./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/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_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/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 64bit --witnessprinter.graph.data.programhash 13deb6f52d025fc244c9b82340ddcdc8e3861c427873ebfb2833f80ffdb30e1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:10:59,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:10:59,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:10:59,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:10:59,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:10:59,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:10:59,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:10:59,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:10:59,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:10:59,359 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:10:59,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:10:59,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:10:59,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:10:59,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:10:59,363 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:10:59,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:10:59,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:10:59,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:10:59,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:10:59,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:10:59,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:10:59,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:10:59,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:10:59,370 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:10:59,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:10:59,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:10:59,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:10:59,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:10:59,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:10:59,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:10:59,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:10:59,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:59,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:10:59,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:10:59,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:10:59,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:10:59,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:10:59,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:10:59,376 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:10:59,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:10:59,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:10:59,377 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_6835fe87-ca10-4371-b870-7b57035e7a13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13deb6f52d025fc244c9b82340ddcdc8e3861c427873ebfb2833f80ffdb30e1c [2024-10-31 22:10:59,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:10:59,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:10:59,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:10:59,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:10:59,697 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:10:59,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i Unable to find full path for "g++" [2024-10-31 22:11:01,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:02,085 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:02,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2024-10-31 22:11:02,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/data/899f79e94/d8059aaef746489996facbc665d08469/FLAG90c81080f [2024-10-31 22:11:02,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/data/899f79e94/d8059aaef746489996facbc665d08469 [2024-10-31 22:11:02,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:02,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:02,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:02,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:02,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:02,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:02" (1/1) ... [2024-10-31 22:11:02,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15683217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:02, skipping insertion in model container [2024-10-31 22:11:02,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:02" (1/1) ... [2024-10-31 22:11:02,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:04,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:04,322 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:04,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:04,950 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:04,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04 WrapperNode [2024-10-31 22:11:04,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:04,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:04,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:04,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:04,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,162 INFO L138 Inliner]: procedures = 575, calls = 745, calls flagged for inlining = 29, calls inlined = 27, statements flattened = 2061 [2024-10-31 22:11:05,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:05,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:05,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:05,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:05,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,216 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,331 INFO L175 MemorySlicer]: Split 626 memory accesses to 21 slices as follows [7, 2, 3, 3, 38, 3, 4, 15, 3, 23, 2, 9, 3, 17, 4, 17, 355, 51, 44, 20, 3]. 57 percent of accesses are in the largest equivalence class. The 384 initializations are split as follows [0, 2, 3, 0, 9, 3, 4, 0, 0, 0, 0, 1, 0, 0, 0, 4, 355, 3, 0, 0, 0]. The 102 writes are split as follows [7, 0, 0, 0, 0, 0, 0, 3, 0, 11, 1, 4, 0, 17, 4, 4, 0, 36, 12, 3, 0]. [2024-10-31 22:11:05,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:05,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:05,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:05,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:05,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (1/1) ... [2024-10-31 22:11:05,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:05,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:05,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:05,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2024-10-31 22:11:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2024-10-31 22:11:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2024-10-31 22:11:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2024-10-31 22:11:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2024-10-31 22:11:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2024-10-31 22:11:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2024-10-31 22:11:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2024-10-31 22:11:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2024-10-31 22:11:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2024-10-31 22:11:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2024-10-31 22:11:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2024-10-31 22:11:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2024-10-31 22:11:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2024-10-31 22:11:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2024-10-31 22:11:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2024-10-31 22:11:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2024-10-31 22:11:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2024-10-31 22:11:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2024-10-31 22:11:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2024-10-31 22:11:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2024-10-31 22:11:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2024-10-31 22:11:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2024-10-31 22:11:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2024-10-31 22:11:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2024-10-31 22:11:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2024-10-31 22:11:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2024-10-31 22:11:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2024-10-31 22:11:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2024-10-31 22:11:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2024-10-31 22:11:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2024-10-31 22:11:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2024-10-31 22:11:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2024-10-31 22:11:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2024-10-31 22:11:05,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2024-10-31 22:11:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2024-10-31 22:11:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2024-10-31 22:11:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2024-10-31 22:11:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2024-10-31 22:11:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2024-10-31 22:11:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2024-10-31 22:11:05,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2024-10-31 22:11:05,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:11:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 22:11:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 22:11:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 22:11:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 22:11:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 22:11:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 22:11:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 22:11:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-31 22:11:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-31 22:11:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-31 22:11:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-31 22:11:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-31 22:11:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-31 22:11:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-31 