./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/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_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC --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 990b71a8318a9381d9db0e6d81697b685ad4c408107fd3f1c2acfe3caabf2a23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:04:50,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:04:50,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 00:04:50,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:04:50,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:04:50,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:04:50,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:04:50,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:04:50,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:04:50,803 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:04:50,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:04:50,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:04:50,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:04:50,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:04:50,804 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:04:50,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:04:50,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:04:50,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:04:50,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:04:50,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:04:50,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:04:50,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:04:50,805 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 00:04:50,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:04:50,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:04:50,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:04:50,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:04:50,806 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:04:50,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:04:50,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:04:50,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:04:50,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:50,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:04:50,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:04:50,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:04:50,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:04:50,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:50,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:04:50,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:04:50,808 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC 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 -> 990b71a8318a9381d9db0e6d81697b685ad4c408107fd3f1c2acfe3caabf2a23 [2024-11-24 00:04:51,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:04:51,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:04:51,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:04:51,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:04:51,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:04:51,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2024-11-24 00:04:54,381 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/data/e773bc82e/545cb96692644974ade372a166ace337/FLAG0ada9c0ae [2024-11-24 00:04:55,044 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:04:55,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2024-11-24 00:04:55,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/data/e773bc82e/545cb96692644974ade372a166ace337/FLAG0ada9c0ae [2024-11-24 00:04:55,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/data/e773bc82e/545cb96692644974ade372a166ace337 [2024-11-24 00:04:55,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:04:55,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:04:55,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:04:55,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:04:55,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:04:55,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:55" (1/1) ... [2024-11-24 00:04:55,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4c900d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:55, skipping insertion in model container [2024-11-24 00:04:55,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:55" (1/1) ... [2024-11-24 00:04:55,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:04:56,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:04:56,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:04:56,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:04:57,224 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-24 00:04:57,232 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:04:57,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57 WrapperNode [2024-11-24 00:04:57,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:04:57,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:04:57,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:04:57,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:04:57,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,431 INFO L138 Inliner]: procedures = 575, calls = 732, calls flagged for inlining = 29, calls inlined = 27, statements flattened = 1955 [2024-11-24 00:04:57,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:04:57,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:04:57,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:04:57,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:04:57,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,602 INFO L175 MemorySlicer]: Split 616 memory accesses to 22 slices as follows [2, 3, 3, 38, 4, 3, 4, 44, 15, 29, 9, 3, 17, 17, 3, 15, 355, 23, 2, 7, 17, 3]. 58 percent of accesses are in the largest equivalence class. The 384 initializations are split as follows [2, 0, 3, 9, 0, 3, 4, 0, 0, 2, 1, 0, 0, 4, 0, 0, 355, 0, 0, 0, 1, 0]. The 98 writes are split as follows [0, 0, 0, 0, 4, 0, 0, 12, 1, 19, 4, 0, 17, 4, 0, 3, 0, 11, 1, 7, 15, 0]. [2024-11-24 00:04:57,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:04:57,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:04:57,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:04:57,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:04:57,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (1/1) ... [2024-11-24 00:04:57,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:57,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:57,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:04:57,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:04:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2024-11-24 00:04:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2024-11-24 00:04:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2024-11-24 00:04:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2024-11-24 00:04:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2024-11-24 00:04:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2024-11-24 00:04:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2024-11-24 00:04:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2024-11-24 00:04:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2024-11-24 00:04:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2024-11-24 00:04:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2024-11-24 00:04:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2024-11-24 00:04:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2024-11-24 00:04:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2024-11-24 00:04:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2024-11-24 00:04:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2024-11-24 00:04:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2024-11-24 00:04:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2024-11-24 00:04:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2024-11-24 00:04:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2024-11-24 00:04:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2024-11-24 00:04:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2024-11-24 00:04:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2024-11-24 00:04:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2024-11-24 00:04:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2024-11-24 00:04:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:04:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:04:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:04:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:04:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 00:04:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 00:04:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 00:04:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 00:04:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 00:04:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 00:04:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-24 00:04:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-24 00:04:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-24 00:04:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-24 00:04:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-24 00:04:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:04:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:04:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:04:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:04:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:04:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:04:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:04:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:04:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:04:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:04:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:04:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:04:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:04:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-24 00:04:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-24 00:04:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-24 00:04:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-24 00:04:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-24 00:04:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-24 00:04:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-24 00:04:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-24 00:04:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-24 00:04:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-24 00:04:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-24 00:04:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-24 00:04:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-24 00:04:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2024-11-24 00:04:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:04:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-24 00:04:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:04:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 00:04:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 00:04:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 00:04:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 00:04:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 00:04:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 00:04:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 00:04:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-24 00:04:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-24 00:04:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 00:04:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 00:04:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 00:04:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 00:04:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 00:04:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 00:04:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 00:04:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-24 00:04:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-24 00:04:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-24 00:04:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-24 00:04:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:04:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:04:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:04:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:04:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:04:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:04:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 00:04:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:04:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:04:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:04:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:04:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:04:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:04:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-11-24 00:04:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:04:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:04:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:04:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:04:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 00:04:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 00:04:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 00:04:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 00:04:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 00:04:58,934 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:04:58,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:05:06,154 INFO L? ?]: Removed 857 outVars from TransFormulas that were not future-live. [2024-11-24 00:05:06,154 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:05:06,179 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:05:06,180 INFO L312 CfgBuilder]: Removed 55 assume(true) statements. [2024-11-24 00:05:06,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:05:06 BoogieIcfgContainer [2024-11-24 00:05:06,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:05:06,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:05:06,182 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:05:06,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:05:06,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:04:55" (1/3) ... [2024-11-24 00:05:06,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4793b4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:05:06, skipping insertion in model container [2024-11-24 00:05:06,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:57" (2/3) ... [2024-11-24 00:05:06,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4793b4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:05:06, skipping insertion in model container [2024-11-24 00:05:06,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:05:06" (3/3) ... [2024-11-24 00:05:06,190 INFO L128 eAbstractionObserver]: Analyzing ICFG readlink-1.i [2024-11-24 00:05:06,206 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:05:06,209 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG readlink-1.i that has 71 procedures, 794 locations, 1 initial locations, 74 loop locations, and 73 error locations. [2024-11-24 00:05:06,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:05:06,297 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;@5c664de8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:05:06,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2024-11-24 00:05:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 558 states, 450 states have (on average 1.6533333333333333) internal successors, (744), 525 states have internal predecessors, (744), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-24 00:05:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 00:05:06,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:06,312 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-24 00:05:06,313 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:06,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:06,319 INFO L85 PathProgramCache]: Analyzing trace with hash 827450091, now seen corresponding path program 1 times [2024-11-24 00:05:06,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:06,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734654007] [2024-11-24 00:05:06,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:06,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:05:07,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:07,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734654007] [2024-11-24 00:05:07,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734654007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:07,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:07,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:05:07,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802286122] [2024-11-24 00:05:07,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:07,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:07,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:07,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:07,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:07,703 INFO L87 Difference]: Start difference. First operand has 558 states, 450 states have (on average 1.6533333333333333) internal successors, (744), 525 states have internal predecessors, (744), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:05:07,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:07,884 INFO L93 Difference]: Finished difference Result 1005 states and 1454 transitions. [2024-11-24 00:05:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:07,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-24 00:05:07,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:07,902 INFO L225 Difference]: With dead ends: 1005 [2024-11-24 00:05:07,902 INFO L226 Difference]: Without dead ends: 448 [2024-11-24 00:05:07,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:07,911 INFO L435 NwaCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:07,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1216 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:05:07,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-24 00:05:07,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-11-24 00:05:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 376 states have (on average 1.553191489361702) internal successors, (584), 426 states have internal predecessors, (584), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 614 transitions. [2024-11-24 00:05:07,983 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 614 transitions. Word has length 5 [2024-11-24 00:05:07,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:07,984 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 614 transitions. [2024-11-24 00:05:07,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:05:07,984 