./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU --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 d33c1f18af8463c39a69fa160e98d9892e84f7d8b10911d6b0c55a462978880c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:00,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:00,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 21:56:00,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:00,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:01,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:01,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:01,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:01,005 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:01,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:01,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:01,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:01,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:01,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:01,007 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:01,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:01,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:01,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:01,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:01,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:01,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:01,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:01,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:01,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:01,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:01,015 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:56:01,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:01,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:01,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:01,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:01,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:01,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:01,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:01,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:01,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:01,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:01,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:01,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:56:01,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:01,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:56:01,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:01,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:01,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:01,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:01,025 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d33c1f18af8463c39a69fa160e98d9892e84f7d8b10911d6b0c55a462978880c [2024-10-31 21:56:01,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:01,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:01,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:01,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:01,292 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:01,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c Unable to find full path for "g++" [2024-10-31 21:56:03,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:03,581 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:03,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-10-31 21:56:03,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/data/9fa6eb942/996ef591ed834d76bbdcd4424fd9da50/FLAGd5036c795 [2024-10-31 21:56:03,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/data/9fa6eb942/996ef591ed834d76bbdcd4424fd9da50 [2024-10-31 21:56:03,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:03,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:03,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:03,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:03,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:03,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efc8adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:03, skipping insertion in model container [2024-10-31 21:56:03,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:03" (1/1) ... [2024-10-31 21:56:03,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:04,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:04,244 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:04,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:04,316 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:04,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04 WrapperNode [2024-10-31 21:56:04,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:04,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:04,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:04,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:04,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,371 INFO L138 Inliner]: procedures = 23, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 306 [2024-10-31 21:56:04,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:04,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:04,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:04,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:04,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,412 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 21:56:04,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:04,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:04,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:04,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:04,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (1/1) ... [2024-10-31 21:56:04,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:04,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:04,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:56:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:04,643 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:04,646 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:05,177 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:05,177 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:05,193 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:05,194 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:56:05,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:05 BoogieIcfgContainer [2024-10-31 21:56:05,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:05,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:05,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:05,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:05,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:03" (1/3) ... [2024-10-31 21:56:05,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30024ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:05, skipping insertion in model container [2024-10-31 21:56:05,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:04" (2/3) ... [2024-10-31 21:56:05,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30024ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:05, skipping insertion in model container [2024-10-31 21:56:05,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:05" (3/3) ... [2024-10-31 21:56:05,207 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-10-31 21:56:05,230 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:05,230 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-31 21:56:05,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:56:05,319 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;@7dc87bd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:56:05,319 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-31 21:56:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 89 states have internal predecessors, (131), 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) [2024-10-31 21:56:05,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 21:56:05,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:05,352 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:05,353 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)] === [2024-10-31 21:56:05,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:05,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1523334527, now seen corresponding path program 1 times [2024-10-31 21:56:05,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:05,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34601255] [2024-10-31 21:56:05,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:05,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:05,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:05,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34601255] [2024-10-31 21:56:05,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34601255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:05,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:05,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 21:56:05,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119950692] [2024-10-31 21:56:05,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:05,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:56:05,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:05,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:56:05,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:56:05,784 INFO L87 Difference]: Start difference. First operand has 90 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 89 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-31 21:56:05,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:05,810 INFO L93 Difference]: Finished difference Result 93 states and 133 transitions. [2024-10-31 21:56:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:56:05,813 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 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 23 [2024-10-31 21:56:05,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:05,826 INFO L225 Difference]: With dead ends: 93 [2024-10-31 21:56:05,826 INFO L226 Difference]: Without dead ends: 84 [2024-10-31 21:56:05,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:56:05,835 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:05,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:05,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-31 21:56:05,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-31 21:56:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 72 states have (on average 1.5) internal successors, (108), 83 states have internal predecessors, (108), 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) [2024-10-31 21:56:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2024-10-31 21:56:05,883 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 23 [2024-10-31 21:56:05,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:05,884 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2024-10-31 21:56:05,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-31 21:56:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2024-10-31 21:56:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-31 21:56:05,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:05,889 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:05,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:56:05,890 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:05,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1695954455, now seen corresponding path program 1 times [2024-10-31 21:56:05,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:05,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268173127] [2024-10-31 21:56:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:05,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:06,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:06,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268173127] [2024-10-31 21:56:06,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268173127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:06,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:06,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:06,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205852306] [2024-10-31 21:56:06,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:06,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:06,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:06,104 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) [2024-10-31 21:56:06,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:06,161 INFO L93 Difference]: Finished difference Result 206 states and 273 transitions. [2024-10-31 21:56:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:06,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) Word has length 34 [2024-10-31 21:56:06,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:06,167 INFO L225 Difference]: With dead ends: 206 [2024-10-31 21:56:06,168 INFO L226 Difference]: Without dead ends: 141 [2024-10-31 21:56:06,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:06,170 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 74 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:06,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 248 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:06,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-31 21:56:06,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 129. [2024-10-31 21:56:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 117 states have (on average 1.564102564102564) internal successors, (183), 128 states have internal predecessors, (183), 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) [2024-10-31 21:56:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 183 transitions. [2024-10-31 21:56:06,199 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 183 transitions. Word has length 34 [2024-10-31 21:56:06,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:06,199 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 183 transitions. [2024-10-31 21:56:06,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) [2024-10-31 21:56:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 183 transitions. [2024-10-31 21:56:06,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-31 21:56:06,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:06,201 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:06,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:56:06,201 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:06,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:06,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1943407502, now seen corresponding path program 1 times [2024-10-31 21:56:06,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:06,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864029308] [2024-10-31 21:56:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:06,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:06,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:06,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864029308] [2024-10-31 21:56:06,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864029308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:06,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:06,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:06,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234671410] [2024-10-31 21:56:06,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:06,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:06,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:06,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:06,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:06,380 INFO L87 Difference]: Start difference. First operand 129 states and 183 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2024-10-31 21:56:06,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:06,423 INFO L93 Difference]: Finished difference Result 333 states and 485 transitions. [2024-10-31 21:56:06,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:06,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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 35 [2024-10-31 21:56:06,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:06,431 INFO L225 Difference]: With dead ends: 333 [2024-10-31 21:56:06,431 INFO L226 Difference]: Without dead ends: 223 [2024-10-31 21:56:06,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:06,435 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 69 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:06,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 244 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:06,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-31 21:56:06,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 211. [2024-10-31 21:56:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 199 states have (on average 1.6030150753768844) internal successors, (319), 210 states have internal predecessors, (319), 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) [2024-10-31 21:56:06,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 319 transitions. [2024-10-31 21:56:06,454 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 319 transitions. Word has length 35 [2024-10-31 21:56:06,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:06,454 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 319 transitions. [2024-10-31 21:56:06,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2024-10-31 21:56:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 319 transitions. [2024-10-31 21:56:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-31 21:56:06,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:06,456 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:06,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:56:06,456 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:06,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:06,457 INFO L85 PathProgramCache]: Analyzing trace with hash -2103371824, now seen corresponding path program 1 times [2024-10-31 21:56:06,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:06,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558122752] [2024-10-31 21:56:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:06,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:06,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:06,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558122752] [2024-10-31 21:56:06,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558122752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:06,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:06,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:06,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695103254] [2024-10-31 21:56:06,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:06,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:06,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:06,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:06,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:06,657 INFO L87 Difference]: Start difference. First operand 211 states and 319 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 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) [2024-10-31 21:56:06,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:06,827 INFO L93 Difference]: Finished difference Result 400 states and 619 transitions. [2024-10-31 21:56:06,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:06,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 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) Word has length 36 [2024-10-31 21:56:06,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:06,832 INFO L225 Difference]: With dead ends: 400 [2024-10-31 21:56:06,832 INFO L226 Difference]: Without dead ends: 397 [2024-10-31 21:56:06,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:06,836 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 252 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:06,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:06,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-31 21:56:06,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2024-10-31 21:56:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 379 states have (on average 1.6015831134564644) internal successors, (607), 390 states have internal predecessors, (607), 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) [2024-10-31 21:56:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 607 transitions. [2024-10-31 21:56:06,878 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 607 transitions. Word has length 36 [2024-10-31 21:56:06,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:06,878 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 607 transitions. [2024-10-31 21:56:06,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 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) [2024-10-31 21:56:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 607 transitions. [2024-10-31 21:56:06,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-31 21:56:06,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:06,879 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:06,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:56:06,880 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:06,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:06,881 INFO L85 PathProgramCache]: Analyzing trace with hash -780016968, now seen corresponding path program 1 times [2024-10-31 21:56:06,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:06,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80194258] [2024-10-31 21:56:06,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:06,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:07,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:07,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80194258] [2024-10-31 21:56:07,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80194258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:07,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:07,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:07,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699006423] [2024-10-31 21:56:07,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:07,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:07,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:07,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:07,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:07,030 INFO L87 Difference]: Start difference. First operand 391 states and 607 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:07,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:07,211 INFO L93 Difference]: Finished difference Result 769 states and 1183 transitions. [2024-10-31 21:56:07,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:07,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-10-31 21:56:07,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:07,216 INFO L225 Difference]: With dead ends: 769 [2024-10-31 21:56:07,216 INFO L226 Difference]: Without dead ends: 766 [2024-10-31 21:56:07,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:07,218 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 242 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:07,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 254 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:56:07,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-10-31 21:56:07,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 571. [2024-10-31 21:56:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 559 states have (on average 1.5796064400715564) internal successors, (883), 570 states have internal predecessors, (883), 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) [2024-10-31 21:56:07,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 883 transitions. [2024-10-31 21:56:07,240 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 883 transitions. Word has length 37 [2024-10-31 21:56:07,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:07,241 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 883 transitions. [2024-10-31 21:56:07,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 883 transitions. [2024-10-31 21:56:07,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-31 21:56:07,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:07,243 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:07,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:56:07,243 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:07,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:07,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1589277906, now seen corresponding path program 1 times [2024-10-31 21:56:07,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:07,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502805679] [2024-10-31 21:56:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:07,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:07,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:07,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502805679] [2024-10-31 21:56:07,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502805679] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:07,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:07,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:07,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723390357] [2024-10-31 21:56:07,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:07,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:07,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:07,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:07,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:07,394 INFO L87 Difference]: Start difference. First operand 571 states and 883 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 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) [2024-10-31 21:56:07,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:07,680 INFO L93 Difference]: Finished difference Result 946 states and 1471 transitions. [2024-10-31 21:56:07,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:07,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 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) Word has length 38 [2024-10-31 21:56:07,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:07,688 INFO L225 Difference]: With dead ends: 946 [2024-10-31 21:56:07,688 INFO L226 Difference]: Without dead ends: 943 [2024-10-31 21:56:07,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:56:07,691 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 493 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:07,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 291 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:56:07,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-10-31 21:56:07,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 931. [2024-10-31 21:56:07,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 919 states have (on average 1.561479869423286) internal successors, (1435), 930 states have internal predecessors, (1435), 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) [2024-10-31 21:56:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1435 transitions. [2024-10-31 21:56:07,725 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1435 transitions. Word has length 38 [2024-10-31 21:56:07,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:07,725 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 1435 transitions. [2024-10-31 21:56:07,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 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) [2024-10-31 21:56:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1435 transitions. [2024-10-31 21:56:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-31 21:56:07,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:07,727 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:07,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:56:07,727 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:07,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:07,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2022974970, now seen corresponding path program 1 times [2024-10-31 21:56:07,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:07,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456135652] [2024-10-31 21:56:07,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:07,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:07,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:07,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456135652] [2024-10-31 21:56:07,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456135652] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:07,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:07,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:07,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802345218] [2024-10-31 21:56:07,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:07,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:07,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:07,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:07,876 INFO L87 Difference]: Start difference. First operand 931 states and 1435 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-10-31 21:56:08,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:08,234 INFO L93 Difference]: Finished difference Result 2944 states and 4519 transitions. [2024-10-31 21:56:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 21:56:08,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2024-10-31 21:56:08,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:08,241 INFO L225 Difference]: With dead ends: 2944 [2024-10-31 21:56:08,242 INFO L226 Difference]: Without dead ends: 2032 [2024-10-31 21:56:08,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-31 21:56:08,247 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 446 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:08,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 596 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 21:56:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2024-10-31 21:56:08,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1471. [2024-10-31 21:56:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1459 states have (on average 1.5099383139136395) internal successors, (2203), 1470 states have internal predecessors, (2203), 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) [2024-10-31 21:56:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2203 transitions. [2024-10-31 21:56:08,291 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2203 transitions. Word has length 39 [2024-10-31 21:56:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:08,291 INFO L471 AbstractCegarLoop]: Abstraction has 1471 states and 2203 transitions. [2024-10-31 21:56:08,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-10-31 21:56:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2203 transitions. [2024-10-31 21:56:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-31 21:56:08,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:08,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:08,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:56:08,295 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:08,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:08,296 INFO L85 PathProgramCache]: Analyzing trace with hash 130408946, now seen corresponding path program 1 times [2024-10-31 21:56:08,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:08,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045755237] [2024-10-31 21:56:08,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:08,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:08,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:08,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045755237] [2024-10-31 21:56:08,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045755237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:08,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:08,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:08,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355578009] [2024-10-31 21:56:08,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:08,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:08,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:08,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:08,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:08,371 INFO L87 Difference]: Start difference. First operand 1471 states and 2203 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-31 21:56:08,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:08,409 INFO L93 Difference]: Finished difference Result 4023 states and 6027 transitions. [2024-10-31 21:56:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:08,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2024-10-31 21:56:08,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:08,419 INFO L225 Difference]: With dead ends: 4023 [2024-10-31 21:56:08,419 INFO L226 Difference]: Without dead ends: 2571 [2024-10-31 21:56:08,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:08,422 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 75 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:08,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 257 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:08,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2024-10-31 21:56:08,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2559. [2024-10-31 