22:11:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-31 22:11:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-31 22:11:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-31 22:11:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-31 22:11:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-10-31 22:11:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-10-31 22:11:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-10-31 22:11:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-10-31 22:11:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-10-31 22:11:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:11:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:11:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:11:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:11:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:11:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:11:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:11:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:11:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:11:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:11:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:11:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:11:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:11:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 22:11:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 22:11:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-31 22:11:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-31 22:11:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-31 22:11:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-31 22:11:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-31 22:11:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-10-31 22:11:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:11:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:11:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:11:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:11:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:11:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:11:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:11:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:11:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:11:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:11:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:11:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:11:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:11:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:11:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:11:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 22:11:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 22:11:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 22:11:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 22:11:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-31 22:11:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-31 22:11:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:11:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:11:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:11:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:11:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:11:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:11:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:11:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:11:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:11:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:11:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:11:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:11:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:11:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:11:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:11:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:11:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 22:11:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 22:11:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 22:11:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 22:11:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-31 22:11:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-31 22:11:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-10-31 22:11:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-10-31 22:11:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-10-31 22:11:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-10-31 22:11:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-10-31 22:11:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-10-31 22:11:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-10-31 22:11:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-10-31 22:11:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-10-31 22:11:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-10-31 22:11:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-10-31 22:11:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-10-31 22:11:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-10-31 22:11:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-10-31 22:11:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-10-31 22:11:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-10-31 22:11:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-10-31 22:11:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-10-31 22:11:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-10-31 22:11:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-10-31 22:11:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-10-31 22:11:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-10-31 22:11:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-10-31 22:11:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-10-31 22:11:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-10-31 22:11:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-10-31 22:11:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-10-31 22:11:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-10-31 22:11:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-10-31 22:11:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-10-31 22:11:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-10-31 22:11:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-10-31 22:11:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-10-31 22:11:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-10-31 22:11:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2024-10-31 22:11:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2024-10-31 22:11:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 22:11:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 22:11:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 22:11:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 22:11:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 22:11:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 22:11:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 22:11:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-31 22:11:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-31 22:11:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-31 22:11:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-31 22:11:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-31 22:11:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-31 22:11:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-31 22:11:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-31 22:11:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-31 22:11:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-31 22:11:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-31 22:11:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-10-31 22:11:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-10-31 22:11:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-10-31 22:11:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:11:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:11:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:11:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:11:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-10-31 22:11:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 22:11:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 22:11:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 22:11:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-31 22:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-31 22:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-31 22:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-31 22:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-31 22:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-31 22:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-31 22:11:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-31 22:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-31 22:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-31 22:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-31 22:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-31 22:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-31 22:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-31 22:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-31 22:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-10-31 22:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-10-31 22:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-10-31 22:11:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 22:11:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 22:11:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 22:11:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-31 22:11:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-31 22:11:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-31 22:11:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-31 22:11:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-31 22:11:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-31 22:11:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-31 22:11:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-31 22:11:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-31 22:11:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-31 22:11:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-31 22:11:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-31 