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 614 transitions. [2024-11-24 00:05:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 00:05:07,984 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:07,984 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-24 00:05:07,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:05:07,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:07,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1608574043, now seen corresponding path program 1 times [2024-11-24 00:05:07,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:07,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032617045] [2024-11-24 00:05:07,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:05:08,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:08,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032617045] [2024-11-24 00:05:08,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032617045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:08,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404758568] [2024-11-24 00:05:08,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:08,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:08,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:08,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:08,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:05:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:10,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:05:10,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:05:10,128 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:10,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404758568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:10,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:10,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-24 00:05:10,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115012162] [2024-11-24 00:05:10,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:10,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:05:10,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:10,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:05:10,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:10,131 INFO L87 Difference]: Start difference. First operand 448 states and 614 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:05:10,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:10,216 INFO L93 Difference]: Finished difference Result 448 states and 614 transitions. [2024-11-24 00:05:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:05:10,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-24 00:05:10,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:10,219 INFO L225 Difference]: With dead ends: 448 [2024-11-24 00:05:10,219 INFO L226 Difference]: Without dead ends: 447 [2024-11-24 00:05:10,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:10,221 INFO L435 NwaCegarLoop]: 603 mSDtfsCounter, 1 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:10,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1805 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:10,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-24 00:05:10,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2024-11-24 00:05:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 376 states have (on average 1.550531914893617) internal successors, (583), 425 states have internal predecessors, (583), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 613 transitions. [2024-11-24 00:05:10,254 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 613 transitions. Word has length 9 [2024-11-24 00:05:10,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:10,254 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 613 transitions. [2024-11-24 00:05:10,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:05:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 613 transitions. [2024-11-24 00:05:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 00:05:10,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:10,255 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-24 00:05:10,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:05:10,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-24 00:05:10,456 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:10,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:10,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1673813102, now seen corresponding path program 1 times [2024-11-24 00:05:10,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:10,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42671429] [2024-11-24 00:05:10,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:10,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 00:05:11,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:11,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42671429] [2024-11-24 00:05:11,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42671429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:11,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:11,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:05:11,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948919819] [2024-11-24 00:05:11,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:11,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:11,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:11,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:11,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:11,248 INFO L87 Difference]: Start difference. First operand 447 states and 613 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:05:11,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:11,300 INFO L93 Difference]: Finished difference Result 447 states and 613 transitions. [2024-11-24 00:05:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:11,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-24 00:05:11,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:11,305 INFO L225 Difference]: With dead ends: 447 [2024-11-24 00:05:11,305 INFO L226 Difference]: Without dead ends: 446 [2024-11-24 00:05:11,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:11,308 INFO L435 NwaCegarLoop]: 604 mSDtfsCounter, 0 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:11,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1205 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:05:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-24 00:05:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 443. [2024-11-24 00:05:11,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 373 states have (on average 1.552278820375335) internal successors, (579), 421 states have internal predecessors, (579), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 609 transitions. [2024-11-24 00:05:11,345 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 609 transitions. Word has length 10 [2024-11-24 00:05:11,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:11,349 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 609 transitions. [2024-11-24 00:05:11,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:05:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 609 transitions. [2024-11-24 00:05:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 00:05:11,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:11,350 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:11,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:05:11,350 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:11,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:11,351 INFO L85 PathProgramCache]: Analyzing trace with hash 459443769, now seen corresponding path program 1 times [2024-11-24 00:05:11,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:11,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590366787] [2024-11-24 00:05:11,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:11,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:05:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:12,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590366787] [2024-11-24 00:05:12,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590366787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:12,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175221719] [2024-11-24 00:05:12,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:12,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:12,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:12,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:12,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:05:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:13,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:05:13,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 00:05:13,178 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:13,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175221719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:13,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:13,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:05:13,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280256771] [2024-11-24 00:05:13,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:13,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:13,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:13,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:13,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:13,181 INFO L87 Difference]: Start difference. First operand 443 states and 609 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2024-11-24 00:05:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:13,251 INFO L93 Difference]: Finished difference Result 443 states and 609 transitions. [2024-11-24 00:05:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:13,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 14 [2024-11-24 00:05:13,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:13,255 INFO L225 Difference]: With dead ends: 443 [2024-11-24 00:05:13,255 INFO L226 Difference]: Without dead ends: 441 [2024-11-24 00:05:13,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:13,257 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 527 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 659 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 [2024-11-24 00:05:13,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 659 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:05:13,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-24 00:05:13,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-24 00:05:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 373 states have (on average 1.5469168900804289) internal successors, (577), 419 states have internal predecessors, (577), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 607 transitions. [2024-11-24 00:05:13,288 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 607 transitions. Word has length 14 [2024-11-24 00:05:13,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:13,289 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 607 transitions. [2024-11-24 00:05:13,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2024-11-24 00:05:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 607 transitions. [2024-11-24 00:05:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 00:05:13,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:13,291 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:13,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:13,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:13,491 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:13,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:13,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1357855843, now seen corresponding path program 1 times [2024-11-24 00:05:13,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:13,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411511135] [2024-11-24 00:05:13,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:13,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:05:14,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:14,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411511135] [2024-11-24 00:05:14,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411511135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:14,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324559510] [2024-11-24 00:05:14,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:14,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:14,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:14,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:14,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:05:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:15,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:05:15,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:05:15,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:05:15,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324559510] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:15,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:05:15,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 00:05:15,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150288214] [2024-11-24 00:05:15,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:15,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:05:15,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:15,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:05:15,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:05:15,166 INFO L87 Difference]: Start difference. First operand 441 states and 607 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-11-24 00:05:15,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:15,289 INFO L93 Difference]: Finished difference Result 887 states and 1221 transitions. [2024-11-24 00:05:15,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:15,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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 15 [2024-11-24 00:05:15,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:15,293 INFO L225 Difference]: With dead ends: 887 [2024-11-24 00:05:15,293 INFO L226 Difference]: Without dead ends: 453 [2024-11-24 00:05:15,294 INFO L434 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 [2024-11-24 00:05:15,297 INFO L435 NwaCegarLoop]: 602 mSDtfsCounter, 6 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:15,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2399 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:15,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-24 00:05:15,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2024-11-24 00:05:15,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 385 states have (on average 1.5298701298701298) internal successors, (589), 431 states have internal predecessors, (589), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 619 transitions. [2024-11-24 00:05:15,326 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 619 transitions. Word has length 15 [2024-11-24 00:05:15,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:15,327 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 619 transitions. [2024-11-24 00:05:15,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-11-24 00:05:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 619 transitions. [2024-11-24 00:05:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 00:05:15,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:15,328 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:15,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:15,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:15,532 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:15,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:15,533 INFO L85 PathProgramCache]: Analyzing trace with hash -835650031, now seen corresponding path program 2 times [2024-11-24 00:05:15,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:15,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54152049] [2024-11-24 00:05:15,537 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:05:15,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:15,942 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 00:05:15,943 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:05:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 00:05:16,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:16,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54152049] [2024-11-24 00:05:16,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54152049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:16,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:16,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:05:16,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352608518] [2024-11-24 00:05:16,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:16,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:05:16,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:16,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:05:16,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:16,445 INFO L87 Difference]: Start difference. First operand 453 states and 619 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-24 00:05:16,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:16,611 INFO L93 Difference]: Finished difference Result 453 states and 619 transitions. [2024-11-24 00:05:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:05:16,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 27 [2024-11-24 00:05:16,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:16,615 INFO L225 Difference]: With dead ends: 453 [2024-11-24 00:05:16,615 INFO L226 Difference]: Without dead ends: 451 [2024-11-24 00:05:16,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:16,616 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 526 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:16,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1824 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-24 00:05:16,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2024-11-24 00:05:16,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 385 states have (on average 1.5246753246753246) internal successors, (587), 429 states have internal predecessors, (587), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 617 transitions. [2024-11-24 00:05:16,637 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 617 transitions. Word has length 27 [2024-11-24 00:05:16,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:16,637 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 617 transitions. [2024-11-24 00:05:16,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-24 00:05:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 617 transitions. [2024-11-24 00:05:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 00:05:16,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:16,638 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:16,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:05:16,639 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:16,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:16,639 INFO L85 PathProgramCache]: Analyzing trace with hash 345166107, now seen corresponding path program 1 times [2024-11-24 00:05:16,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:16,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003771344] [2024-11-24 00:05:16,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:16,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 00:05:17,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:17,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003771344] [2024-11-24 00:05:17,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003771344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:17,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:17,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:05:17,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577630939] [2024-11-24 00:05:17,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:17,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:17,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:17,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:17,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:17,279 INFO L87 Difference]: Start difference. First operand 451 states and 617 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-24 00:05:17,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:17,374 INFO L93 Difference]: Finished difference Result 881 states and 1214 transitions. [2024-11-24 00:05:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:17,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 34 [2024-11-24 00:05:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:17,378 INFO L225 Difference]: With dead ends: 881 [2024-11-24 00:05:17,378 INFO L226 Difference]: Without dead ends: 455 [2024-11-24 00:05:17,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:17,382 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 1 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:17,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1194 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:05:17,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-24 00:05:17,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2024-11-24 00:05:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 389 states have (on average 1.519280205655527) internal successors, (591), 433 states have internal predecessors, (591), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 621 transitions. [2024-11-24 00:05:17,418 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 621 transitions. Word has length 34 [2024-11-24 00:05:17,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:17,418 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 621 transitions. [2024-11-24 00:05:17,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-24 00:05:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 621 transitions. [2024-11-24 00:05:17,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 00:05:17,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:17,419 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:17,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:05:17,420 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:17,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:17,423 INFO L85 PathProgramCache]: Analyzing trace with hash 347811518, now seen corresponding path program 1 times [2024-11-24 00:05:17,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:17,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25120116] [2024-11-24 00:05:17,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:17,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 00:05:18,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:18,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25120116] [2024-11-24 00:05:18,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25120116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:18,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:18,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:05:18,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410704615] [2024-11-24 00:05:18,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:18,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:18,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:18,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:18,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:18,041 INFO L87 Difference]: Start difference. First operand 455 states and 621 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-24 00:05:18,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:18,124 INFO L93 Difference]: Finished difference Result 760 states and 1066 transitions. [2024-11-24 00:05:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:18,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 34 [2024-11-24 00:05:18,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:18,129 INFO L225 Difference]: With dead ends: 760 [2024-11-24 00:05:18,129 INFO L226 Difference]: Without dead ends: 758 [2024-11-24 00:05:18,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:18,130 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 419 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1184 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 [2024-11-24 00:05:18,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1184 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:18,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-11-24 00:05:18,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 459. [2024-11-24 00:05:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 393 states have (on average 1.5165394402035624) internal successors, (596), 437 states have internal predecessors, (596), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 626 transitions. [2024-11-24 00:05:18,155 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 626 transitions. Word has length 34 [2024-11-24 00:05:18,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:18,155 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 626 transitions. [2024-11-24 00:05:18,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-24 00:05:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 626 transitions. [2024-11-24 00:05:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-24 00:05:18,156 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:18,157 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:18,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:05:18,157 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:18,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:18,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1125611, now seen corresponding path program 1 times [2024-11-24 00:05:18,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:18,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646911707] [2024-11-24 00:05:18,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:18,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 00:05:18,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:18,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646911707] [2024-11-24 00:05:18,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646911707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:18,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643724898] [2024-11-24 00:05:18,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:18,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:18,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:18,826 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:18,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:05:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:19,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:05:19,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 00:05:20,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 00:05:20,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643724898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:20,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:05:20,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-24 00:05:20,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577413081] [2024-11-24 00:05:20,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:20,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:05:20,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:20,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:05:20,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:05:20,402 INFO L87 Difference]: Start difference. First operand 459 states and 626 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 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) [2024-11-24 00:05:20,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:20,769 INFO L93 Difference]: Finished difference Result 922 states and 1262 transitions. [2024-11-24 00:05:20,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:05:20,770 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 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 38 [2024-11-24 00:05:20,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:20,773 INFO L225 Difference]: With dead ends: 922 [2024-11-24 00:05:20,773 INFO L226 Difference]: Without dead ends: 482 [2024-11-24 00:05:20,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:05:20,775 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 7 mSDsluCounter, 2950 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:20,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3543 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:05:20,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-24 00:05:20,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2024-11-24 00:05:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 417 states have (on average 1.484412470023981) internal successors, (619), 460 states have internal predecessors, (619), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 649 transitions. [2024-11-24 00:05:20,801 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 649 transitions. Word has length 38 [2024-11-24 00:05:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:20,801 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 649 transitions. [2024-11-24 00:05:20,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 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) [2024-11-24 00:05:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 649 transitions. [2024-11-24 00:05:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 00:05:20,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:20,803 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:20,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:05:21,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:21,004 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:21,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:21,005 INFO L85 PathProgramCache]: Analyzing trace with hash -18217541, now seen corresponding path program 1 times [2024-11-24 00:05:21,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:21,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971278664] [2024-11-24 00:05:21,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:21,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:21,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:21,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971278664] [2024-11-24 00:05:21,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971278664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:21,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260173672] [2024-11-24 00:05:21,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:21,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:21,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:21,660 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:21,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:05:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:22,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:05:22,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-24 00:05:22,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:22,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260173672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:22,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:22,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:05:22,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818381540] [2024-11-24 00:05:22,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:22,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:22,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:22,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:22,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:22,979 INFO L87 Difference]: Start difference. First operand 482 states and 649 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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) [2024-11-24 00:05:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:23,039 INFO L93 Difference]: Finished difference Result 482 states and 649 transitions. [2024-11-24 00:05:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:23,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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 62 [2024-11-24 00:05:23,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:23,043 INFO L225 Difference]: With dead ends: 482 [2024-11-24 00:05:23,045 INFO L226 Difference]: Without dead ends: 481 [2024-11-24 00:05:23,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:23,047 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 2 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:23,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1181 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:05:23,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-24 00:05:23,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2024-11-24 00:05:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 417 states have (on average 1.4820143884892085) internal successors, (618), 459 states have internal predecessors, (618), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:23,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 648 transitions. [2024-11-24 00:05:23,075 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 648 transitions. Word has length 62 [2024-11-24 00:05:23,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:23,076 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 648 transitions. [2024-11-24 00:05:23,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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) [2024-11-24 00:05:23,076 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 648 transitions. [2024-11-24 00:05:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 00:05:23,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:23,080 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:23,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 00:05:23,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:23,281 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:23,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:23,282 INFO L85 PathProgramCache]: Analyzing trace with hash -761200643, now seen corresponding path program 1 times [2024-11-24 00:05:23,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:23,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481868727] [2024-11-24 00:05:23,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:23,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:23,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:23,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481868727] [2024-11-24 00:05:23,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481868727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:23,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198013483] [2024-11-24 00:05:23,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:23,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:23,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:23,839 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:23,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 00:05:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:25,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 1640 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:05:25,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:25,214 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:25,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198013483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:25,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:25,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-24 00:05:25,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708956778] [2024-11-24 00:05:25,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:25,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:05:25,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:25,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:05:25,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:25,216 INFO L87 Difference]: Start difference. First operand 481 states and 648 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-24 00:05:25,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:25,391 INFO L93 Difference]: Finished difference Result 784 states and 1091 transitions. [2024-11-24 00:05:25,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:05:25,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 62 [2024-11-24 00:05:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:25,396 INFO L225 Difference]: With dead ends: 784 [2024-11-24 00:05:25,397 INFO L226 Difference]: Without dead ends: 783 [2024-11-24 00:05:25,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:25,398 INFO L435 NwaCegarLoop]: 1027 mSDtfsCounter, 837 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:25,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 1792 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:25,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2024-11-24 00:05:25,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 480. [2024-11-24 00:05:25,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 417 states have (on average 1.4796163069544364) internal successors, (617), 458 states have internal predecessors, (617), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 647 transitions. [2024-11-24 00:05:25,424 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 647 transitions. Word has length 62 [2024-11-24 00:05:25,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:25,424 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 647 transitions. [2024-11-24 00:05:25,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-24 00:05:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 647 transitions. [2024-11-24 00:05:25,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-24 00:05:25,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:25,426 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:25,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 00:05:25,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:25,627 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:25,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:25,628 INFO L85 PathProgramCache]: Analyzing trace with hash -564810369, now seen corresponding path program 1 times [2024-11-24 00:05:25,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:25,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335007895] [2024-11-24 00:05:25,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:25,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-24 00:05:26,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:26,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335007895] [2024-11-24 00:05:26,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335007895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:26,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:26,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:05:26,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269656202] [2024-11-24 00:05:26,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:26,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:26,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:26,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:26,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:26,201 INFO L87 Difference]: Start difference. First operand 480 states and 647 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-24 00:05:26,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:26,291 INFO L93 Difference]: Finished difference Result 480 states and 647 transitions. [2024-11-24 00:05:26,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:26,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 63 [2024-11-24 00:05:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:26,294 INFO L225 Difference]: With dead ends: 480 [2024-11-24 00:05:26,295 INFO L226 Difference]: Without dead ends: 479 [2024-11-24 00:05:26,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:26,296 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 0 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:26,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1188 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:26,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-24 00:05:26,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 476. [2024-11-24 00:05:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 414 states have (on average 1.4806763285024154) internal successors, (613), 454 states have internal predecessors, (613), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 643 transitions. [2024-11-24 00:05:26,321 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 643 transitions. Word has length 63 [2024-11-24 00:05:26,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:26,321 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 643 transitions. [2024-11-24 00:05:26,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-24 00:05:26,322 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 643 transitions. [2024-11-24 00:05:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-24 00:05:26,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:26,324 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:26,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:05:26,325 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:26,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:26,327 INFO L85 PathProgramCache]: Analyzing trace with hash -564742843, now seen corresponding path program 1 times [2024-11-24 00:05:26,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:26,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721539655] [2024-11-24 00:05:26,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:26,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:26,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:26,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721539655] [2024-11-24 00:05:26,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721539655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:26,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072186719] [2024-11-24 00:05:26,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:26,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:26,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:26,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:26,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 00:05:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:28,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 1626 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:05:28,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-24 00:05:28,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:28,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072186719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:28,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:28,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:05:28,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018511357] [2024-11-24 00:05:28,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:28,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:28,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:28,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:28,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:28,228 INFO L87 Difference]: Start difference. First operand 476 states and 643 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-24 00:05:28,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:28,306 INFO L93 Difference]: Finished difference Result 487 states and 656 transitions. [2024-11-24 00:05:28,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:28,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 63 [2024-11-24 00:05:28,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:28,311 INFO L225 Difference]: With dead ends: 487 [2024-11-24 00:05:28,311 INFO L226 Difference]: Without dead ends: 486 [2024-11-24 00:05:28,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:28,314 INFO L435 NwaCegarLoop]: 594 mSDtfsCounter, 0 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:28,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1184 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:28,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-24 00:05:28,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2024-11-24 00:05:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 424 states have (on average 1.474056603773585) internal successors, (625), 464 states have internal predecessors, (625), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 655 transitions. [2024-11-24 00:05:28,340 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 655 transitions. Word has length 63 [2024-11-24 00:05:28,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:28,341 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 655 transitions. [2024-11-24 00:05:28,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-24 00:05:28,341 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 655 transitions. [2024-11-24 00:05:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-24 00:05:28,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:28,342 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:28,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 00:05:28,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-24 00:05:28,543 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:28,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:28,544 INFO L85 PathProgramCache]: Analyzing trace with hash -2122382507, now seen corresponding path program 1 times [2024-11-24 00:05:28,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:28,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353834889] [2024-11-24 00:05:28,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:28,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:29,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:29,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353834889] [2024-11-24 00:05:29,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353834889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:29,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107389449] [2024-11-24 00:05:29,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:29,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:29,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:29,145 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:29,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 00:05:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:30,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 1641 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:05:30,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:30,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:30,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107389449] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:30,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:05:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-24 00:05:30,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66532652] [2024-11-24 00:05:30,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:30,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:05:30,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:30,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:05:30,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:05:30,643 INFO L87 Difference]: Start difference. First operand 486 states and 655 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-24 00:05:31,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:31,058 INFO L93 Difference]: Finished difference Result 1695 states and 2425 transitions. [2024-11-24 00:05:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:31,060 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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 63 [2024-11-24 00:05:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:31,070 INFO L225 Difference]: With dead ends: 1695 [2024-11-24 00:05:31,070 INFO L226 Difference]: Without dead ends: 1694 [2024-11-24 00:05:31,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:05:31,072 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 2150 mSDsluCounter, 3517 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2178 SdHoareTripleChecker+Valid, 4109 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:31,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 4109 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:05:31,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-24 00:05:31,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 498. [2024-11-24 00:05:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 436 states have (on average 1.4678899082568808) internal successors, (640), 476 states have internal predecessors, (640), 18 states have call successors, (18), 9 states have call predecessors, (18), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:05:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 670 transitions. [2024-11-24 00:05:31,128 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 670 transitions. Word has length 63 [2024-11-24 00:05:31,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:31,128 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 670 transitions. [2024-11-24 00:05:31,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-11-24 00:05:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 670 transitions. [2024-11-24 00:05:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-24 00:05:31,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:31,130 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:31,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-24 00:05:31,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-24 00:05:31,331 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:31,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:31,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1392600579, now seen corresponding path program 1 times [2024-11-24 00:05:31,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:31,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947471162] [2024-11-24 00:05:31,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:31,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:31,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:31,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947471162] [2024-11-24 00:05:31,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947471162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:31,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:31,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:05:31,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220454075] [2024-11-24 00:05:31,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:31,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:31,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:31,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:31,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:31,934 INFO L87 Difference]: Start difference. First operand 498 states and 670 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:05:32,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:32,155 INFO L93 Difference]: Finished difference Result 990 states and 1365 transitions. [2024-11-24 00:05:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:32,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2024-11-24 00:05:32,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:32,159 INFO L225 Difference]: With dead ends: 990 [2024-11-24 00:05:32,159 INFO L226 Difference]: Without dead ends: 595 [2024-11-24 00:05:32,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:32,161 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 121 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:32,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1118 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:05:32,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-24 00:05:32,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 541. [2024-11-24 00:05:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 478 states have (on average 1.4581589958158996) internal successors, (697), 518 states have internal predecessors, (697), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:05:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 729 transitions. [2024-11-24 00:05:32,192 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 729 transitions. Word has length 72 [2024-11-24 00:05:32,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:32,193 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 729 transitions. [2024-11-24 00:05:32,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:05:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 729 transitions. [2024-11-24 00:05:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 00:05:32,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:32,194 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:32,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:05:32,194 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:32,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:32,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1621142555, now seen corresponding path program 1 times [2024-11-24 00:05:32,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:32,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27104570] [2024-11-24 00:05:32,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:32,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:32,888 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-24 00:05:32,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:32,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27104570] [2024-11-24 00:05:32,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27104570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:32,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109444044] [2024-11-24 00:05:32,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:32,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:32,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:32,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:32,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 00:05:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:34,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:05:34,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-24 00:05:34,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-24 00:05:34,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109444044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:34,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:05:34,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 00:05:34,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864460119] [2024-11-24 00:05:34,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:34,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:05:34,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:34,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:05:34,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:05:34,428 INFO L87 Difference]: Start difference. First operand 541 states and 729 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2024-11-24 00:05:34,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:34,547 INFO L93 Difference]: Finished difference Result 1050 states and 1428 transitions. [2024-11-24 00:05:34,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:34,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 73 [2024-11-24 00:05:34,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:34,552 INFO L225 Difference]: With dead ends: 1050 [2024-11-24 00:05:34,552 INFO L226 Difference]: Without dead ends: 565 [2024-11-24 00:05:34,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:05:34,554 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 6 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:34,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2372 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:34,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-24 00:05:34,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-11-24 00:05:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 502 states have (on average 1.4362549800796813) internal successors, (721), 542 states have internal predecessors, (721), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:05:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 753 transitions. [2024-11-24 00:05:34,588 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 753 transitions. Word has length 73 [2024-11-24 00:05:34,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:34,588 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 753 transitions. [2024-11-24 00:05:34,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2024-11-24 00:05:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 753 transitions. [2024-11-24 00:05:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-24 00:05:34,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:34,590 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:34,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-24 00:05:34,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-24 00:05:34,791 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:34,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:34,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1740671619, now seen corresponding path program 1 times [2024-11-24 00:05:34,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:34,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947819326] [2024-11-24 00:05:34,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:34,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 00:05:35,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:35,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947819326] [2024-11-24 00:05:35,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947819326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:35,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:35,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:05:35,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571203733] [2024-11-24 00:05:35,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:35,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:35,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:35,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:35,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:35,370 INFO L87 Difference]: Start difference. First operand 565 states and 753 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:05:35,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:35,419 INFO L93 Difference]: Finished difference Result 567 states and 753 transitions. [2024-11-24 00:05:35,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:35,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2024-11-24 00:05:35,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:35,422 INFO L225 Difference]: With dead ends: 567 [2024-11-24 00:05:35,423 INFO L226 Difference]: Without dead ends: 565 [2024-11-24 00:05:35,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:35,424 INFO L435 NwaCegarLoop]: 598 mSDtfsCounter, 1 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:35,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1190 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:05:35,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-24 00:05:35,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-11-24 00:05:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 502 states have (on average 1.4322709163346614) internal successors, (719), 542 states have internal predecessors, (719), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:05:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 751 transitions. [2024-11-24 00:05:35,454 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 751 transitions. Word has length 74 [2024-11-24 00:05:35,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:35,455 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 751 transitions. [2024-11-24 00:05:35,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:05:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 751 transitions. [2024-11-24 00:05:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-24 00:05:35,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:35,456 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:35,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:05:35,456 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:35,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:35,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1175981860, now seen corresponding path program 2 times [2024-11-24 00:05:35,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:35,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176355672] [2024-11-24 00:05:35,457 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:05:35,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:35,906 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 00:05:35,910 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:05:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-24 00:05:36,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:36,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176355672] [2024-11-24 00:05:36,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176355672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:36,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:36,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:05:36,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096743469] [2024-11-24 00:05:36,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:36,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:05:36,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:36,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:05:36,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:36,316 INFO L87 Difference]: Start difference. First operand 565 states and 751 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-24 00:05:36,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:36,577 INFO L93 Difference]: Finished difference Result 1036 states and 1402 transitions. [2024-11-24 00:05:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:36,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 75 [2024-11-24 00:05:36,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:36,580 INFO L225 Difference]: With dead ends: 1036 [2024-11-24 00:05:36,582 INFO L226 Difference]: Without dead ends: 565 [2024-11-24 00:05:36,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:36,583 INFO L435 NwaCegarLoop]: 583 mSDtfsCounter, 538 mSDsluCounter, 1727 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 2310 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:36,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 2310 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:05:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-24 00:05:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2024-11-24 00:05:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 502 states have (on average 1.4302788844621515) internal successors, (718), 542 states have internal predecessors, (718), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:05:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 750 transitions. [2024-11-24 00:05:36,613 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 750 transitions. Word has length 75 [2024-11-24 00:05:36,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:36,613 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 750 transitions. [2024-11-24 00:05:36,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-24 00:05:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 750 transitions. [2024-11-24 00:05:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-24 00:05:36,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:36,614 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:36,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:05:36,615 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:36,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:36,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1559480639, now seen corresponding path program 2 times [2024-11-24 00:05:36,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:36,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522171393] [2024-11-24 00:05:36,616 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:05:36,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:37,008 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 00:05:37,008 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:05:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-24 00:05:37,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522171393] [2024-11-24 00:05:37,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522171393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926507787] [2024-11-24 00:05:37,201 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:05:37,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:37,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:37,204 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:37,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 00:05:38,650 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 00:05:38,650 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:05:38,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:05:38,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-24 00:05:38,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-24 00:05:38,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926507787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:38,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:05:38,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-24 00:05:38,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897973358] [2024-11-24 00:05:38,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:38,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:05:38,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:38,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:05:38,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:38,954 INFO L87 Difference]: Start difference. First operand 565 states and 750 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:05:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:39,100 INFO L93 Difference]: Finished difference Result 565 states and 750 transitions. [2024-11-24 00:05:39,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:39,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 97 [2024-11-24 00:05:39,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:39,103 INFO L225 Difference]: With dead ends: 565 [2024-11-24 00:05:39,103 INFO L226 Difference]: Without dead ends: 564 [2024-11-24 00:05:39,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:05:39,105 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 508 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:39,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1875 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:39,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-24 00:05:39,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 543. [2024-11-24 00:05:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 481 states have (on average 1.4449064449064448) internal successors, (695), 520 states have internal predecessors, (695), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:05:39,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 727 transitions. [2024-11-24 00:05:39,136 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 727 transitions. Word has length 97 [2024-11-24 00:05:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:39,137 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 727 transitions. [2024-11-24 00:05:39,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:05:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 727 transitions. [2024-11-24 00:05:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-24 00:05:39,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:39,138 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:39,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:39,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:39,339 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:39,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:39,340 INFO L85 PathProgramCache]: Analyzing trace with hash 277579596, now seen corresponding path program 1 times [2024-11-24 00:05:39,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:39,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413547710] [2024-11-24 00:05:39,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:39,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-24 00:05:40,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:40,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413547710] [2024-11-24 00:05:40,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413547710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:40,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054245570] [2024-11-24 00:05:40,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:40,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:40,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:40,063 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:40,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-24 00:05:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:41,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:05:41,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-24 00:05:41,712 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-24 00:05:41,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054245570] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:41,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:05:41,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-24 00:05:41,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431425829] [2024-11-24 00:05:41,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:41,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:05:41,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:41,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:05:41,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:05:41,872 INFO L87 Difference]: Start difference. First operand 543 states and 727 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 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) [2024-11-24 00:05:42,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:42,068 INFO L93 Difference]: Finished difference Result 1060 states and 1432 transitions. [2024-11-24 00:05:42,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:05:42,069 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 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 97 [2024-11-24 00:05:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:42,072 INFO L225 Difference]: With dead ends: 1060 [2024-11-24 00:05:42,072 INFO L226 Difference]: Without dead ends: 567 [2024-11-24 00:05:42,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:05:42,074 INFO L435 NwaCegarLoop]: 595 mSDtfsCounter, 6 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3550 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:42,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3550 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:42,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-24 00:05:42,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2024-11-24 00:05:42,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 505 states have (on average 1.4237623762376237) internal successors, (719), 544 states have internal predecessors, (719), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:05:42,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 751 transitions. [2024-11-24 00:05:42,102 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 751 transitions. Word has length 97 [2024-11-24 00:05:42,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:42,102 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 751 transitions. [2024-11-24 00:05:42,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 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) [2024-11-24 00:05:42,103 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 751 transitions. [2024-11-24 00:05:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:05:42,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:42,104 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:05:42,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:42,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:42,309 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:05:42,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:42,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1008823024, now seen corresponding path program 2 times [2024-11-24 00:05:42,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:42,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089019414] [2024-11-24 00:05:42,310 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:05:42,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:42,896 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 00:05:42,896 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:05:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:05:43,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:43,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089019414] [2024-11-24 00:05:43,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089019414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:43,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444354591] [2024-11-24 00:05:43,362 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:05:43,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:43,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:43,364 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:43,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-24 00:06:40,532 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 00:06:40,532 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:06:40,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:06:40,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:40,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:06:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:40,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444354591] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:06:40,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:06:40,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-24 00:06:40,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243273844] [2024-11-24 00:06:40,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:06:40,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:06:40,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:40,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:06:40,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:06:40,862 INFO L87 Difference]: Start difference. First operand 567 states and 751 transitions. Second operand has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 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) [2024-11-24 00:06:41,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:41,619 INFO L93 Difference]: Finished difference Result 4012 states and 5737 transitions. [2024-11-24 00:06:41,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:06:41,620 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 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 121 [2024-11-24 00:06:41,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:41,638 INFO L225 Difference]: With dead ends: 4012 [2024-11-24 00:06:41,638 INFO L226 Difference]: Without dead ends: 4011 [2024-11-24 00:06:41,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:06:41,641 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 7525 mSDsluCounter, 5802 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7595 SdHoareTripleChecker+Valid, 6393 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:41,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7595 Valid, 6393 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:06:41,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4011 states. [2024-11-24 00:06:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4011 to 591. [2024-11-24 00:06:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 529 states have (on average 1.4158790170132325) internal successors, (749), 568 states have internal predecessors, (749), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:06:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 781 transitions. [2024-11-24 00:06:41,757 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 781 transitions. Word has length 121 [2024-11-24 00:06:41,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:41,757 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 781 transitions. [2024-11-24 00:06:41,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 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) [2024-11-24 00:06:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 781 transitions. [2024-11-24 00:06:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:06:41,759 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:41,760 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:41,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-24 00:06:41,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:06:41,960 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:06:41,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:41,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1967479542, now seen corresponding path program 1 times [2024-11-24 00:06:41,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:41,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317260937] [2024-11-24 00:06:41,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:42,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:42,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317260937] [2024-11-24 00:06:42,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317260937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:42,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:42,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:06:42,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771104262] [2024-11-24 00:06:42,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:42,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:06:42,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:42,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:06:42,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:06:42,990 INFO L87 Difference]: Start difference. First operand 591 states and 781 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:06:47,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:06:47,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:47,359 INFO L93 Difference]: Finished difference Result 1033 states and 1396 transitions. [2024-11-24 00:06:47,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:06:47,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 126 [2024-11-24 00:06:47,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:47,363 INFO L225 Difference]: With dead ends: 1033 [2024-11-24 00:06:47,363 INFO L226 Difference]: Without dead ends: 592 [2024-11-24 00:06:47,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:06:47,366 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 971 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:47,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 861 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 00:06:47,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-24 00:06:47,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 591. [2024-11-24 00:06:47,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 529 states have (on average 1.4120982986767485) internal successors, (747), 568 states have internal predecessors, (747), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:06:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 779 transitions. [2024-11-24 00:06:47,406 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 779 transitions. Word has length 126 [2024-11-24 00:06:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:47,406 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 779 transitions. [2024-11-24 00:06:47,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:06:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 779 transitions. [2024-11-24 00:06:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:06:47,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:47,408 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:47,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 00:06:47,409 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:06:47,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:47,410 INFO L85 PathProgramCache]: Analyzing trace with hash 946411188, now seen corresponding path program 1 times [2024-11-24 00:06:47,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:47,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353660143] [2024-11-24 00:06:47,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:48,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:48,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353660143] [2024-11-24 00:06:48,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353660143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:48,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:48,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:48,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054685116] [2024-11-24 00:06:48,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:48,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:48,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:48,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:48,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:48,175 INFO L87 Difference]: Start difference. First operand 591 states and 779 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:48,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:48,447 INFO L93 Difference]: Finished difference Result 978 states and 1338 transitions. [2024-11-24 00:06:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:48,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 126 [2024-11-24 00:06:48,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:48,453 INFO L225 Difference]: With dead ends: 978 [2024-11-24 00:06:48,453 INFO L226 Difference]: Without dead ends: 644 [2024-11-24 00:06:48,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:48,455 INFO L435 NwaCegarLoop]: 658 mSDtfsCounter, 75 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:48,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1193 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:06:48,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-24 00:06:48,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 594. [2024-11-24 00:06:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 534 states have (on average 1.4063670411985019) internal successors, (751), 571 states have internal predecessors, (751), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:06:48,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 783 transitions. [2024-11-24 00:06:48,497 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 783 transitions. Word has length 126 [2024-11-24 00:06:48,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:48,498 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 783 transitions. [2024-11-24 00:06:48,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 783 transitions. [2024-11-24 00:06:48,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:06:48,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:48,503 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:48,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 00:06:48,503 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:06:48,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:48,503 INFO L85 PathProgramCache]: Analyzing trace with hash 947045665, now seen corresponding path program 1 times [2024-11-24 00:06:48,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:48,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886815047] [2024-11-24 00:06:48,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:48,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:49,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:49,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886815047] [2024-11-24 00:06:49,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886815047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:49,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:49,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:49,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733539650] [2024-11-24 00:06:49,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:49,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:49,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:49,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:49,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:49,296 INFO L87 Difference]: Start difference. First operand 594 states and 783 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:49,563 INFO L93 Difference]: Finished difference Result 648 states and 861 transitions. [2024-11-24 00:06:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:49,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 126 [2024-11-24 00:06:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:49,567 INFO L225 Difference]: With dead ends: 648 [2024-11-24 00:06:49,567 INFO L226 Difference]: Without dead ends: 645 [2024-11-24 00:06:49,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:49,570 INFO L435 NwaCegarLoop]: 541 mSDtfsCounter, 191 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:49,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 977 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:06:49,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-24 00:06:49,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 591. [2024-11-24 00:06:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 534 states have (on average 1.400749063670412) internal successors, (748), 568 states have internal predecessors, (748), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:06:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 780 transitions. [2024-11-24 00:06:49,628 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 780 transitions. Word has length 126 [2024-11-24 00:06:49,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:49,629 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 780 transitions. [2024-11-24 00:06:49,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:49,629 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 780 transitions. [2024-11-24 00:06:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 00:06:49,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:49,632 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:49,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 00:06:49,632 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:06:49,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:49,633 INFO L85 PathProgramCache]: Analyzing trace with hash -726023061, now seen corresponding path program 1 times [2024-11-24 00:06:49,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:49,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672697109] [2024-11-24 00:06:49,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:49,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:50,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:50,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672697109] [2024-11-24 00:06:50,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672697109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:50,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:50,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:50,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944554748] [2024-11-24 00:06:50,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:50,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:50,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:50,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:50,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:50,252 INFO L87 Difference]: Start difference. First operand 591 states and 780 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:50,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:50,473 INFO L93 Difference]: Finished difference Result 980 states and 1340 transitions. [2024-11-24 00:06:50,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:50,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 127 [2024-11-24 00:06:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:50,478 INFO L225 Difference]: With dead ends: 980 [2024-11-24 00:06:50,478 INFO L226 Difference]: Without dead ends: 642 [2024-11-24 00:06:50,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:50,480 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 157 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:50,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1056 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:06:50,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-11-24 00:06:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 576. [2024-11-24 00:06:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 523 states have (on average 1.3919694072657744) internal successors, (728), 553 states have internal predecessors, (728), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:06:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 760 transitions. [2024-11-24 00:06:50,521 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 760 transitions. Word has length 127 [2024-11-24 00:06:50,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:50,522 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 760 transitions. [2024-11-24 00:06:50,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 760 transitions. [2024-11-24 00:06:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 00:06:50,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:50,525 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:50,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 00:06:50,525 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:06:50,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:50,526 INFO L85 PathProgramCache]: Analyzing trace with hash -706354212, now seen corresponding path program 1 times [2024-11-24 00:06:50,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:50,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544105644] [2024-11-24 00:06:50,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:50,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:51,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:51,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544105644] [2024-11-24 00:06:51,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544105644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:51,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:51,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:51,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413656351] [2024-11-24 00:06:51,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:51,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:51,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:51,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:51,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:51,120 INFO L87 Difference]: Start difference. First operand 576 states and 760 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:51,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:51,346 INFO L93 Difference]: Finished difference Result 630 states and 838 transitions. [2024-11-24 00:06:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:51,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 127 [2024-11-24 00:06:51,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:51,350 INFO L225 Difference]: With dead ends: 630 [2024-11-24 00:06:51,350 INFO L226 Difference]: Without dead ends: 629 [2024-11-24 00:06:51,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:51,351 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 189 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:51,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1032 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:06:51,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-24 00:06:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 575. [2024-11-24 00:06:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 523 states have (on average 1.3900573613766731) internal successors, (727), 552 states have internal predecessors, (727), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:06:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 759 transitions. [2024-11-24 00:06:51,392 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 759 transitions. Word has length 127 [2024-11-24 00:06:51,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:51,393 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 759 transitions. [2024-11-24 00:06:51,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 759 transitions. [2024-11-24 00:06:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 00:06:51,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:51,395 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:51,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 00:06:51,395 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:06:51,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:51,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1474758, now seen corresponding path program 1 times [2024-11-24 00:06:51,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:51,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650132496] [2024-11-24 00:06:51,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:51,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:52,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:52,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650132496] [2024-11-24 00:06:52,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650132496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:06:52,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272892336] [2024-11-24 00:06:52,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:52,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:06:52,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:52,123 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:06:52,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-24 00:06:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:53,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:06:53,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 00:06:53,772 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:06:53,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272892336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:53,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:06:53,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-24 00:06:53,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831012286] [2024-11-24 00:06:53,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:53,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:06:53,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:53,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:06:53,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:06:53,773 INFO L87 Difference]: Start difference. First operand 575 states and 759 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:06:54,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:54,289 INFO L93 Difference]: Finished difference Result 1085 states and 1480 transitions. [2024-11-24 00:06:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:06:54,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 129 [2024-11-24 00:06:54,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:54,293 INFO L225 Difference]: With dead ends: 1085 [2024-11-24 00:06:54,294 INFO L226 Difference]: Without dead ends: 692 [2024-11-24 00:06:54,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:06:54,295 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 289 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:54,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 2256 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:06:54,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-24 00:06:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 574. [2024-11-24 00:06:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 524 states have (on average 1.381679389312977) internal successors, (724), 551 states have internal predecessors, (724), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:06:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 756 transitions. [2024-11-24 00:06:54,333 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 756 transitions. Word has length 129 [2024-11-24 00:06:54,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:54,334 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 756 transitions. [2024-11-24 00:06:54,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:06:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 756 transitions. [2024-11-24 00:06:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 00:06:54,336 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:54,336 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:54,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-24 00:06:54,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-24 00:06:54,537 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:06:54,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:54,538 INFO L85 PathProgramCache]: Analyzing trace with hash -983857527, now seen corresponding path program 1 times [2024-11-24 00:06:54,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:54,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350138124] [2024-11-24 00:06:54,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:54,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-24 00:06:54,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:54,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350138124] [2024-11-24 00:06:54,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350138124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:54,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:54,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:06:54,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290572048] [2024-11-24 00:06:54,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:54,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:06:54,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:54,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:06:54,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:54,965 INFO L87 Difference]: Start difference. First operand 574 states and 756 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:55,026 INFO L93 Difference]: Finished difference Result 574 states and 756 transitions. [2024-11-24 00:06:55,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:06:55,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 132 [2024-11-24 00:06:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:55,029 INFO L225 Difference]: With dead ends: 574 [2024-11-24 00:06:55,029 INFO L226 Difference]: Without dead ends: 573 [2024-11-24 00:06:55,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:06:55,030 INFO L435 NwaCegarLoop]: 583 mSDtfsCounter, 1 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:55,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1160 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:06:55,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-24 00:06:55,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2024-11-24 00:06:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 524 states have (on average 1.3797709923664123) internal successors, (723), 550 states have internal predecessors, (723), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:06:55,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 755 transitions. [2024-11-24 00:06:55,069 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 755 transitions. Word has length 132 [2024-11-24 00:06:55,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:55,069 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 755 transitions. [2024-11-24 00:06:55,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:06:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 755 transitions. [2024-11-24 00:06:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 00:06:55,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:55,073 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:55,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 00:06:55,074 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:06:55,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:55,075 INFO L85 PathProgramCache]: Analyzing trace with hash -434811267, now seen corresponding path program 1 times [2024-11-24 00:06:55,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:55,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099289723] [2024-11-24 00:06:55,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:06:56,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:56,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099289723] [2024-11-24 00:06:56,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099289723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:56,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:56,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:06:56,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396342604] [2024-11-24 00:06:56,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:56,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:06:56,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:56,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:06:56,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:06:56,389 INFO L87 Difference]: Start difference. First operand 573 states and 755 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:07:00,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:07:00,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:07:00,803 INFO L93 Difference]: Finished difference Result 994 states and 1341 transitions. [2024-11-24 00:07:00,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:07:00,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 133 [2024-11-24 00:07:00,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:07:00,806 INFO L225 Difference]: With dead ends: 994 [2024-11-24 00:07:00,807 INFO L226 Difference]: Without dead ends: 573 [2024-11-24 00:07:00,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:07:00,808 INFO L435 NwaCegarLoop]: 547 mSDtfsCounter, 536 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:07:00,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1226 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 00:07:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-24 00:07:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2024-11-24 00:07:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 524 states have (on average 1.3778625954198473) internal successors, (722), 550 states have internal predecessors, (722), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:07:00,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 754 transitions. [2024-11-24 00:07:00,863 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 754 transitions. Word has length 133 [2024-11-24 00:07:00,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:07:00,863 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 754 transitions. [2024-11-24 00:07:00,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:07:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 754 transitions. [2024-11-24 00:07:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 00:07:00,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:07:00,866 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:07:00,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 00:07:00,866 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:07:00,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:07:00,867 INFO L85 PathProgramCache]: Analyzing trace with hash -12109441, now seen corresponding path program 1 times [2024-11-24 00:07:00,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:07:00,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900271556] [2024-11-24 00:07:00,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:07:00,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:07:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:07:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:01,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:07:01,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900271556] [2024-11-24 00:07:01,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900271556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:07:01,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:07:01,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:07:01,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753106603] [2024-11-24 00:07:01,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:07:01,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:07:01,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:07:01,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:07:01,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:07:01,834 INFO L87 Difference]: Start difference. First operand 573 states and 754 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:07:01,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:07:01,902 INFO L93 Difference]: Finished difference Result 1001 states and 1348 transitions. [2024-11-24 00:07:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:07:01,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 133 [2024-11-24 00:07:01,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:07:01,905 INFO L225 Difference]: With dead ends: 1001 [2024-11-24 00:07:01,906 INFO L226 Difference]: Without dead ends: 574 [2024-11-24 00:07:01,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:07:01,908 INFO L435 NwaCegarLoop]: 581 mSDtfsCounter, 0 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:07:01,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1741 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:07:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-24 00:07:01,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2024-11-24 00:07:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 525 states have (on average 1.3771428571428572) internal successors, (723), 551 states have internal predecessors, (723), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:07:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 755 transitions. [2024-11-24 00:07:01,948 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 755 transitions. Word has length 133 [2024-11-24 00:07:01,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:07:01,949 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 755 transitions. [2024-11-24 00:07:01,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:07:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 755 transitions. [2024-11-24 00:07:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:07:01,951 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:07:01,951 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:07:01,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 00:07:01,952 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:07:01,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:07:01,952 INFO L85 PathProgramCache]: Analyzing trace with hash 856277119, now seen corresponding path program 1 times [2024-11-24 00:07:01,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:07:01,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681634309] [2024-11-24 00:07:01,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:07:01,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:07:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:07:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:02,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:07:02,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681634309] [2024-11-24 00:07:02,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681634309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:07:02,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095403396] [2024-11-24 00:07:02,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:07:02,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:07:02,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:07:02,979 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:07:02,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-24 00:07:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:07:04,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:07:04,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:07:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:04,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:07:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:04,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095403396] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:07:04,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:07:04,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-24 00:07:04,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891007955] [2024-11-24 00:07:04,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:07:04,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:07:04,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:07:04,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:07:04,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:07:04,977 INFO L87 Difference]: Start difference. First operand 574 states and 755 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-24 00:07:05,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:07:05,118 INFO L93 Difference]: Finished difference Result 1006 states and 1355 transitions. [2024-11-24 00:07:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:07:05,119 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 134 [2024-11-24 00:07:05,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:07:05,123 INFO L225 Difference]: With dead ends: 1006 [2024-11-24 00:07:05,123 INFO L226 Difference]: Without dead ends: 577 [2024-11-24 00:07:05,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:07:05,129 INFO L435 NwaCegarLoop]: 581 mSDtfsCounter, 0 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:07:05,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1745 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:07:05,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-24 00:07:05,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-11-24 00:07:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 528 states have (on average 1.375) internal successors, (726), 554 states have internal predecessors, (726), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:07:05,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 758 transitions. [2024-11-24 00:07:05,174 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 758 transitions. Word has length 134 [2024-11-24 00:07:05,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:07:05,175 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 758 transitions. [2024-11-24 00:07:05,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-24 00:07:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 758 transitions. [2024-11-24 00:07:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 00:07:05,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:07:05,179 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:07:05,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-24 00:07:05,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-24 00:07:05,380 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:07:05,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:07:05,381 INFO L85 PathProgramCache]: Analyzing trace with hash 523303295, now seen corresponding path program 2 times [2024-11-24 00:07:05,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:07:05,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182711214] [2024-11-24 00:07:05,381 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:07:05,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:07:05,647 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 00:07:05,648 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:07:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-11-24 00:07:06,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:07:06,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182711214] [2024-11-24 00:07:06,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182711214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:07:06,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:07:06,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:07:06,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088321453] [2024-11-24 00:07:06,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:07:06,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:07:06,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:07:06,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:07:06,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:07:06,518 INFO L87 Difference]: Start difference. First operand 577 states and 758 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:07:10,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:07:14,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:07:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:07:15,064 INFO L93 Difference]: Finished difference Result 997 states and 1342 transitions. [2024-11-24 00:07:15,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:07:15,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 137 [2024-11-24 00:07:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:07:15,068 INFO L225 Difference]: With dead ends: 997 [2024-11-24 00:07:15,068 INFO L226 Difference]: Without dead ends: 577 [2024-11-24 00:07:15,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:07:15,070 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 951 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:07:15,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 1728 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 173 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2024-11-24 00:07:15,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-24 00:07:15,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-11-24 00:07:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 528 states have (on average 1.3731060606060606) internal successors, (725), 554 states have internal predecessors, (725), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:07:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 757 transitions. [2024-11-24 00:07:15,109 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 757 transitions. Word has length 137 [2024-11-24 00:07:15,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:07:15,110 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 757 transitions. [2024-11-24 00:07:15,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 00:07:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 757 transitions. [2024-11-24 00:07:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 00:07:15,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:07:15,112 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:07:15,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 00:07:15,113 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:07:15,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:07:15,113 INFO L85 PathProgramCache]: Analyzing trace with hash -294345155, now seen corresponding path program 1 times [2024-11-24 00:07:15,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:07:15,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333978621] [2024-11-24 00:07:15,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:07:15,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:07:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:07:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:16,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:07:16,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333978621] [2024-11-24 00:07:16,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333978621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:07:16,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864960713] [2024-11-24 00:07:16,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:07:16,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:07:16,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:07:16,399 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:07:16,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-24 00:07:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:07:18,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 2099 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 00:07:18,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:07:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:18,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:07:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:18,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864960713] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:07:18,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:07:18,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-24 00:07:18,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921159820] [2024-11-24 00:07:18,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:07:18,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 00:07:18,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:07:18,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 00:07:18,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:07:18,835 INFO L87 Difference]: Start difference. First operand 577 states and 757 transitions. Second operand has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 00:07:19,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:07:19,323 INFO L93 Difference]: Finished difference Result 1012 states and 1362 transitions. [2024-11-24 00:07:19,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:07:19,324 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 137 [2024-11-24 00:07:19,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:07:19,327 INFO L225 Difference]: With dead ends: 1012 [2024-11-24 00:07:19,327 INFO L226 Difference]: Without dead ends: 583 [2024-11-24 00:07:19,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=180, Invalid=282, Unknown=0, NotChecked=0, Total=462 [2024-11-24 00:07:19,329 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 0 mSDsluCounter, 4630 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5210 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 [2024-11-24 00:07:19,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5210 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:07:19,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-24 00:07:19,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2024-11-24 00:07:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 534 states have (on average 1.3689138576779025) internal successors, (731), 560 states have internal predecessors, (731), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:07:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 763 transitions. [2024-11-24 00:07:19,365 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 763 transitions. Word has length 137 [2024-11-24 00:07:19,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:07:19,365 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 763 transitions. [2024-11-24 00:07:19,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 00:07:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 763 transitions. [2024-11-24 00:07:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-24 00:07:19,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:07:19,368 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:07:19,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-24 00:07:19,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-24 00:07:19,568 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:07:19,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:07:19,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1930475971, now seen corresponding path program 2 times [2024-11-24 00:07:19,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:07:19,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950437791] [2024-11-24 00:07:19,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:07:19,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:07:20,075 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 00:07:20,076 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:07:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:21,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:07:21,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950437791] [2024-11-24 00:07:21,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950437791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:07:21,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017482262] [2024-11-24 00:07:21,198 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:07:21,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:07:21,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:07:21,200 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:07:21,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-24 00:07:52,360 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 00:07:52,360 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:07:52,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 2189 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 00:07:52,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:07:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:52,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:07:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:07:53,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017482262] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:07:53,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:07:53,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2024-11-24 00:07:53,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413422634] [2024-11-24 00:07:53,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:07:53,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-24 00:07:53,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:07:53,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-24 00:07:53,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=888, Unknown=0, NotChecked=0, Total=1260 [2024-11-24 00:07:53,688 INFO L87 Difference]: Start difference. First operand 583 states and 763 transitions. Second operand has 36 states, 36 states have (on average 2.388888888888889) internal successors, (86), 36 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 00:07:58,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:07:58,644 INFO L93 Difference]: Finished difference Result 1024 states and 1380 transitions. [2024-11-24 00:07:58,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-24 00:07:58,644 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.388888888888889) internal successors, (86), 36 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 143 [2024-11-24 00:07:58,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:07:58,646 INFO L225 Difference]: With dead ends: 1024 [2024-11-24 00:07:58,646 INFO L226 Difference]: Without dead ends: 595 [2024-11-24 00:07:58,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=732, Invalid=1338, Unknown=0, NotChecked=0, Total=2070 [2024-11-24 00:07:58,648 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 0 mSDsluCounter, 7526 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8106 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:07:58,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8106 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:07:58,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-24 00:07:58,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2024-11-24 00:07:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 546 states have (on average 1.3608058608058609) internal successors, (743), 572 states have internal predecessors, (743), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:07:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 775 transitions. [2024-11-24 00:07:58,682 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 775 transitions. Word has length 143 [2024-11-24 00:07:58,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:07:58,682 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 775 transitions. [2024-11-24 00:07:58,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.388888888888889) internal successors, (86), 36 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 00:07:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 775 transitions. [2024-11-24 00:07:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:07:58,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:07:58,684 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:07:58,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-24 00:07:58,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-24 00:07:58,885 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:07:58,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:07:58,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1464263438, now seen corresponding path program 3 times [2024-11-24 00:07:58,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:07:58,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420752788] [2024-11-24 00:07:58,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 00:07:58,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:07:59,409 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-24 00:07:59,409 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:08:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-24 00:08:01,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:08:01,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420752788] [2024-11-24 00:08:01,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420752788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:08:01,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465727978] [2024-11-24 00:08:01,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 00:08:01,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:08:01,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:08:01,652 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:08:01,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-24 00:09:00,396 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-24 00:09:00,396 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:09:00,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-24 00:09:00,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:09:00,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:09:00,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:09:00,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 00:09:00,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-24 00:09:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 00:09:00,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-24 00:09:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-24 00:09:02,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:09:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-24 00:09:03,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465727978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:09:03,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:09:03,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 25 [2024-11-24 00:09:03,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011614074] [2024-11-24 00:09:03,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:09:03,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-24 00:09:03,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:09:03,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-24 00:09:03,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:09:03,140 INFO L87 Difference]: Start difference. First operand 595 states and 775 transitions. Second operand has 25 states, 25 states have (on average 2.84) internal successors, (71), 25 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:09:04,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:09:04,588 INFO L93 Difference]: Finished difference Result 1465 states and 1966 transitions. [2024-11-24 00:09:04,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:09:04,589 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.84) internal successors, (71), 25 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 145 [2024-11-24 00:09:04,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:09:04,593 INFO L225 Difference]: With dead ends: 1465 [2024-11-24 00:09:04,593 INFO L226 Difference]: Without dead ends: 969 [2024-11-24 00:09:04,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-24 00:09:04,595 INFO L435 NwaCegarLoop]: 577 mSDtfsCounter, 1299 mSDsluCounter, 6776 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 7353 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:09:04,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 7353 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 00:09:04,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-11-24 00:09:04,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 644. [2024-11-24 00:09:04,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 595 states have (on average 1.334453781512605) internal successors, (794), 621 states have internal predecessors, (794), 19 states have call successors, (19), 9 states have call predecessors, (19), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 00:09:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 826 transitions. [2024-11-24 00:09:04,636 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 826 transitions. Word has length 145 [2024-11-24 00:09:04,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:09:04,636 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 826 transitions. [2024-11-24 00:09:04,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.84) internal successors, (71), 25 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:09:04,636 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 826 transitions. [2024-11-24 00:09:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-24 00:09:04,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:04,638 INFO L218 NwaCegarLoop]: trace histogram [22, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:09:04,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-24 00:09:04,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-24 00:09:04,839 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 70 more)] === [2024-11-24 00:09:04,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:04,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1752991293, now seen corresponding path program 3 times [2024-11-24 00:09:04,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:09:04,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140886338] [2024-11-24 00:09:04,840 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 00:09:04,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:09:06,353 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-24 00:09:06,353 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:09:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-24 00:09:08,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:09:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140886338] [2024-11-24 00:09:08,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140886338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:09:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364173171] [2024-11-24 00:09:08,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 00:09:08,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:09:08,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:09:08,517 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:09:08,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8f44211-0766-462c-a167-7f66b835a113/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process