21:56:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2559 states, 2547 states have (on average 1.4962701217118177) internal successors, (3811), 2558 states have internal predecessors, (3811), 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) [2024-10-31 21:56:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 3811 transitions. [2024-10-31 21:56:08,533 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 3811 transitions. Word has length 40 [2024-10-31 21:56:08,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:08,533 INFO L471 AbstractCegarLoop]: Abstraction has 2559 states and 3811 transitions. [2024-10-31 21:56:08,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-31 21:56:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3811 transitions. [2024-10-31 21:56:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-31 21:56:08,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:08,537 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:08,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 21:56:08,538 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:08,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:08,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1882770870, now seen corresponding path program 1 times [2024-10-31 21:56:08,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:08,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199456964] [2024-10-31 21:56:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:08,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:08,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:08,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:08,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199456964] [2024-10-31 21:56:08,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199456964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:08,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:08,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:08,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775549681] [2024-10-31 21:56:08,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:08,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:08,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:08,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:08,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:08,678 INFO L87 Difference]: Start difference. First operand 2559 states and 3811 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 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) [2024-10-31 21:56:08,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:08,732 INFO L93 Difference]: Finished difference Result 5815 states and 8629 transitions. [2024-10-31 21:56:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:08,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 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) Word has length 62 [2024-10-31 21:56:08,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:08,747 INFO L225 Difference]: With dead ends: 5815 [2024-10-31 21:56:08,747 INFO L226 Difference]: Without dead ends: 3275 [2024-10-31 21:56:08,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:08,750 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 45 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:08,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 186 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2024-10-31 21:56:08,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 3229. [2024-10-31 21:56:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 3217 states have (on average 1.4762200808206403) internal successors, (4749), 3228 states have internal predecessors, (4749), 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) [2024-10-31 21:56:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 4749 transitions. [2024-10-31 21:56:08,832 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 4749 transitions. Word has length 62 [2024-10-31 21:56:08,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:08,833 INFO L471 AbstractCegarLoop]: Abstraction has 3229 states and 4749 transitions. [2024-10-31 21:56:08,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 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) [2024-10-31 21:56:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 4749 transitions. [2024-10-31 21:56:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-31 21:56:08,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:08,835 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:08,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 21:56:08,836 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:08,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:08,838 INFO L85 PathProgramCache]: Analyzing trace with hash -572370161, now seen corresponding path program 1 times [2024-10-31 21:56:08,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:08,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364138774] [2024-10-31 21:56:08,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:08,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:09,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:09,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364138774] [2024-10-31 21:56:09,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364138774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:09,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:09,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:09,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471746538] [2024-10-31 21:56:09,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:09,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:09,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:09,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:09,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:09,115 INFO L87 Difference]: Start difference. First operand 3229 states and 4749 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-10-31 21:56:09,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:09,296 INFO L93 Difference]: Finished difference Result 6443 states and 9477 transitions. [2024-10-31 21:56:09,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:09,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 66 [2024-10-31 21:56:09,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:09,307 INFO L225 Difference]: With dead ends: 6443 [2024-10-31 21:56:09,307 INFO L226 Difference]: Without dead ends: 3235 [2024-10-31 21:56:09,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:09,311 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 106 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:09,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 217 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:09,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3235 states. [2024-10-31 21:56:09,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3235 to 3229. [2024-10-31 21:56:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 3217 states have (on average 1.4662729250854833) internal successors, (4717), 3228 states have internal predecessors, (4717), 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) [2024-10-31 21:56:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 4717 transitions. [2024-10-31 21:56:09,385 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 4717 transitions. Word has length 66 [2024-10-31 21:56:09,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:09,386 INFO L471 AbstractCegarLoop]: Abstraction has 3229 states and 4717 transitions. [2024-10-31 21:56:09,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-10-31 21:56:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 4717 transitions. [2024-10-31 21:56:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-31 21:56:09,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:09,387 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:09,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 21:56:09,387 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:09,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:09,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1347932395, now seen corresponding path program 1 times [2024-10-31 21:56:09,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:09,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470472088] [2024-10-31 21:56:09,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:09,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:09,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:09,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470472088] [2024-10-31 21:56:09,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470472088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:09,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:09,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:09,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646088767] [2024-10-31 21:56:09,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:09,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:09,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:09,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:09,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:09,501 INFO L87 Difference]: Start difference. First operand 3229 states and 4717 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 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) [2024-10-31 21:56:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:09,639 INFO L93 Difference]: Finished difference Result 4189 states and 6133 transitions. [2024-10-31 21:56:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:09,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 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) Word has length 67 [2024-10-31 21:56:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:09,654 INFO L225 Difference]: With dead ends: 4189 [2024-10-31 21:56:09,654 INFO L226 Difference]: Without dead ends: 4186 [2024-10-31 21:56:09,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:09,656 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 128 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:09,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 277 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:09,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2024-10-31 21:56:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 3277. [2024-10-31 21:56:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3277 states, 3265 states have (on average 1.475344563552833) internal successors, (4817), 3276 states have internal predecessors, (4817), 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) [2024-10-31 21:56:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 3277 states and 4817 transitions. [2024-10-31 21:56:09,759 INFO L78 Accepts]: Start accepts. Automaton has 3277 states and 4817 transitions. Word has length 67 [2024-10-31 21:56:09,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:09,759 INFO L471 AbstractCegarLoop]: Abstraction has 3277 states and 4817 transitions. [2024-10-31 21:56:09,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 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) [2024-10-31 21:56:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 4817 transitions. [2024-10-31 21:56:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-31 21:56:09,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:09,760 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:09,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 21:56:09,761 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)] === [2024-10-31 21:56:09,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1163768577, now seen corresponding path program 1 times [2024-10-31 21:56:09,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:09,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381286833] [2024-10-31 21:56:09,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:09,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:09,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:09,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381286833] [2024-10-31 21:56:09,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381286833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:09,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:09,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:09,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182620757] [2024-10-31 21:56:09,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:09,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:09,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:09,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:09,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:09,907 INFO L87 Difference]: Start difference. First operand 3277 states and 4817 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) [2024-10-31 21:56:10,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:10,098 INFO L93 Difference]: Finished difference Result 9211 states and 13637 transitions. [2024-10-31 21:56:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:10,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) Word has length 68 [2024-10-31 21:56:10,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:10,117 INFO L225 Difference]: With dead ends: 9211 [2024-10-31 21:56:10,117 INFO L226 Difference]: Without dead ends: 5955 [2024-10-31 21:56:10,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:56:10,122 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 305 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:10,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 268 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:10,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2024-10-31 21:56:10,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 5173. [2024-10-31 21:56:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5173 states, 5161 states have (on average 1.4813020732416198) internal successors, (7645), 5172 states have internal predecessors, (7645), 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) [2024-10-31 21:56:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 7645 transitions. [2024-10-31 21:56:10,232 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 7645 transitions. Word has length 68 [2024-10-31 21:56:10,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:10,232 INFO L471 AbstractCegarLoop]: Abstraction has 5173 states and 7645 transitions. [2024-10-31 21:56:10,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) [2024-10-31 21:56:10,233 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 7645 transitions. [2024-10-31 21:56:10,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-31 21:56:10,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:10,234 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:10,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 21:56:10,234 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:10,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:10,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1651039598, now seen corresponding path program 1 times [2024-10-31 21:56:10,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:10,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918044248] [2024-10-31 21:56:10,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:10,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:10,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918044248] [2024-10-31 21:56:10,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918044248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:10,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:10,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:10,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633277524] [2024-10-31 21:56:10,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:10,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:10,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:10,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:10,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:10,366 INFO L87 Difference]: Start difference. First operand 5173 states and 7645 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-10-31 21:56:10,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:10,467 INFO L93 Difference]: Finished difference Result 5176 states and 7645 transitions. [2024-10-31 21:56:10,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:10,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-31 21:56:10,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:10,484 INFO L225 Difference]: With dead ends: 5176 [2024-10-31 21:56:10,484 INFO L226 Difference]: Without dead ends: 5173 [2024-10-31 21:56:10,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:10,486 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 116 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:10,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 214 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:10,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2024-10-31 21:56:10,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 5170. [2024-10-31 21:56:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5170 states, 5161 states have (on average 1.4534005037783375) internal successors, (7501), 5169 states have internal predecessors, (7501), 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) [2024-10-31 21:56:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 7501 transitions. [2024-10-31 21:56:10,579 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 7501 transitions. Word has length 68 [2024-10-31 21:56:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:10,579 INFO L471 AbstractCegarLoop]: Abstraction has 5170 states and 7501 transitions. [2024-10-31 21:56:10,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-10-31 21:56:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 7501 transitions. [2024-10-31 21:56:10,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-31 21:56:10,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:10,580 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:10,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 21:56:10,581 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:10,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:10,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1717087379, now seen corresponding path program 1 times [2024-10-31 21:56:10,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:10,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782833328] [2024-10-31 21:56:10,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:10,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:10,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:10,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782833328] [2024-10-31 21:56:10,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782833328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:10,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:10,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269851521] [2024-10-31 21:56:10,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:10,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:10,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:10,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:10,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:10,713 INFO L87 Difference]: Start difference. First operand 5170 states and 7501 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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) [2024-10-31 21:56:10,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:10,947 INFO L93 Difference]: Finished difference Result 10322 states and 14969 transitions. [2024-10-31 21:56:10,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:10,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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 69 [2024-10-31 21:56:10,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:10,973 INFO L225 Difference]: With dead ends: 10322 [2024-10-31 21:56:10,973 INFO L226 Difference]: Without dead ends: 6073 [2024-10-31 21:56:10,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:56:10,982 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 261 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:10,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 380 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:10,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6073 states. [2024-10-31 21:56:11,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6073 to 6070. [2024-10-31 21:56:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6070 states, 6061 states have (on average 1.4296320739151955) internal successors, (8665), 6069 states have internal predecessors, (8665), 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) [2024-10-31 21:56:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8665 transitions. [2024-10-31 21:56:11,101 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8665 transitions. Word has length 69 [2024-10-31 21:56:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:11,102 INFO L471 AbstractCegarLoop]: Abstraction has 6070 states and 8665 transitions. [2024-10-31 21:56:11,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 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) [2024-10-31 21:56:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8665 transitions. [2024-10-31 21:56:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-31 21:56:11,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:11,103 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:11,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 21:56:11,104 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:11,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:11,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1070854285, now seen corresponding path program 1 times [2024-10-31 21:56:11,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:11,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844465120] [2024-10-31 21:56:11,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:11,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 21:56:11,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:11,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844465120] [2024-10-31 21:56:11,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844465120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:11,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:11,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:11,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586177089] [2024-10-31 21:56:11,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:11,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:11,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:11,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:11,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:11,228 INFO L87 Difference]: Start difference. First operand 6070 states and 8665 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) [2024-10-31 21:56:11,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:11,400 INFO L93 Difference]: Finished difference Result 11222 states and 16145 transitions. [2024-10-31 21:56:11,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:11,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) Word has length 69 [2024-10-31 21:56:11,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:11,412 INFO L225 Difference]: With dead ends: 11222 [2024-10-31 21:56:11,412 INFO L226 Difference]: Without dead ends: 6073 [2024-10-31 21:56:11,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:56:11,418 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 267 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:11,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 352 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:11,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6073 states. [2024-10-31 21:56:11,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6073 to 6070. [2024-10-31 21:56:11,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6070 states, 6061 states have (on average 1.422372545784524) internal successors, (8621), 6069 states have internal predecessors, (8621), 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) [2024-10-31 21:56:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8621 transitions. [2024-10-31 21:56:11,538 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8621 transitions. Word has length 69 [2024-10-31 21:56:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:11,538 INFO L471 AbstractCegarLoop]: Abstraction has 6070 states and 8621 transitions. [2024-10-31 21:56:11,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) [2024-10-31 21:56:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8621 transitions. [2024-10-31 21:56:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-31 21:56:11,539 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:11,539 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:11,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 21:56:11,539 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:11,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:11,540 INFO L85 PathProgramCache]: Analyzing trace with hash 357380150, now seen corresponding path program 1 times [2024-10-31 21:56:11,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:11,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935137651] [2024-10-31 21:56:11,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:11,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:11,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:11,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935137651] [2024-10-31 21:56:11,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935137651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:11,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:11,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:11,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780470595] [2024-10-31 21:56:11,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:11,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:11,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:11,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:11,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:11,662 INFO L87 Difference]: Start difference. First operand 6070 states and 8621 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-10-31 21:56:11,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:11,787 INFO L93 Difference]: Finished difference Result 7975 states and 11453 transitions. [2024-10-31 21:56:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:11,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 69 [2024-10-31 21:56:11,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:11,803 INFO L225 Difference]: With dead ends: 7975 [2024-10-31 21:56:11,803 INFO L226 Difference]: Without dead ends: 7972 [2024-10-31 21:56:11,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:11,807 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 117 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:11,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 274 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7972 states. [2024-10-31 21:56:11,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7972 to 7966. [2024-10-31 21:56:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7966 states, 7957 states have (on average 1.4212642955887898) internal successors, (11309), 7965 states have internal predecessors, (11309), 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) [2024-10-31 21:56:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7966 states to 7966 states and 11309 transitions. [2024-10-31 21:56:11,930 INFO L78 Accepts]: Start accepts. Automaton has 7966 states and 11309 transitions. Word has length 69 [2024-10-31 21:56:11,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:11,931 INFO L471 AbstractCegarLoop]: Abstraction has 7966 states and 11309 transitions. [2024-10-31 21:56:11,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-10-31 21:56:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 7966 states and 11309 transitions. [2024-10-31 21:56:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-31 21:56:11,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:11,932 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:11,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 21:56:11,933 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:11,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:11,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1806117100, now seen corresponding path program 1 times [2024-10-31 21:56:11,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:11,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876289138] [2024-10-31 21:56:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:11,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:12,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876289138] [2024-10-31 21:56:12,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876289138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:12,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:12,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:12,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156152731] [2024-10-31 21:56:12,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:12,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:12,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:12,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:12,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:12,106 INFO L87 Difference]: Start difference. First operand 7966 states and 11309 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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) [2024-10-31 21:56:12,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:12,329 INFO L93 Difference]: Finished difference Result 15074 states and 21881 transitions. [2024-10-31 21:56:12,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:12,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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 70 [2024-10-31 21:56:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:12,358 INFO L225 Difference]: With dead ends: 15074 [2024-10-31 21:56:12,358 INFO L226 Difference]: Without dead ends: 9377 [2024-10-31 21:56:12,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:56:12,365 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 284 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:12,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 279 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:12,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9377 states. [2024-10-31 21:56:12,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9377 to 7782. [2024-10-31 21:56:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7782 states, 7773 states have (on average 1.4266049144474462) internal successors, (11089), 7781 states have internal predecessors, (11089), 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) [2024-10-31 21:56:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7782 states to 7782 states and 11089 transitions. [2024-10-31 21:56:12,486 INFO L78 Accepts]: Start accepts. Automaton has 7782 states and 11089 transitions. Word has length 70 [2024-10-31 21:56:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:12,487 INFO L471 AbstractCegarLoop]: Abstraction has 7782 states and 11089 transitions. [2024-10-31 21:56:12,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 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) [2024-10-31 21:56:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 7782 states and 11089 transitions. [2024-10-31 21:56:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-31 21:56:12,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:12,488 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:12,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 21:56:12,488 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)] === [2024-10-31 21:56:12,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:12,489 INFO L85 PathProgramCache]: Analyzing trace with hash 536801861, now seen corresponding path program 1 times [2024-10-31 21:56:12,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:12,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390473960] [2024-10-31 21:56:12,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:12,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:12,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390473960] [2024-10-31 21:56:12,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390473960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:12,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:12,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:12,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992672158] [2024-10-31 21:56:12,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:12,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:12,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:12,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:12,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:12,667 INFO L87 Difference]: Start difference. First operand 7782 states and 11089 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-10-31 21:56:12,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:12,849 INFO L93 Difference]: Finished difference Result 8236 states and 11717 transitions. [2024-10-31 21:56:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:12,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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 71 [2024-10-31 21:56:12,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:12,865 INFO L225 Difference]: With dead ends: 8236 [2024-10-31 21:56:12,866 INFO L226 Difference]: Without dead ends: 8233 [2024-10-31 21:56:12,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:12,869 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 216 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:12,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 359 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:12,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8233 states. [2024-10-31 21:56:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8233 to 8230. [2024-10-31 21:56:12,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8230 states, 8221 states have (on average 1.4174674613793943) internal successors, (11653), 8229 states have internal predecessors, (11653), 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) [2024-10-31 21:56:12,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8230 states to 8230 states and 11653 transitions. [2024-10-31 21:56:12,984 INFO L78 Accepts]: Start accepts. Automaton has 8230 states and 11653 transitions. Word has length 71 [2024-10-31 21:56:12,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:12,984 INFO L471 AbstractCegarLoop]: Abstraction has 8230 states and 11653 transitions. [2024-10-31 21:56:12,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-10-31 21:56:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 8230 states and 11653 transitions. [2024-10-31 21:56:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-31 21:56:12,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:12,985 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:12,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 21:56:12,986 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:12,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:12,986 INFO L85 PathProgramCache]: Analyzing trace with hash -471598904, now seen corresponding path program 1 times [2024-10-31 21:56:12,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:12,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285570638] [2024-10-31 21:56:12,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:13,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:13,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285570638] [2024-10-31 21:56:13,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285570638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:13,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:13,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:13,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444788068] [2024-10-31 21:56:13,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:13,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:13,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:13,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:13,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:13,086 INFO L87 Difference]: Start difference. First operand 8230 states and 11653 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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) [2024-10-31 21:56:13,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:13,273 INFO L93 Difference]: Finished difference Result 10770 states and 15429 transitions. [2024-10-31 21:56:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:13,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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) Word has length 71 [2024-10-31 21:56:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:13,297 INFO L225 Difference]: With dead ends: 10770 [2024-10-31 21:56:13,298 INFO L226 Difference]: Without dead ends: 10767 [2024-10-31 21:56:13,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:13,302 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 157 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:13,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 343 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10767 states. [2024-10-31 21:56:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10767 to 10126. [2024-10-31 21:56:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10126 states, 10117 states have (on average 1.4032816052189385) internal successors, (14197), 10125 states have internal predecessors, (14197), 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) [2024-10-31 21:56:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10126 states to 10126 states and 14197 transitions. [2024-10-31 21:56:13,485 INFO L78 Accepts]: Start accepts. Automaton has 10126 states and 14197 transitions. Word has length 71 [2024-10-31 21:56:13,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:13,485 INFO L471 AbstractCegarLoop]: Abstraction has 10126 states and 14197 transitions. [2024-10-31 21:56:13,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 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) [2024-10-31 21:56:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 10126 states and 14197 transitions. [2024-10-31 21:56:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-31 21:56:13,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:13,486 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:13,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 21:56:13,487 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:13,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:13,487 INFO L85 PathProgramCache]: Analyzing trace with hash -155055112, now seen corresponding path program 1 times [2024-10-31 21:56:13,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:13,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460066087] [2024-10-31 21:56:13,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:13,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:13,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460066087] [2024-10-31 21:56:13,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460066087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:13,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:13,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:13,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616497831] [2024-10-31 21:56:13,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:13,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:13,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:13,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:13,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:13,610 INFO L87 Difference]: Start difference. First operand 10126 states and 14197 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 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) [2024-10-31 21:56:13,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:13,800 INFO L93 Difference]: Finished difference Result 15507 states and 21781 transitions. [2024-10-31 21:56:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:13,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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 71 [2024-10-31 21:56:13,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:13,821 INFO L225 Difference]: With dead ends: 15507 [2024-10-31 21:56:13,821 INFO L226 Difference]: Without dead ends: 11077 [2024-10-31 21:56:13,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:56:13,828 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 255 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:13,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 391 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:13,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11077 states. [2024-10-31 21:56:13,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11077 to 10442. [2024-10-31 21:56:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10442 states, 10433 states have (on average 1.400651778012077) internal successors, (14613), 10441 states have internal predecessors, (14613), 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) [2024-10-31 21:56:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10442 states to 10442 states and 14613 transitions. [2024-10-31 21:56:14,027 INFO L78 Accepts]: Start accepts. Automaton has 10442 states and 14613 transitions. Word has length 71 [2024-10-31 21:56:14,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:14,027 INFO L471 AbstractCegarLoop]: Abstraction has 10442 states and 14613 transitions. [2024-10-31 21:56:14,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-10-31 21:56:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 10442 states and 14613 transitions. [2024-10-31 21:56:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-31 21:56:14,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:14,029 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:14,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 21:56:14,029 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:14,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:14,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1734663998, now seen corresponding path program 1 times [2024-10-31 21:56:14,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:14,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279995966] [2024-10-31 21:56:14,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:14,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:14,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:14,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:14,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279995966] [2024-10-31 21:56:14,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279995966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:14,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:14,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:14,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394702356] [2024-10-31 21:56:14,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:14,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:14,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:14,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:14,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:14,190 INFO L87 Difference]: Start difference. First operand 10442 states and 14613 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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) [2024-10-31 21:56:14,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:14,338 INFO L93 Difference]: Finished difference Result 12780 states and 17921 transitions. [2024-10-31 21:56:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:14,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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) Word has length 72 [2024-10-31 21:56:14,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:14,352 INFO L225 Difference]: With dead ends: 12780 [2024-10-31 21:56:14,353 INFO L226 Difference]: Without dead ends: 8350 [2024-10-31 21:56:14,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:14,359 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 194 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:14,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 316 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:14,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8350 states. [2024-10-31 21:56:14,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8350 to 6238. [2024-10-31 21:56:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6238 states, 6229 states have (on average 1.3891475357200194) internal successors, (8653), 6237 states have internal predecessors, (8653), 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) [2024-10-31 21:56:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8653 transitions. [2024-10-31 21:56:14,549 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8653 transitions. Word has length 72 [2024-10-31 21:56:14,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:14,549 INFO L471 AbstractCegarLoop]: Abstraction has 6238 states and 8653 transitions. [2024-10-31 21:56:14,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 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) [2024-10-31 21:56:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8653 transitions. [2024-10-31 21:56:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-31 21:56:14,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:14,551 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:14,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 21:56:14,551 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:14,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:14,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2059991050, now seen corresponding path program 1 times [2024-10-31 21:56:14,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:14,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541415531] [2024-10-31 21:56:14,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:14,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:14,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:14,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541415531] [2024-10-31 21:56:14,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541415531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:14,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:14,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:14,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191179892] [2024-10-31 21:56:14,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:14,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:14,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:14,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:14,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:14,696 INFO L87 Difference]: Start difference. First operand 6238 states and 8653 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-10-31 21:56:14,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:14,829 INFO L93 Difference]: Finished difference Result 7416 states and 10373 transitions. [2024-10-31 21:56:14,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:14,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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 73 [2024-10-31 21:56:14,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:14,842 INFO L225 Difference]: With dead ends: 7416 [2024-10-31 21:56:14,842 INFO L226 Difference]: Without dead ends: 7415 [2024-10-31 21:56:14,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:14,846 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 198 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:14,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 380 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7415 states. [2024-10-31 21:56:14,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7415 to 7406. [2024-10-31 21:56:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7406 states, 7397 states have (on average 1.4012437474651886) internal successors, (10365), 7405 states have internal predecessors, (10365), 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) [2024-10-31 21:56:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7406 states to 7406 states and 10365 transitions. [2024-10-31 21:56:15,057 INFO L78 Accepts]: Start accepts. Automaton has 7406 states and 10365 transitions. Word has length 73 [2024-10-31 21:56:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:15,058 INFO L471 AbstractCegarLoop]: Abstraction has 7406 states and 10365 transitions. [2024-10-31 21:56:15,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-10-31 21:56:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7406 states and 10365 transitions. [2024-10-31 21:56:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-31 21:56:15,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:15,059 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:15,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 21:56:15,059 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:15,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:15,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1588743152, now seen corresponding path program 1 times [2024-10-31 21:56:15,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:15,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248748434] [2024-10-31 21:56:15,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:15,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:15,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:15,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248748434] [2024-10-31 21:56:15,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248748434] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:15,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:15,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:15,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231615088] [2024-10-31 21:56:15,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:15,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:15,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:15,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:15,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:15,201 INFO L87 Difference]: Start difference. First operand 7406 states and 10365 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-10-31 21:56:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:15,369 INFO L93 Difference]: Finished difference Result 7728 states and 10813 transitions. [2024-10-31 21:56:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:15,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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 73 [2024-10-31 21:56:15,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:15,382 INFO L225 Difference]: With dead ends: 7728 [2024-10-31 21:56:15,383 INFO L226 Difference]: Without dead ends: 7725 [2024-10-31 21:56:15,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:15,386 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 191 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:15,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 382 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:15,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7725 states. [2024-10-31 21:56:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7725 to 7722. [2024-10-31 21:56:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7722 states, 7713 states have (on average 1.3988072086088421) internal successors, (10789), 7721 states have internal predecessors, (10789), 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) [2024-10-31 21:56:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7722 states to 7722 states and 10789 transitions. [2024-10-31 21:56:15,558 INFO L78 Accepts]: Start accepts. Automaton has 7722 states and 10789 transitions. Word has length 73 [2024-10-31 21:56:15,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:15,558 INFO L471 AbstractCegarLoop]: Abstraction has 7722 states and 10789 transitions. [2024-10-31 21:56:15,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-10-31 21:56:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 7722 states and 10789 transitions. [2024-10-31 21:56:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-31 21:56:15,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:15,560 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:15,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-31 21:56:15,561 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:15,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:15,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1061807010, now seen corresponding path program 1 times [2024-10-31 21:56:15,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:15,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506667909] [2024-10-31 21:56:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:15,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:15,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:15,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506667909] [2024-10-31 21:56:15,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506667909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:15,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:15,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:15,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593910587] [2024-10-31 21:56:15,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:15,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:15,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:15,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:15,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:15,744 INFO L87 Difference]: Start difference. First operand 7722 states and 10789 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-10-31 21:56:15,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:15,911 INFO L93 Difference]: Finished difference Result 7947 states and 11093 transitions. [2024-10-31 21:56:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:15,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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 75 [2024-10-31 21:56:15,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:15,925 INFO L225 Difference]: With dead ends: 7947 [2024-10-31 21:56:15,926 INFO L226 Difference]: Without dead ends: 7506 [2024-10-31 21:56:15,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:15,929 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 195 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:15,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 482 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7506 states. [2024-10-31 21:56:16,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7506 to 7502. [2024-10-31 21:56:16,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7502 states, 7493 states have (on average 1.3977045242226078) internal successors, (10473), 7501 states have internal predecessors, (10473), 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) [2024-10-31 21:56:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7502 states to 7502 states and 10473 transitions. [2024-10-31 21:56:16,095 INFO L78 Accepts]: Start accepts. Automaton has 7502 states and 10473 transitions. Word has length 75 [2024-10-31 21:56:16,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:16,096 INFO L471 AbstractCegarLoop]: Abstraction has 7502 states and 10473 transitions. [2024-10-31 21:56:16,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-10-31 21:56:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 7502 states and 10473 transitions. [2024-10-31 21:56:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-31 21:56:16,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:16,101 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:16,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-31 21:56:16,101 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:16,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:16,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1763683459, now seen corresponding path program 1 times [2024-10-31 21:56:16,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:16,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488626333] [2024-10-31 21:56:16,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:16,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:16,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:16,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488626333] [2024-10-31 21:56:16,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488626333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:16,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:16,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:16,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329053011] [2024-10-31 21:56:16,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:16,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:56:16,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:16,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:16,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:16,279 INFO L87 Difference]: Start difference. First operand 7502 states and 10473 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-10-31 21:56:16,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:16,439 INFO L93 Difference]: Finished difference Result 7728 states and 10773 transitions. [2024-10-31 21:56:16,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:16,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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 96 [2024-10-31 21:56:16,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:16,456 INFO L225 Difference]: With dead ends: 7728 [2024-10-31 21:56:16,456 INFO L226 Difference]: Without dead ends: 7725 [2024-10-31 21:56:16,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:16,460 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 130 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:16,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 343 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7725 states. [2024-10-31 21:56:16,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7725 to 7499. [2024-10-31 21:56:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7499 states, 7493 states have (on average 1.365674629654344) internal successors, (10233), 7498 states have internal predecessors, (10233), 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) [2024-10-31 21:56:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 10233 transitions. [2024-10-31 21:56:16,626 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 10233 transitions. Word has length 96 [2024-10-31 21:56:16,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:16,626 INFO L471 AbstractCegarLoop]: Abstraction has 7499 states and 10233 transitions. [2024-10-31 21:56:16,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-10-31 21:56:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 10233 transitions. [2024-10-31 21:56:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-31 21:56:16,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:16,631 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:16,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-31 21:56:16,631 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:16,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:16,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1612282239, now seen corresponding path program 1 times [2024-10-31 21:56:16,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:16,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244788209] [2024-10-31 21:56:16,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:16,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:16,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:16,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244788209] [2024-10-31 21:56:16,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244788209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:16,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:16,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:16,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640074002] [2024-10-31 21:56:16,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:16,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:16,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:16,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:16,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:16,815 INFO L87 Difference]: Start difference. First operand 7499 states and 10233 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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) [2024-10-31 21:56:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:16,989 INFO L93 Difference]: Finished difference Result 10834 states and 14909 transitions. [2024-10-31 21:56:16,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:16,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 98 [2024-10-31 21:56:16,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:16,998 INFO L225 Difference]: With dead ends: 10834 [2024-10-31 21:56:16,999 INFO L226 Difference]: Without dead ends: 6516 [2024-10-31 21:56:17,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:17,003 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 208 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:17,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 417 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:17,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6516 states. [2024-10-31 21:56:17,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6516 to 6507. [2024-10-31 21:56:17,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6507 states, 6501 states have (on average 1.3636363636363635) internal successors, (8865), 6506 states have internal predecessors, (8865), 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) [2024-10-31 21:56:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6507 states to 6507 states and 8865 transitions. [2024-10-31 21:56:17,094 INFO L78 Accepts]: Start accepts. Automaton has 6507 states and 8865 transitions. Word has length 98 [2024-10-31 21:56:17,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:17,094 INFO L471 AbstractCegarLoop]: Abstraction has 6507 states and 8865 transitions. [2024-10-31 21:56:17,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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) [2024-10-31 21:56:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 6507 states and 8865 transitions. [2024-10-31 21:56:17,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-31 21:56:17,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:17,097 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:17,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-31 21:56:17,098 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:17,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1406860725, now seen corresponding path program 2 times [2024-10-31 21:56:17,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118448017] [2024-10-31 21:56:17,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:56:17,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:17,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118448017] [2024-10-31 21:56:17,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118448017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:17,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:17,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:17,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930625342] [2024-10-31 21:56:17,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:17,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:17,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:17,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:17,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:17,289 INFO L87 Difference]: Start difference. First operand 6507 states and 8865 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-10-31 21:56:17,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:17,474 INFO L93 Difference]: Finished difference Result 6737 states and 9165 transitions. [2024-10-31 21:56:17,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:17,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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 98 [2024-10-31 21:56:17,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:17,483 INFO L225 Difference]: With dead ends: 6737 [2024-10-31 21:56:17,483 INFO L226 Difference]: Without dead ends: 5664 [2024-10-31 21:56:17,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:17,487 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 180 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:17,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 515 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:56:17,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5664 states. [2024-10-31 21:56:17,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5664 to 5655. [2024-10-31 21:56:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5655 states, 5649 states have (on average 1.3653744025491237) internal successors, (7713), 5654 states have internal predecessors, (7713), 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) [2024-10-31 21:56:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 5655 states and 7713 transitions. [2024-10-31 21:56:17,606 INFO L78 Accepts]: Start accepts. Automaton has 5655 states and 7713 transitions. Word has length 98 [2024-10-31 21:56:17,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:17,607 INFO L471 AbstractCegarLoop]: Abstraction has 5655 states and 7713 transitions. [2024-10-31 21:56:17,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-10-31 21:56:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 7713 transitions. [2024-10-31 21:56:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-31 21:56:17,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:17,611 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:17,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-31 21:56:17,611 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:17,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,612 INFO L85 PathProgramCache]: Analyzing trace with hash -616498749, now seen corresponding path program 1 times [2024-10-31 21:56:17,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843974807] [2024-10-31 21:56:17,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 21:56:17,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:17,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843974807] [2024-10-31 21:56:17,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843974807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:17,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:17,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:17,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881462046] [2024-10-31 21:56:17,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:17,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:17,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:17,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:17,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:17,716 INFO L87 Difference]: Start difference. First operand 5655 states and 7713 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-10-31 21:56:17,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:17,770 INFO L93 Difference]: Finished difference Result 12819 states and 17541 transitions. [2024-10-31 21:56:17,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:17,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 98 [2024-10-31 21:56:17,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:17,781 INFO L225 Difference]: With dead ends: 12819 [2024-10-31 21:56:17,781 INFO L226 Difference]: Without dead ends: 7853 [2024-10-31 21:56:17,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:17,834 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 63 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:17,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 238 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:17,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7853 states. [2024-10-31 21:56:17,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7853 to 7555. [2024-10-31 21:56:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7555 states, 7549 states have (on average 1.3420320572261226) internal successors, (10131), 7554 states have internal predecessors, (10131), 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) [2024-10-31 21:56:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7555 states to 7555 states and 10131 transitions. [2024-10-31 21:56:17,931 INFO L78 Accepts]: Start accepts. Automaton has 7555 states and 10131 transitions. Word has length 98 [2024-10-31 21:56:17,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:17,931 INFO L471 AbstractCegarLoop]: Abstraction has 7555 states and 10131 transitions. [2024-10-31 21:56:17,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-10-31 21:56:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 7555 states and 10131 transitions. [2024-10-31 21:56:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-31 21:56:17,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:17,934 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:17,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-31 21:56:17,934 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:17,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1492177009, now seen corresponding path program 1 times [2024-10-31 21:56:17,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964533326] [2024-10-31 21:56:17,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 21:56:18,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:18,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964533326] [2024-10-31 21:56:18,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964533326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:18,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:18,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:18,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862751015] [2024-10-31 21:56:18,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:18,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:18,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:18,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:18,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:18,139 INFO L87 Difference]: Start difference. First operand 7555 states and 10131 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 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) [2024-10-31 21:56:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:18,277 INFO L93 Difference]: Finished difference Result 7558 states and 10131 transitions. [2024-10-31 21:56:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:18,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 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 100 [2024-10-31 21:56:18,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:18,286 INFO L225 Difference]: With dead ends: 7558 [2024-10-31 21:56:18,286 INFO L226 Difference]: Without dead ends: 7555 [2024-10-31 21:56:18,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:18,289 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 162 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:18,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 378 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:18,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7555 states. [2024-10-31 21:56:18,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7555 to 7555. [2024-10-31 21:56:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7555 states, 7549 states have (on average 1.3372632136706848) internal successors, (10095), 7554 states have internal predecessors, (10095), 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) [2024-10-31 21:56:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7555 states to 7555 states and 10095 transitions. [2024-10-31 21:56:18,383 INFO L78 Accepts]: Start accepts. Automaton has 7555 states and 10095 transitions. Word has length 100 [2024-10-31 21:56:18,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:18,383 INFO L471 AbstractCegarLoop]: Abstraction has 7555 states and 10095 transitions. [2024-10-31 21:56:18,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 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) [2024-10-31 21:56:18,384 INFO L276 IsEmpty]: Start isEmpty. Operand 7555 states and 10095 transitions. [2024-10-31 21:56:18,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-31 21:56:18,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:18,389 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:18,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-31 21:56:18,389 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:18,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:18,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1356366236, now seen corresponding path program 1 times [2024-10-31 21:56:18,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:18,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207215890] [2024-10-31 21:56:18,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:18,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:18,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:18,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207215890] [2024-10-31 21:56:18,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207215890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:18,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:18,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:18,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899508095] [2024-10-31 21:56:18,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:18,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:18,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:18,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:18,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:18,593 INFO L87 Difference]: Start difference. First operand 7555 states and 10095 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:18,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:18,717 INFO L93 Difference]: Finished difference Result 8840 states and 11881 transitions. [2024-10-31 21:56:18,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:18,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-10-31 21:56:18,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:18,724 INFO L225 Difference]: With dead ends: 8840 [2024-10-31 21:56:18,724 INFO L226 Difference]: Without dead ends: 4630 [2024-10-31 21:56:18,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:18,728 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 143 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:18,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 325 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:18,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4630 states. [2024-10-31 21:56:18,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4630 to 4228. [2024-10-31 21:56:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4228 states, 4225 states have (on average 1.310059171597633) internal successors, (5535), 4227 states have internal predecessors, (5535), 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) [2024-10-31 21:56:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 4228 states and 5535 transitions. [2024-10-31 21:56:18,785 INFO L78 Accepts]: Start accepts. Automaton has 4228 states and 5535 transitions. Word has length 101 [2024-10-31 21:56:18,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:18,785 INFO L471 AbstractCegarLoop]: Abstraction has 4228 states and 5535 transitions. [2024-10-31 21:56:18,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand 4228 states and 5535 transitions. [2024-10-31 21:56:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 21:56:18,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:18,788 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:18,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-31 21:56:18,789 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:18,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:18,789 INFO L85 PathProgramCache]: Analyzing trace with hash 852205028, now seen corresponding path program 1 times [2024-10-31 21:56:18,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:18,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839451087] [2024-10-31 21:56:18,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:18,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 21:56:18,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:18,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839451087] [2024-10-31 21:56:18,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839451087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:18,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:18,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:18,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748145497] [2024-10-31 21:56:18,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:18,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:18,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:18,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:18,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:18,991 INFO L87 Difference]: Start difference. First operand 4228 states and 5535 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 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) [2024-10-31 21:56:19,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:19,113 INFO L93 Difference]: Finished difference Result 4229 states and 5535 transitions. [2024-10-31 21:56:19,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:19,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 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 102 [2024-10-31 21:56:19,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:19,119 INFO L225 Difference]: With dead ends: 4229 [2024-10-31 21:56:19,119 INFO L226 Difference]: Without dead ends: 4226 [2024-10-31 21:56:19,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:19,121 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 156 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:19,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 377 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2024-10-31 21:56:19,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 4226. [2024-10-31 21:56:19,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4226 states, 4225 states have (on average 1.3034319526627218) internal successors, (5507), 4225 states have internal predecessors, (5507), 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) [2024-10-31 21:56:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 4226 states and 5507 transitions. [2024-10-31 21:56:19,172 INFO L78 Accepts]: Start accepts. Automaton has 4226 states and 5507 transitions. Word has length 102 [2024-10-31 21:56:19,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:19,172 INFO L471 AbstractCegarLoop]: Abstraction has 4226 states and 5507 transitions. [2024-10-31 21:56:19,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 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) [2024-10-31 21:56:19,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4226 states and 5507 transitions. [2024-10-31 21:56:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 21:56:19,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:19,176 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:19,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-31 21:56:19,177 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:19,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:19,177 INFO L85 PathProgramCache]: Analyzing trace with hash -902319504, now seen corresponding path program 1 times [2024-10-31 21:56:19,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:19,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909519198] [2024-10-31 21:56:19,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:19,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:19,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:19,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909519198] [2024-10-31 21:56:19,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909519198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:19,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:19,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:19,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213676774] [2024-10-31 21:56:19,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:19,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:19,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:19,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:19,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:19,369 INFO L87 Difference]: Start difference. First operand 4226 states and 5507 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:19,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:19,488 INFO L93 Difference]: Finished difference Result 4227 states and 5507 transitions. [2024-10-31 21:56:19,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:19,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-10-31 21:56:19,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:19,494 INFO L225 Difference]: With dead ends: 4227 [2024-10-31 21:56:19,495 INFO L226 Difference]: Without dead ends: 4226 [2024-10-31 21:56:19,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:19,497 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 132 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:19,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 393 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:19,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2024-10-31 21:56:19,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 4226. [2024-10-31 21:56:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4226 states, 4225 states have (on average 1.3015384615384615) internal successors, (5499), 4225 states have internal predecessors, (5499), 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) [2024-10-31 21:56:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 4226 states and 5499 transitions. [2024-10-31 21:56:19,550 INFO L78 Accepts]: Start accepts. Automaton has 4226 states and 5499 transitions. Word has length 102 [2024-10-31 21:56:19,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:19,551 INFO L471 AbstractCegarLoop]: Abstraction has 4226 states and 5499 transitions. [2024-10-31 21:56:19,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 4226 states and 5499 transitions. [2024-10-31 21:56:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 21:56:19,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:19,555 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:19,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-31 21:56:19,555 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:19,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:19,556 INFO L85 PathProgramCache]: Analyzing trace with hash 359852434, now seen corresponding path program 1 times [2024-10-31 21:56:19,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:19,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66921446] [2024-10-31 21:56:19,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:19,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 21:56:19,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66921446] [2024-10-31 21:56:19,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66921446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:19,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:19,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:19,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16443263] [2024-10-31 21:56:19,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:19,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:19,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:19,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:19,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:19,722 INFO L87 Difference]: Start difference. First operand 4226 states and 5499 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-10-31 21:56:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:19,871 INFO L93 Difference]: Finished difference Result 4448 states and 5795 transitions. [2024-10-31 21:56:19,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:19,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 104 [2024-10-31 21:56:19,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:19,877 INFO L225 Difference]: With dead ends: 4448 [2024-10-31 21:56:19,877 INFO L226 Difference]: Without dead ends: 3787 [2024-10-31 21:56:19,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:19,880 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 169 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:19,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 588 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:19,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3787 states. [2024-10-31 21:56:19,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3787 to 3566. [2024-10-31 21:56:19,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3566 states, 3565 states have (on average 1.293969144460028) internal successors, (4613), 3565 states have internal predecessors, (4613), 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) [2024-10-31 21:56:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3566 states and 4613 transitions. [2024-10-31 21:56:19,923 INFO L78 Accepts]: Start accepts. Automaton has 3566 states and 4613 transitions. Word has length 104 [2024-10-31 21:56:19,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:19,923 INFO L471 AbstractCegarLoop]: Abstraction has 3566 states and 4613 transitions. [2024-10-31 21:56:19,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-10-31 21:56:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3566 states and 4613 transitions. [2024-10-31 21:56:19,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 21:56:19,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:19,927 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:19,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-31 21:56:19,927 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:19,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:19,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1288261038, now seen corresponding path program 2 times [2024-10-31 21:56:19,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:19,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022354741] [2024-10-31 21:56:19,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:19,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 21:56:20,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:20,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022354741] [2024-10-31 21:56:20,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022354741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:20,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:20,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:20,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003726141] [2024-10-31 21:56:20,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:20,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:20,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:20,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:20,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:20,093 INFO L87 Difference]: Start difference. First operand 3566 states and 4613 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 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) [2024-10-31 21:56:20,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:20,205 INFO L93 Difference]: Finished difference Result 3567 states and 4613 transitions. [2024-10-31 21:56:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:20,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 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 104 [2024-10-31 21:56:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:20,210 INFO L225 Difference]: With dead ends: 3567 [2024-10-31 21:56:20,210 INFO L226 Difference]: Without dead ends: 2554 [2024-10-31 21:56:20,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:20,212 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 152 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 478 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 [2024-10-31 21:56:20,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 478 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:20,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2024-10-31 21:56:20,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2554. [2024-10-31 21:56:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2553 states have (on average 1.2867215041128084) internal successors, (3285), 2553 states have internal predecessors, (3285), 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) [2024-10-31 21:56:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 3285 transitions. [2024-10-31 21:56:20,241 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 3285 transitions. Word has length 104 [2024-10-31 21:56:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:20,241 INFO L471 AbstractCegarLoop]: Abstraction has 2554 states and 3285 transitions. [2024-10-31 21:56:20,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 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) [2024-10-31 21:56:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 3285 transitions. [2024-10-31 21:56:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-31 21:56:20,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:20,246 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:20,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-31 21:56:20,247 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-31 21:56:20,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:20,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1572607299, now seen corresponding path program 1 times [2024-10-31 21:56:20,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:20,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952603836] [2024-10-31 21:56:20,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:20,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 21:56:20,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:20,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952603836] [2024-10-31 21:56:20,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952603836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:20,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:20,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:20,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817647103] [2024-10-31 21:56:20,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:20,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:56:20,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:20,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:20,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:20,488 INFO L87 Difference]: Start difference. First operand 2554 states and 3285 transitions. Second operand has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-10-31 21:56:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:20,609 INFO L93 Difference]: Finished difference Result 2554 states and 3285 transitions. [2024-10-31 21:56:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:20,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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 126 [2024-10-31 21:56:20,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:20,610 INFO L225 Difference]: With dead ends: 2554 [2024-10-31 21:56:20,611 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 21:56:20,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:20,613 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 150 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:20,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 495 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:56:20,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 21:56:20,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 21:56:20,614 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) [2024-10-31 21:56:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 21:56:20,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 126 [2024-10-31 21:56:20,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:20,615 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:56:20,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-10-31 21:56:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 21:56:20,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 21:56:20,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2024-10-31 21:56:20,619 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2024-10-31 21:56:20,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2024-10-31 21:56:20,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2024-10-31 21:56:20,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2024-10-31 21:56:20,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2024-10-31 21:56:20,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2024-10-31 21:56:20,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2024-10-31 21:56:20,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2024-10-31 21:56:20,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2024-10-31 21:56:20,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2024-10-31 21:56:20,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2024-10-31 21:56:20,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2024-10-31 21:56:20,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2024-10-31 21:56:20,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-31 21:56:20,626 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:20,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 21:56:20,636 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:56:20,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:56:20 BoogieIcfgContainer [2024-10-31 21:56:20,645 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:56:20,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:56:20,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:56:20,646 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:56:20,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:05" (3/4) ... [2024-10-31 21:56:20,650 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 21:56:20,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-31 21:56:20,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 21:56:20,663 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 21:56:20,663 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 21:56:20,847 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:56:20,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 21:56:20,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:56:20,849 INFO L158 Benchmark]: Toolchain (without parser) took 16945.69ms. Allocated memory was 176.2MB in the beginning and 1.1GB in the end (delta: 952.1MB). Free memory was 146.0MB in the beginning and 968.2MB in the end (delta: -822.1MB). Peak memory consumption was 131.5MB. Max. memory is 16.1GB. [2024-10-31 21:56:20,849 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 117.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:20,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.83ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 129.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 21:56:20,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.29ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 127.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:20,851 INFO L158 Benchmark]: Boogie Preprocessor took 57.55ms. Allocated memory is still 176.2MB. Free memory was 127.7MB in the beginning and 125.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:56:20,851 INFO L158 Benchmark]: RCFGBuilder took 763.85ms. Allocated memory is still 176.2MB. Free memory was 125.1MB in the beginning and 100.5MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:20,851 INFO L158 Benchmark]: TraceAbstraction took 15447.22ms. Allocated memory was 176.2MB in the beginning and 1.1GB in the end (delta: 952.1MB). Free memory was 99.9MB in the beginning and 975.5MB in the end (delta: -875.6MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-10-31 21:56:20,852 INFO L158 Benchmark]: Witness Printer took 202.73ms. Allocated memory is still 1.1GB. Free memory was 975.5MB in the beginning and 968.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 21:56:20,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 117.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.83ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 129.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.29ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 127.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.55ms. Allocated memory is still 176.2MB. Free memory was 127.7MB in the beginning and 125.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 763.85ms. Allocated memory is still 176.2MB. Free memory was 125.1MB in the beginning and 100.5MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15447.22ms. Allocated memory was 176.2MB in the beginning and 1.1GB in the end (delta: 952.1MB). Free memory was 99.9MB in the beginning and 975.5MB in the end (delta: -875.6MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Witness Printer took 202.73ms. Allocated memory is still 1.1GB. Free memory was 975.5MB in the beginning and 968.2MB in the end (delta: 7.3MB). 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: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 181]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 181]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 181]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 181]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 212]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 212]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 212]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 212]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 226]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 226]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 226]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 226]: 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, 90 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 35, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6331 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6331 mSDsluCounter, 11806 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5930 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3449 IncrementalHoareTripleChecker+Invalid, 3619 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 5876 mSDtfsCounter, 3449 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10442occurred in iteration=20, InterpolantAutomatonStates: 161, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 35 MinimizatonAttempts, 8735 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2525 NumberOfCodeBlocks, 2525 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2490 ConstructedInterpolants, 0 QuantifiedInterpolants, 9443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 PerfectInterpolantSequences, 773/773 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 RESULT: Ultimate proved your program to be correct! [2024-10-31 21:56:20,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb522e2-8b50-4f3a-adf9-b39d2b47e7e2/bin/uautomizer-verify-4GaUIPS5ZU/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