22:11:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-31 22:11:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-31 22:11:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-31 22:11:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-10-31 22:11:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-10-31 22:11:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-10-31 22:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:11:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 22:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 22:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 22:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-31 22:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-31 22:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-31 22:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:11:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:11:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:11:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:11:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:11:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:11:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:11:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 22:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 22:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 22:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 22:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-31 22:11:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-31 22:11:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-10-31 22:11:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-10-31 22:11:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:11:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:11:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:11:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:11:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:11:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:11:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:11:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:11:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:11:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 22:11:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 22:11:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-31 22:11:06,549 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:06,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:13,305 INFO L? ?]: Removed 867 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:13,306 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:13,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:13,333 INFO L316 CfgBuilder]: Removed 50 assume(true) statements. [2024-10-31 22:11:13,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:13 BoogieIcfgContainer [2024-10-31 22:11:13,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:13,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:13,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:13,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:13,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:02" (1/3) ... [2024-10-31 22:11:13,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d202f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:13, skipping insertion in model container [2024-10-31 22:11:13,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:04" (2/3) ... [2024-10-31 22:11:13,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d202f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:13, skipping insertion in model container [2024-10-31 22:11:13,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:13" (3/3) ... [2024-10-31 22:11:13,346 INFO L112 eAbstractionObserver]: Analyzing ICFG readlink-1.i [2024-10-31 22:11:13,365 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:13,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2024-10-31 22:11:13,447 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:13,454 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;@3140947b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:13,454 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-10-31 22:11:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 566 states, 455 states have (on average 1.6637362637362638) internal successors, (757), 531 states have internal predecessors, (757), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-31 22:11:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:11:13,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:13,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:11:13,471 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:13,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:13,477 INFO L85 PathProgramCache]: Analyzing trace with hash 27276869, now seen corresponding path program 1 times [2024-10-31 22:11:13,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:13,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742740694] [2024-10-31 22:11:13,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:13,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:14,699 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 22:11:14,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:14,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742740694] [2024-10-31 22:11:14,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742740694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:14,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:14,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:14,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4701284] [2024-10-31 22:11:14,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:14,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:14,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:14,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:14,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:14,736 INFO L87 Difference]: Start difference. First operand has 566 states, 455 states have (on average 1.6637362637362638) internal successors, (757), 531 states have internal predecessors, (757), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:14,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:14,884 INFO L93 Difference]: Finished difference Result 1106 states and 1595 transitions. [2024-10-31 22:11:14,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:14,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-31 22:11:14,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:14,910 INFO L225 Difference]: With dead ends: 1106 [2024-10-31 22:11:14,910 INFO L226 Difference]: Without dead ends: 540 [2024-10-31 22:11:14,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:14,919 INFO L432 NwaCegarLoop]: 728 mSDtfsCounter, 1 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:14,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1450 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:14,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-31 22:11:14,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-10-31 22:11:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 434 states have (on average 1.5829493087557605) internal successors, (687), 510 states have internal predecessors, (687), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 729 transitions. [2024-10-31 22:11:14,992 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 729 transitions. Word has length 4 [2024-10-31 22:11:14,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:14,992 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 729 transitions. [2024-10-31 22:11:14,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 729 transitions. [2024-10-31 22:11:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:11:14,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:14,993 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-31 22:11:14,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:11:14,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:14,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:14,995 INFO L85 PathProgramCache]: Analyzing trace with hash 857279971, now seen corresponding path program 1 times [2024-10-31 22:11:14,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:14,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748908027] [2024-10-31 22:11:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:15,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:15,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748908027] [2024-10-31 22:11:15,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748908027] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:15,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621137869] [2024-10-31 22:11:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:15,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:15,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:15,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:15,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:11:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:16,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:11:16,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:16,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:16,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:11:16,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621137869] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:16,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:11:16,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 22:11:16,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544285287] [2024-10-31 22:11:16,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:16,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:11:16,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:17,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:11:17,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:11:17,001 INFO L87 Difference]: Start difference. First operand 540 states and 729 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:17,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:17,086 INFO L93 Difference]: Finished difference Result 540 states and 729 transitions. [2024-10-31 22:11:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:11:17,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 22:11:17,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:17,090 INFO L225 Difference]: With dead ends: 540 [2024-10-31 22:11:17,091 INFO L226 Difference]: Without dead ends: 539 [2024-10-31 22:11:17,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 22:11:17,097 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 1 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:17,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1438 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-10-31 22:11:17,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2024-10-31 22:11:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 434 states have (on average 1.5806451612903225) internal successors, (686), 509 states have internal predecessors, (686), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 728 transitions. [2024-10-31 22:11:17,155 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 728 transitions. Word has length 7 [2024-10-31 22:11:17,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:17,156 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 728 transitions. [2024-10-31 22:11:17,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 728 transitions. [2024-10-31 22:11:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:11:17,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:17,157 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-31 22:11:17,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:11:17,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:17,363 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:17,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash 805876226, now seen corresponding path program 1 times [2024-10-31 22:11:17,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:17,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131723792] [2024-10-31 22:11:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:11:18,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:18,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131723792] [2024-10-31 22:11:18,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131723792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:18,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:18,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:18,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128949828] [2024-10-31 22:11:18,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:18,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:18,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:18,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:18,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:18,081 INFO L87 Difference]: Start difference. First operand 539 states and 728 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:18,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:18,119 INFO L93 Difference]: Finished difference Result 539 states and 728 transitions. [2024-10-31 22:11:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:18,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-31 22:11:18,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:18,123 INFO L225 Difference]: With dead ends: 539 [2024-10-31 22:11:18,123 INFO L226 Difference]: Without dead ends: 538 [2024-10-31 22:11:18,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:18,125 INFO L432 NwaCegarLoop]: 721 mSDtfsCounter, 0 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:18,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1439 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-31 22:11:18,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 536. [2024-10-31 22:11:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 432 states have (on average 1.5810185185185186) internal successors, (683), 506 states have internal predecessors, (683), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 725 transitions. [2024-10-31 22:11:18,143 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 725 transitions. Word has length 8 [2024-10-31 22:11:18,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:18,144 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 725 transitions. [2024-10-31 22:11:18,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:11:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 725 transitions. [2024-10-31 22:11:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:11:18,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:18,145 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:18,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:11:18,146 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:18,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:18,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1672890302, now seen corresponding path program 1 times [2024-10-31 22:11:18,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:18,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207147457] [2024-10-31 22:11:18,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:18,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:11:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:18,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:18,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207147457] [2024-10-31 22:11:18,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207147457] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:18,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861342163] [2024-10-31 22:11:18,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:18,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:18,927 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:18,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:11:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:19,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:11:19,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:11:19,981 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:11:19,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861342163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:19,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:11:19,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:11:19,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165722842] [2024-10-31 22:11:19,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:19,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:19,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:19,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:19,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:11:19,985 INFO L87 Difference]: Start difference. First operand 536 states and 725 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:20,085 INFO L93 Difference]: Finished difference Result 536 states and 725 transitions. [2024-10-31 22:11:20,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:20,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-10-31 22:11:20,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:20,091 INFO L225 Difference]: With dead ends: 536 [2024-10-31 22:11:20,093 INFO L226 Difference]: Without dead ends: 534 [2024-10-31 22:11:20,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:11:20,094 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 522 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:20,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 896 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:20,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-10-31 22:11:20,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 534. [2024-10-31 22:11:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 432 states have (on average 1.5763888888888888) internal successors, (681), 504 states have internal predecessors, (681), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 723 transitions. [2024-10-31 22:11:20,118 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 723 transitions. Word has length 13 [2024-10-31 22:11:20,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:20,119 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 723 transitions. [2024-10-31 22:11:20,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 723 transitions. [2024-10-31 22:11:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:11:20,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:20,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:20,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:11:20,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:20,324 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:20,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:20,325 INFO L85 PathProgramCache]: Analyzing trace with hash -319990900, now seen corresponding path program 1 times [2024-10-31 22:11:20,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:20,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864783485] [2024-10-31 22:11:20,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:20,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:20,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:11:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:20,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:20,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864783485] [2024-10-31 22:11:20,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864783485] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:20,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212120685] [2024-10-31 22:11:20,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:20,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:20,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:20,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:20,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:11:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:22,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:11:22,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:22,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:22,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212120685] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:22,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:22,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 22:11:22,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109019624] [2024-10-31 22:11:22,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:22,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:11:22,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:22,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:11:22,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:11:22,162 INFO L87 Difference]: Start difference. First operand 534 states and 723 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:11:22,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:22,269 INFO L93 Difference]: Finished difference Result 1071 states and 1451 transitions. [2024-10-31 22:11:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:11:22,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-31 22:11:22,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:22,273 INFO L225 Difference]: With dead ends: 1071 [2024-10-31 22:11:22,273 INFO L226 Difference]: Without dead ends: 543 [2024-10-31 22:11:22,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:11:22,276 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 4 mSDsluCounter, 2148 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2867 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:22,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2867 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:22,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-10-31 22:11:22,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 543. [2024-10-31 22:11:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 441 states have (on average 1.564625850340136) internal successors, (690), 513 states have internal predecessors, (690), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:22,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 732 transitions. [2024-10-31 22:11:22,295 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 732 transitions. Word has length 14 [2024-10-31 22:11:22,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:22,296 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 732 transitions. [2024-10-31 22:11:22,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:11:22,296 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 732 transitions. [2024-10-31 22:11:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:11:22,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:22,297 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:22,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:11:22,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:22,498 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:22,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:22,499 INFO L85 PathProgramCache]: Analyzing trace with hash -265514390, now seen corresponding path program 2 times [2024-10-31 22:11:22,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:22,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926364532] [2024-10-31 22:11:22,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:22,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:11:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:11:23,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:23,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926364532] [2024-10-31 22:11:23,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926364532] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:23,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570943644] [2024-10-31 22:11:23,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:11:23,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:23,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:23,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:23,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:11:24,423 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:11:24,424 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:11:24,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:11:24,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:11:24,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:11:24,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570943644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:24,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:11:24,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-31 22:11:24,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357679524] [2024-10-31 22:11:24,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:24,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:11:24,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:24,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:11:24,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:11:24,531 INFO L87 Difference]: Start difference. First operand 543 states and 732 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:24,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:24,708 INFO L93 Difference]: Finished difference Result 543 states and 732 transitions. [2024-10-31 22:11:24,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:11:24,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-31 22:11:24,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:24,712 INFO L225 Difference]: With dead ends: 543 [2024-10-31 22:11:24,715 INFO L226 Difference]: Without dead ends: 541 [2024-10-31 22:11:24,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:11:24,716 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 521 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:24,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 2287 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:11:24,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-10-31 22:11:24,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2024-10-31 22:11:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 441 states have (on average 1.560090702947846) internal successors, (688), 511 states have internal predecessors, (688), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 730 transitions. [2024-10-31 22:11:24,741 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 730 transitions. Word has length 23 [2024-10-31 22:11:24,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:24,742 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 730 transitions. [2024-10-31 22:11:24,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:24,742 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 730 transitions. [2024-10-31 22:11:24,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-31 22:11:24,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:24,743 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:24,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:11:24,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:24,944 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:24,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:24,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1470205937, now seen corresponding path program 1 times [2024-10-31 22:11:24,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:24,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984553330] [2024-10-31 22:11:24,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:24,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:25,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:11:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:11:25,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:25,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984553330] [2024-10-31 22:11:25,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984553330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:25,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:25,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:25,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631174965] [2024-10-31 22:11:25,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:25,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:25,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:25,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:25,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:25,582 INFO L87 Difference]: Start difference. First operand 541 states and 730 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:25,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:25,644 INFO L93 Difference]: Finished difference Result 1064 states and 1443 transitions. [2024-10-31 22:11:25,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:25,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-10-31 22:11:25,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:25,649 INFO L225 Difference]: With dead ends: 1064 [2024-10-31 22:11:25,649 INFO L226 Difference]: Without dead ends: 544 [2024-10-31 22:11:25,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:25,655 INFO L432 NwaCegarLoop]: 717 mSDtfsCounter, 1 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:25,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1428 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:25,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-10-31 22:11:25,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-10-31 22:11:25,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 444 states have (on average 1.5563063063063063) internal successors, (691), 514 states have internal predecessors, (691), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 733 transitions. [2024-10-31 22:11:25,683 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 733 transitions. Word has length 28 [2024-10-31 22:11:25,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:25,683 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 733 transitions. [2024-10-31 22:11:25,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 733 transitions. [2024-10-31 22:11:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 22:11:25,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:25,686 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:25,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:11:25,687 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:25,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:25,688 INFO L85 PathProgramCache]: Analyzing trace with hash -177596845, now seen corresponding path program 1 times [2024-10-31 22:11:25,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:25,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184961400] [2024-10-31 22:11:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:25,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:26,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:11:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:11:26,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:26,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184961400] [2024-10-31 22:11:26,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184961400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:26,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:26,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:26,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608177632] [2024-10-31 22:11:26,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:26,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:26,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:26,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:26,387 INFO L87 Difference]: Start difference. First operand 544 states and 733 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:26,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:26,525 INFO L93 Difference]: Finished difference Result 847 states and 1176 transitions. [2024-10-31 22:11:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:26,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-10-31 22:11:26,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:26,530 INFO L225 Difference]: With dead ends: 847 [2024-10-31 22:11:26,531 INFO L226 Difference]: Without dead ends: 845 [2024-10-31 22:11:26,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:26,532 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 417 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:26,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1416 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:11:26,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-31 22:11:26,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 548. [2024-10-31 22:11:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 448 states have (on average 1.5535714285714286) internal successors, (696), 518 states have internal predecessors, (696), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 738 transitions. [2024-10-31 22:11:26,565 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 738 transitions. Word has length 30 [2024-10-31 22:11:26,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:26,565 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 738 transitions. [2024-10-31 22:11:26,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 738 transitions. [2024-10-31 22:11:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-31 22:11:26,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:26,567 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:26,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:11:26,568 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:26,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:26,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1170487143, now seen corresponding path program 1 times [2024-10-31 22:11:26,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:26,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159405002] [2024-10-31 22:11:26,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:26,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:11:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:11:27,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:27,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159405002] [2024-10-31 22:11:27,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159405002] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:11:27,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609970899] [2024-10-31 22:11:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:27,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:27,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:27,280 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:11:27,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:11:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:28,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:11:28,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:11:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:11:28,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:11:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:11:28,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609970899] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:11:28,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:11:28,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-10-31 22:11:28,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67961685] [2024-10-31 22:11:28,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:11:28,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:11:28,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:28,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:11:28,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:11:28,757 INFO L87 Difference]: Start difference. First operand 548 states and 738 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:11:29,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:29,085 INFO L93 Difference]: Finished difference Result 1098 states and 1484 transitions. [2024-10-31 22:11:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:11:29,086 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-31 22:11:29,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:29,089 INFO L225 Difference]: With dead ends: 1098 [2024-10-31 22:11:29,089 INFO L226 Difference]: Without dead ends: 565 [2024-10-31 22:11:29,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:11:29,091 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 5 mSDsluCounter, 4248 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4959 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:29,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4959 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:11:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-31 22:11:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-10-31 22:11:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 466 states have (on average 1.5300429184549356) internal successors, (713), 535 states have internal predecessors, (713), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 755 transitions. [2024-10-31 22:11:29,112 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 755 transitions. Word has length 31 [2024-10-31 22:11:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:29,113 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 755 transitions. [2024-10-31 22:11:29,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:11:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 755 transitions. [2024-10-31 22:11:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:11:29,114 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:29,115 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:29,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:11:29,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6835fe87-ca10-4371-b870-7b57035e7a13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:11:29,319 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:29,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash -560451283, now seen corresponding path program 1 times [2024-10-31 22:11:29,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:29,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885472249] [2024-10-31 22:11:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:11:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-31 22:11:29,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:29,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885472249] [2024-10-31 22:11:29,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885472249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:29,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:29,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:11:29,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088155297] [2024-10-31 22:11:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:29,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:11:29,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:29,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:11:29,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:29,934 INFO L87 Difference]: Start difference. First operand 565 states and 755 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:29,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:11:30,000 INFO L93 Difference]: Finished difference Result 578 states and 770 transitions. [2024-10-31 22:11:30,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:11:30,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2024-10-31 22:11:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:11:30,003 INFO L225 Difference]: With dead ends: 578 [2024-10-31 22:11:30,004 INFO L226 Difference]: Without dead ends: 576 [2024-10-31 22:11:30,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:11:30,005 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 2 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:11:30,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1423 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:11:30,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-10-31 22:11:30,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 575. [2024-10-31 22:11:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 476 states have (on average 1.5252100840336134) internal successors, (726), 545 states have internal predecessors, (726), 24 states have call successors, (24), 11 states have call predecessors, (24), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:11:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 768 transitions. [2024-10-31 22:11:30,025 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 768 transitions. Word has length 50 [2024-10-31 22:11:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:11:30,025 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 768 transitions. [2024-10-31 22:11:30,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:11:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 768 transitions. [2024-10-31 22:11:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:11:30,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:30,027 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:30,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:11:30,027 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 71 more)] === [2024-10-31 22:11:30,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:30,028 INFO L85 PathProgramCache]: Analyzing trace with hash -560449554, now seen corresponding path program 1 times [2024-10-31 22:11:30,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:30,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865633729] [2024-10-31 22:11:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:30,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat