:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:05:12,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:12,863 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:12,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:05:12,863 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:12,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:12,863 INFO L85 PathProgramCache]: Analyzing trace with hash -461211909, now seen corresponding path program 1 times [2024-11-13 15:05:12,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:12,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719199352] [2024-11-13 15:05:12,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:12,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:05:12,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:12,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719199352] [2024-11-13 15:05:12,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719199352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:12,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:12,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:05:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567499792] [2024-11-13 15:05:12,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:12,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:05:12,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:12,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:05:12,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:05:12,997 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:13,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:13,120 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2024-11-13 15:05:13,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:05:13,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-13 15:05:13,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:13,122 INFO L225 Difference]: With dead ends: 100 [2024-11-13 15:05:13,123 INFO L226 Difference]: Without dead ends: 73 [2024-11-13 15:05:13,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:05:13,124 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 28 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:13,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 77 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:13,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-13 15:05:13,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 46. [2024-11-13 15:05:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 45 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2024-11-13 15:05:13,136 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 17 [2024-11-13 15:05:13,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:13,136 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2024-11-13 15:05:13,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2024-11-13 15:05:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:05:13,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:13,137 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:13,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:05:13,137 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:13,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:13,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1472329159, now seen corresponding path program 1 times [2024-11-13 15:05:13,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:13,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158450332] [2024-11-13 15:05:13,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:13,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:13,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:13,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158450332] [2024-11-13 15:05:13,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158450332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:05:13,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954072438] [2024-11-13 15:05:13,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:13,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:13,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:13,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:13,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:05:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:13,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:05:13,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:13,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:13,449 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:05:13,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954072438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:13,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:05:13,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 15:05:13,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574599758] [2024-11-13 15:05:13,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:13,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:05:13,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:13,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:05:13,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:05:13,451 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:13,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:13,496 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2024-11-13 15:05:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:05:13,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-13 15:05:13,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:13,498 INFO L225 Difference]: With dead ends: 46 [2024-11-13 15:05:13,498 INFO L226 Difference]: Without dead ends: 45 [2024-11-13 15:05:13,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:05:13,500 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:13,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 105 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:13,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-13 15:05:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-13 15:05:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2024-11-13 15:05:13,511 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 17 [2024-11-13 15:05:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:13,512 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2024-11-13 15:05:13,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2024-11-13 15:05:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 15:05:13,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:13,513 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:13,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:05:13,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 15:05:13,718 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:13,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:13,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1602436402, now seen corresponding path program 1 times [2024-11-13 15:05:13,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:13,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419158680] [2024-11-13 15:05:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:13,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:13,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:13,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419158680] [2024-11-13 15:05:13,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419158680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:05:13,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916299743] [2024-11-13 15:05:13,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:13,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:13,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:13,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:13,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:05:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:13,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:05:13,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:13,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:05:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:14,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916299743] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:05:14,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:05:14,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 15:05:14,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232842274] [2024-11-13 15:05:14,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:05:14,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:05:14,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:14,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:05:14,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:05:14,056 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:14,116 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2024-11-13 15:05:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:05:14,117 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-13 15:05:14,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:14,117 INFO L225 Difference]: With dead ends: 61 [2024-11-13 15:05:14,118 INFO L226 Difference]: Without dead ends: 60 [2024-11-13 15:05:14,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:05:14,118 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:14,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:14,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-13 15:05:14,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-13 15:05:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2024-11-13 15:05:14,131 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 18 [2024-11-13 15:05:14,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:14,132 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2024-11-13 15:05:14,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2024-11-13 15:05:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 15:05:14,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:14,133 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:14,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:05:14,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 15:05:14,333 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:14,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:14,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1981749085, now seen corresponding path program 1 times [2024-11-13 15:05:14,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:14,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613786405] [2024-11-13 15:05:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:14,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:14,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:14,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613786405] [2024-11-13 15:05:14,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613786405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:14,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:14,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:05:14,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601544297] [2024-11-13 15:05:14,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:14,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:14,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:14,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:14,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:14,394 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:14,432 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2024-11-13 15:05:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:14,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-13 15:05:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:14,435 INFO L225 Difference]: With dead ends: 65 [2024-11-13 15:05:14,435 INFO L226 Difference]: Without dead ends: 60 [2024-11-13 15:05:14,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:14,437 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 13 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:14,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 43 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:14,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-13 15:05:14,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-13 15:05:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 56 states have (on average 1.25) internal successors, (70), 59 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2024-11-13 15:05:14,462 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 19 [2024-11-13 15:05:14,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:14,462 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2024-11-13 15:05:14,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2024-11-13 15:05:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 15:05:14,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:14,463 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:14,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:05:14,463 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:14,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:14,464 INFO L85 PathProgramCache]: Analyzing trace with hash -907498783, now seen corresponding path program 1 times [2024-11-13 15:05:14,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:14,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693548386] [2024-11-13 15:05:14,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:14,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:14,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:14,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:14,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693548386] [2024-11-13 15:05:14,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693548386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:05:14,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517352722] [2024-11-13 15:05:14,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:14,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:14,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:14,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:14,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:05:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:14,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:05:14,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:14,659 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:05:14,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517352722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:14,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:05:14,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 15:05:14,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741342006] [2024-11-13 15:05:14,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:14,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:05:14,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:14,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:05:14,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:05:14,661 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:14,691 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2024-11-13 15:05:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:05:14,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-13 15:05:14,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:14,692 INFO L225 Difference]: With dead ends: 60 [2024-11-13 15:05:14,692 INFO L226 Difference]: Without dead ends: 59 [2024-11-13 15:05:14,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:05:14,693 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:14,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 75 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:14,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-13 15:05:14,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-13 15:05:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 58 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2024-11-13 15:05:14,701 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 21 [2024-11-13 15:05:14,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:14,702 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2024-11-13 15:05:14,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2024-11-13 15:05:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 15:05:14,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:14,702 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:14,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:05:14,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 15:05:14,907 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:14,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:14,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1932308894, now seen corresponding path program 1 times [2024-11-13 15:05:14,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:14,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963419674] [2024-11-13 15:05:14,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:15,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963419674] [2024-11-13 15:05:15,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963419674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:05:15,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737373028] [2024-11-13 15:05:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:15,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:15,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:15,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:15,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:05:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:15,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:05:15,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:15,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:05:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:15,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737373028] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:05:15,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:05:15,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-13 15:05:15,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827220059] [2024-11-13 15:05:15,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:05:15,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:05:15,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:15,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:05:15,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:05:15,239 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:15,370 INFO L93 Difference]: Finished difference Result 101 states and 119 transitions. [2024-11-13 15:05:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:05:15,370 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-13 15:05:15,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:15,371 INFO L225 Difference]: With dead ends: 101 [2024-11-13 15:05:15,371 INFO L226 Difference]: Without dead ends: 90 [2024-11-13 15:05:15,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:05:15,372 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:15,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 154 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:15,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-13 15:05:15,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-13 15:05:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 87 states have (on average 1.1954022988505748) internal successors, (104), 89 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2024-11-13 15:05:15,385 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 22 [2024-11-13 15:05:15,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:15,385 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2024-11-13 15:05:15,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2024-11-13 15:05:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 15:05:15,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:15,388 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:15,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:05:15,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 15:05:15,593 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:15,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:15,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1521316030, now seen corresponding path program 1 times [2024-11-13 15:05:15,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:15,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791049113] [2024-11-13 15:05:15,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:15,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:05:15,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:15,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791049113] [2024-11-13 15:05:15,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791049113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:15,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:15,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:15,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103552031] [2024-11-13 15:05:15,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:15,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:15,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:15,686 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:15,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:15,705 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2024-11-13 15:05:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:15,706 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-13 15:05:15,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:15,707 INFO L225 Difference]: With dead ends: 90 [2024-11-13 15:05:15,707 INFO L226 Difference]: Without dead ends: 69 [2024-11-13 15:05:15,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:15,708 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:15,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:15,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-13 15:05:15,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-13 15:05:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 68 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2024-11-13 15:05:15,718 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 24 [2024-11-13 15:05:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:15,718 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2024-11-13 15:05:15,718 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2024-11-13 15:05:15,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 15:05:15,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:15,719 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:15,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:05:15,719 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:15,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2017198229, now seen corresponding path program 2 times [2024-11-13 15:05:15,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:15,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833614329] [2024-11-13 15:05:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:15,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:15,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:15,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833614329] [2024-11-13 15:05:15,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833614329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:05:15,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571785985] [2024-11-13 15:05:15,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:05:15,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:15,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:15,989 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:15,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:05:16,067 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 15:05:16,067 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:05:16,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:05:16,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 15:05:16,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:05:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 15:05:16,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571785985] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:05:16,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:05:16,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 19 [2024-11-13 15:05:16,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464899559] [2024-11-13 15:05:16,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:05:16,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 15:05:16,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:16,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 15:05:16,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:05:16,377 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 20 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 20 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:16,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:16,821 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2024-11-13 15:05:16,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 15:05:16,822 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 20 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-13 15:05:16,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:16,822 INFO L225 Difference]: With dead ends: 74 [2024-11-13 15:05:16,822 INFO L226 Difference]: Without dead ends: 73 [2024-11-13 15:05:16,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=303, Invalid=887, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 15:05:16,824 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 135 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:16,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 60 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:16,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-13 15:05:16,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 48. [2024-11-13 15:05:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 47 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2024-11-13 15:05:16,835 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 33 [2024-11-13 15:05:16,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:16,835 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2024-11-13 15:05:16,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 20 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2024-11-13 15:05:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 15:05:16,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:16,836 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:16,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:05:17,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 15:05:17,037 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:17,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:17,037 INFO L85 PathProgramCache]: Analyzing trace with hash -802787973, now seen corresponding path program 1 times [2024-11-13 15:05:17,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:17,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791475573] [2024-11-13 15:05:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:17,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:17,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:17,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791475573] [2024-11-13 15:05:17,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791475573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:05:17,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176302650] [2024-11-13 15:05:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:17,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:17,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:17,322 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:17,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:05:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:17,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:05:17,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:17,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:05:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:17,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176302650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:05:17,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:05:17,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-13 15:05:17,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205570262] [2024-11-13 15:05:17,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:05:17,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 15:05:17,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:17,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 15:05:17,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:05:17,717 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 24 states, 23 states have (on average 3.0) internal successors, (69), 24 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:17,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:17,807 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2024-11-13 15:05:17,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:05:17,808 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.0) internal successors, (69), 24 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-13 15:05:17,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:17,808 INFO L225 Difference]: With dead ends: 79 [2024-11-13 15:05:17,808 INFO L226 Difference]: Without dead ends: 78 [2024-11-13 15:05:17,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:05:17,809 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:17,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:17,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-13 15:05:17,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-13 15:05:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.0649350649350648) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2024-11-13 15:05:17,820 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 37 [2024-11-13 15:05:17,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:17,821 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2024-11-13 15:05:17,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.0) internal successors, (69), 24 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2024-11-13 15:05:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 15:05:17,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:17,822 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:17,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 15:05:18,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:18,023 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-13 15:05:18,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:18,023 INFO L85 PathProgramCache]: Analyzing trace with hash -886146341, now seen corresponding path program 2 times [2024-11-13 15:05:18,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:18,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147355067] [2024-11-13 15:05:18,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:18,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:18,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147355067] [2024-11-13 15:05:18,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147355067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:05:18,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606473683] [2024-11-13 15:05:18,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:05:18,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:18,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:18,741 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:18,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:05:18,833 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 15:05:18,834 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:05:18,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:05:18,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-13 15:05:18,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:05:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-13 15:05:19,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606473683] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:05:19,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:05:19,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 3, 3] total 27 [2024-11-13 15:05:19,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958018095] [2024-11-13 15:05:19,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:05:19,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 15:05:19,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:19,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 15:05:19,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:05:19,163 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:19,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:19,857 INFO L93 Difference]: Finished difference Result 83 states and 88 transitions. [2024-11-13 15:05:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 15:05:19,858 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-13 15:05:19,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:19,859 INFO L225 Difference]: With dead ends: 83 [2024-11-13 15:05:19,859 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:05:19,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=556, Invalid=1994, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 15:05:19,861 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:19,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 61 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:05:19,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:05:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:05:19,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-13 15:05:19,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:19,864 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:05:19,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.888888888888889) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:05:19,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:05:19,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2024-11-13 15:05:19,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2024-11-13 15:05:19,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2024-11-13 15:05:19,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2024-11-13 15:05:19,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2024-11-13 15:05:19,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2024-11-13 15:05:19,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2024-11-13 15:05:19,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2024-11-13 15:05:19,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2024-11-13 15:05:19,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2024-11-13 15:05:19,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2024-11-13 15:05:19,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2024-11-13 15:05:19,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2024-11-13 15:05:19,869 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2024-11-13 15:05:19,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:05:20,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:20,073 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:20,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:05:21,365 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:05:21,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:05:21 BoogieIcfgContainer [2024-11-13 15:05:21,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:05:21,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:05:21,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:05:21,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:05:21,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:05:10" (3/4) ... [2024-11-13 15:05:21,392 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:05:21,403 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 15:05:21,404 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 15:05:21,404 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 15:05:21,404 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:05:21,494 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:05:21,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:05:21,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:05:21,496 INFO L158 Benchmark]: Toolchain (without parser) took 11598.00ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 118.2MB in the beginning and 70.2MB in the end (delta: 48.0MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2024-11-13 15:05:21,496 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:05:21,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.65ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 101.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:05:21,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.85ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:05:21,499 INFO L158 Benchmark]: Boogie Preprocessor took 38.92ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:05:21,499 INFO L158 Benchmark]: RCFGBuilder took 443.88ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 82.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:05:21,499 INFO L158 Benchmark]: TraceAbstraction took 10500.06ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 82.2MB in the beginning and 76.6MB in the end (delta: 5.7MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2024-11-13 15:05:21,500 INFO L158 Benchmark]: Witness Printer took 108.17ms. Allocated memory is still 176.2MB. Free memory was 76.6MB in the beginning and 70.2MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:05:21,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.65ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 101.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.85ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 99.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.92ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.88ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 82.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10500.06ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 82.2MB in the beginning and 76.6MB in the end (delta: 5.7MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Witness Printer took 108.17ms. Allocated memory is still 176.2MB. Free memory was 76.6MB in the beginning and 70.2MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 20, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 474 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 474 mSDsluCounter, 1537 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1038 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 792 IncrementalHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 499 mSDtfsCounter, 792 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 533 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=16, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 129 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 585 NumberOfCodeBlocks, 515 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 730 ConstructedInterpolants, 0 QuantifiedInterpolants, 1904 SizeOfPredicates, 7 NumberOfNonLiveVariables, 605 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 32 InterpolantComputations, 15 PerfectInterpolantSequences, 611/1178 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (((((((((length3 <= 2147483647) && (i == 0)) && (1 <= length1)) && (length1 <= 2147483647)) && (1 <= length3)) && (length2 == 2)) || (((((((length1 <= 2147483646) && (length3 <= 2147483647)) && (i == 0)) && (1 <= length1)) && (2 <= length2)) && (1 <= length3)) && (length2 <= 2147483647))) || ((((((length3 <= 2147483647) && (i == 1)) && (1 <= length1)) && (length1 <= 2147483647)) && (1 <= length3)) && (length2 == 2))) || (((((((length1 <= 2147483646) && (length3 <= 2147483647)) && (1 <= length1)) && (1 <= i)) && (2 <= length2)) && (1 <= length3)) && (length2 <= 2147483647))) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((((((i == 0) && (length1 <= 2147483646)) && (length3 <= 2147483647)) && (1 <= length1)) && (2 <= length2)) && (1 <= length3)) || ((((((length1 <= 2147483646) && (1 <= i)) && (length3 <= 2147483647)) && (1 <= length1)) && (2 <= length2)) && (1 <= length3))) && (length2 <= 2147483647)) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:05:21,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3da7ce8-2fd8-450a-99bf-0b1cb73e0db0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE