./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/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_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/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 32bit --witnessprinter.graph.data.programhash 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:11:47,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:11:47,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-24 01:11:47,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:11:47,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:11:47,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:11:47,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:11:47,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:11:47,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:11:47,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:11:47,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:11:47,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:11:47,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:11:47,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:11:47,460 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:11:47,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:11:47,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:11:47,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:11:47,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:11:47,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:11:47,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:11:47,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:11:47,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:11:47,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:11:47,461 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:11:47,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:11:47,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:11:47,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:11:47,462 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:11:47,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:11:47,462 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:11:47,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:11:47,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:11:47,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:11:47,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:47,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:11:47,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:11:47,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:11:47,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:11:47,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:47,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:11:47,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:11:47,468 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:11:47,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:11:47,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:11:47,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:11:47,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:11:47,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:11:47,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:11:47,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:11:47,469 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_64a0eeff-73dd-4b47-9631-65373f56bf36/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 [2024-11-24 01:11:47,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:11:47,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:11:47,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:11:47,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:11:47,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:11:47,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-24 01:11:51,239 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/data/d552727c9/7a11f97ad5f74cbebc992c06c288f32a/FLAG493d6e16f [2024-11-24 01:11:51,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:11:51,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-24 01:11:51,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/data/d552727c9/7a11f97ad5f74cbebc992c06c288f32a/FLAG493d6e16f [2024-11-24 01:11:51,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/data/d552727c9/7a11f97ad5f74cbebc992c06c288f32a [2024-11-24 01:11:51,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:11:51,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:11:51,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:11:51,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:11:51,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:11:51,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f56224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51, skipping insertion in model container [2024-11-24 01:11:51,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:11:51,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:11:51,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:11:51,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:11:51,918 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:11:51,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51 WrapperNode [2024-11-24 01:11:51,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:11:51,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:11:51,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:11:51,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:11:51,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,954 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-24 01:11:51,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:11:51,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:11:51,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:11:51,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:11:51,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,965 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,978 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-24 01:11:51,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,984 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:51,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:11:51,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:11:51,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:11:51,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:11:51,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (1/1) ... [2024-11-24 01:11:52,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:52,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:52,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:11:52,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:11:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:11:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:11:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:11:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:11:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:11:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:11:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:11:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:11:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:11:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:11:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:11:52,136 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:11:52,138 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:11:52,423 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-24 01:11:52,424 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:11:52,435 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:11:52,435 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-24 01:11:52,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:52 BoogieIcfgContainer [2024-11-24 01:11:52,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:11:52,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:11:52,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:11:52,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:11:52,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:11:51" (1/3) ... [2024-11-24 01:11:52,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a609582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:11:52, skipping insertion in model container [2024-11-24 01:11:52,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:51" (2/3) ... [2024-11-24 01:11:52,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a609582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:11:52, skipping insertion in model container [2024-11-24 01:11:52,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:52" (3/3) ... [2024-11-24 01:11:52,447 INFO L128 eAbstractionObserver]: Analyzing ICFG init-4-n-u.c [2024-11-24 01:11:52,465 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:11:52,467 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG init-4-n-u.c that has 1 procedures, 59 locations, 1 initial locations, 8 loop locations, and 16 error locations. [2024-11-24 01:11:52,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:11:52,572 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;@69c34395, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:11:52,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-24 01:11:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 42 states have (on average 1.7857142857142858) internal successors, (75), 58 states have internal predecessors, (75), 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 01:11:52,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 01:11:52,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:52,585 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-24 01:11:52,585 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:52,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:52,593 INFO L85 PathProgramCache]: Analyzing trace with hash 889601267, now seen corresponding path program 1 times [2024-11-24 01:11:52,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:52,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453166064] [2024-11-24 01:11:52,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:52,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:52,872 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 01:11:52,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:52,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453166064] [2024-11-24 01:11:52,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453166064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:52,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:52,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:11:52,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292433442] [2024-11-24 01:11:52,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:52,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:11:52,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:52,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:11:52,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:11:52,906 INFO L87 Difference]: Start difference. First operand has 59 states, 42 states have (on average 1.7857142857142858) internal successors, (75), 58 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:11:53,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:53,035 INFO L93 Difference]: Finished difference Result 150 states and 199 transitions. [2024-11-24 01:11:53,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:11:53,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-24 01:11:53,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:53,051 INFO L225 Difference]: With dead ends: 150 [2024-11-24 01:11:53,051 INFO L226 Difference]: Without dead ends: 87 [2024-11-24 01:11:53,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:11:53,059 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 97 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:53,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 104 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:11:53,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-24 01:11:53,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 79. [2024-11-24 01:11:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.5555555555555556) internal successors, (98), 78 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:11:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2024-11-24 01:11:53,113 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 6 [2024-11-24 01:11:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:53,115 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2024-11-24 01:11:53,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:11:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2024-11-24 01:11:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 01:11:53,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:53,117 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:53,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:11:53,117 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:53,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:53,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1757661543, now seen corresponding path program 1 times [2024-11-24 01:11:53,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:53,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025564148] [2024-11-24 01:11:53,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:53,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:53,240 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 01:11:53,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:53,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025564148] [2024-11-24 01:11:53,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025564148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:53,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:53,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:11:53,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185870096] [2024-11-24 01:11:53,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:53,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:11:53,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:53,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:11:53,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:11:53,243 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 01:11:53,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:53,339 INFO L93 Difference]: Finished difference Result 176 states and 226 transitions. [2024-11-24 01:11:53,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:11:53,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 01:11:53,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:53,341 INFO L225 Difference]: With dead ends: 176 [2024-11-24 01:11:53,341 INFO L226 Difference]: Without dead ends: 99 [2024-11-24 01:11:53,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:11:53,343 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 61 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:53,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 94 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:11:53,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-24 01:11:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-24 01:11:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 98 states have internal predecessors, (118), 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 01:11:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2024-11-24 01:11:53,370 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 10 [2024-11-24 01:11:53,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:53,370 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2024-11-24 01:11:53,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 01:11:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2024-11-24 01:11:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 01:11:53,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:53,371 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:53,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:11:53,371 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:53,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:53,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1349706977, now seen corresponding path program 1 times [2024-11-24 01:11:53,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:53,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343073854] [2024-11-24 01:11:53,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:53,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:53,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:53,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343073854] [2024-11-24 01:11:53,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343073854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:53,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:53,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:11:53,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870159812] [2024-11-24 01:11:53,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:53,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:11:53,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:53,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:11:53,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:11:53,476 INFO L87 Difference]: Start difference. First operand 99 states and 118 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 01:11:53,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:53,603 INFO L93 Difference]: Finished difference Result 256 states and 314 transitions. [2024-11-24 01:11:53,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:11:53,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-24 01:11:53,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:53,606 INFO L225 Difference]: With dead ends: 256 [2024-11-24 01:11:53,606 INFO L226 Difference]: Without dead ends: 159 [2024-11-24 01:11:53,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:11:53,611 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 100 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:53,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 93 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:11:53,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-24 01:11:53,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2024-11-24 01:11:53,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 139 states have (on average 1.3381294964028776) internal successors, (186), 154 states have internal predecessors, (186), 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 01:11:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 186 transitions. [2024-11-24 01:11:53,646 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 186 transitions. Word has length 11 [2024-11-24 01:11:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:53,646 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 186 transitions. [2024-11-24 01:11:53,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 01:11:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 186 transitions. [2024-11-24 01:11:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 01:11:53,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:53,647 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:53,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:11:53,647 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:53,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:53,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1142508722, now seen corresponding path program 1 times [2024-11-24 01:11:53,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:53,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38339850] [2024-11-24 01:11:53,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:53,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:53,803 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 01:11:53,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:53,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38339850] [2024-11-24 01:11:53,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38339850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:53,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186327660] [2024-11-24 01:11:53,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:53,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:53,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:53,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:11:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:53,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:11:53,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:53,957 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 01:11:53,957 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:11:53,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186327660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:53,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:11:53,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-24 01:11:53,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963550146] [2024-11-24 01:11:53,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:53,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:11:53,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:53,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:11:53,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:53,960 INFO L87 Difference]: Start difference. First operand 155 states and 186 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 01:11:54,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:54,045 INFO L93 Difference]: Finished difference Result 155 states and 186 transitions. [2024-11-24 01:11:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:11:54,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-24 01:11:54,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:54,052 INFO L225 Difference]: With dead ends: 155 [2024-11-24 01:11:54,052 INFO L226 Difference]: Without dead ends: 153 [2024-11-24 01:11:54,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 01:11:54,054 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 11 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:54,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 92 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:11:54,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-24 01:11:54,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-24 01:11:54,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 139 states have (on average 1.2805755395683454) internal successors, (178), 152 states have internal predecessors, (178), 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 01:11:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2024-11-24 01:11:54,084 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 15 [2024-11-24 01:11:54,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:54,084 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2024-11-24 01:11:54,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 01:11:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2024-11-24 01:11:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 01:11:54,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:54,085 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:54,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:11:54,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:54,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:54,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:54,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1058032090, now seen corresponding path program 1 times [2024-11-24 01:11:54,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:54,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649176266] [2024-11-24 01:11:54,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:54,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:54,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:54,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649176266] [2024-11-24 01:11:54,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649176266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:54,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309299511] [2024-11-24 01:11:54,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:54,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:54,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:54,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:11:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:54,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:11:54,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:54,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:11:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:11:54,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309299511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:11:54,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:11:54,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-24 01:11:54,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584924409] [2024-11-24 01:11:54,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:11:54,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:11:54,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:54,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:11:54,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:11:54,580 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 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 01:11:54,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:54,723 INFO L93 Difference]: Finished difference Result 275 states and 346 transitions. [2024-11-24 01:11:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:11:54,724 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-24 01:11:54,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:54,725 INFO L225 Difference]: With dead ends: 275 [2024-11-24 01:11:54,726 INFO L226 Difference]: Without dead ends: 273 [2024-11-24 01:11:54,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:11:54,727 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 25 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:54,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 184 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:11:54,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-24 01:11:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-11-24 01:11:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 259 states have (on average 1.2432432432432432) internal successors, (322), 272 states have internal predecessors, (322), 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 01:11:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 322 transitions. [2024-11-24 01:11:54,788 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 322 transitions. Word has length 16 [2024-11-24 01:11:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:54,788 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 322 transitions. [2024-11-24 01:11:54,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 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 01:11:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 322 transitions. [2024-11-24 01:11:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 01:11:54,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:54,789 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:54,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:11:54,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:54,993 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:54,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:54,993 INFO L85 PathProgramCache]: Analyzing trace with hash 37861975, now seen corresponding path program 1 times [2024-11-24 01:11:54,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:54,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261446415] [2024-11-24 01:11:54,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:54,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 01:11:55,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:55,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261446415] [2024-11-24 01:11:55,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261446415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:55,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:55,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:11:55,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737926704] [2024-11-24 01:11:55,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:55,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:55,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:55,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:55,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:11:55,059 INFO L87 Difference]: Start difference. First operand 273 states and 322 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 01:11:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:55,187 INFO L93 Difference]: Finished difference Result 543 states and 641 transitions. [2024-11-24 01:11:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:55,188 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), 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 20 [2024-11-24 01:11:55,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:55,192 INFO L225 Difference]: With dead ends: 543 [2024-11-24 01:11:55,192 INFO L226 Difference]: Without dead ends: 539 [2024-11-24 01:11:55,193 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 01:11:55,195 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 31 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:55,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 92 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:11:55,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-24 01:11:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 529. [2024-11-24 01:11:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 515 states have (on average 1.2368932038834952) internal successors, (637), 528 states have internal predecessors, (637), 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 01:11:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 637 transitions. [2024-11-24 01:11:55,260 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 637 transitions. Word has length 20 [2024-11-24 01:11:55,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:55,261 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 637 transitions. [2024-11-24 01:11:55,261 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), 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 01:11:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 637 transitions. [2024-11-24 01:11:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 01:11:55,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:55,264 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:55,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:11:55,264 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:55,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:55,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1263678889, now seen corresponding path program 1 times [2024-11-24 01:11:55,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:55,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807007128] [2024-11-24 01:11:55,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:55,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:55,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 01:11:55,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:55,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807007128] [2024-11-24 01:11:55,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807007128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:55,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250159237] [2024-11-24 01:11:55,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:55,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:55,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:55,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:55,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:11:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:55,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:11:55,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 01:11:55,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:11:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 01:11:55,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250159237] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:11:55,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:11:55,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-24 01:11:55,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233722857] [2024-11-24 01:11:55,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:11:55,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:11:55,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:55,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:11:55,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:11:55,637 INFO L87 Difference]: Start difference. First operand 529 states and 637 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 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 01:11:56,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:56,132 INFO L93 Difference]: Finished difference Result 1030 states and 1240 transitions. [2024-11-24 01:11:56,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:11:56,133 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-24 01:11:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:56,135 INFO L225 Difference]: With dead ends: 1030 [2024-11-24 01:11:56,136 INFO L226 Difference]: Without dead ends: 529 [2024-11-24 01:11:56,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:11:56,138 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 229 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:56,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 174 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:11:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-24 01:11:56,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 527. [2024-11-24 01:11:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 515 states have (on average 1.1281553398058253) internal successors, (581), 526 states have internal predecessors, (581), 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 01:11:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 581 transitions. [2024-11-24 01:11:56,201 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 581 transitions. Word has length 23 [2024-11-24 01:11:56,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:56,201 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 581 transitions. [2024-11-24 01:11:56,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 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 01:11:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 581 transitions. [2024-11-24 01:11:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 01:11:56,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:56,204 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:56,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:11:56,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:56,405 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:56,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash 666000428, now seen corresponding path program 2 times [2024-11-24 01:11:56,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:56,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124418624] [2024-11-24 01:11:56,405 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:11:56,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:56,429 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:11:56,429 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:11:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:11:56,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:56,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124418624] [2024-11-24 01:11:56,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124418624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:56,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958238482] [2024-11-24 01:11:56,488 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:11:56,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:56,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:56,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:56,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:11:56,567 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:11:56,569 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:11:56,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:11:56,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:11:56,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:11:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:11:56,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958238482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:11:56,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:11:56,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-24 01:11:56,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624587461] [2024-11-24 01:11:56,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:11:56,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:11:56,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:56,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:11:56,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:11:56,723 INFO L87 Difference]: Start difference. First operand 527 states and 581 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 01:11:56,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:56,809 INFO L93 Difference]: Finished difference Result 527 states and 581 transitions. [2024-11-24 01:11:56,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:11:56,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 28 [2024-11-24 01:11:56,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:56,813 INFO L225 Difference]: With dead ends: 527 [2024-11-24 01:11:56,813 INFO L226 Difference]: Without dead ends: 525 [2024-11-24 01:11:56,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:11:56,814 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 91 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:56,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 125 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:11:56,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-24 01:11:56,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 461. [2024-11-24 01:11:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 451 states have (on average 1.1108647450110865) internal successors, (501), 460 states have internal predecessors, (501), 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 01:11:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 501 transitions. [2024-11-24 01:11:56,878 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 501 transitions. Word has length 28 [2024-11-24 01:11:56,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:56,878 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 501 transitions. [2024-11-24 01:11:56,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 01:11:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 501 transitions. [2024-11-24 01:11:56,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-24 01:11:56,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:56,883 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:56,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:11:57,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:57,084 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:57,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:57,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1415024522, now seen corresponding path program 1 times [2024-11-24 01:11:57,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:57,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479176377] [2024-11-24 01:11:57,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:57,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-24 01:11:57,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:57,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479176377] [2024-11-24 01:11:57,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479176377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:57,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083529363] [2024-11-24 01:11:57,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:57,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:57,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:57,263 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:57,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:11:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:57,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:11:57,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 75 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 01:11:57,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:11:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 75 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 01:11:57,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083529363] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:11:57,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:11:57,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-24 01:11:57,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233529050] [2024-11-24 01:11:57,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:11:57,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:11:57,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:57,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:11:57,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:11:57,718 INFO L87 Difference]: Start difference. First operand 461 states and 501 transitions. Second operand has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:11:58,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:58,779 INFO L93 Difference]: Finished difference Result 1817 states and 2063 transitions. [2024-11-24 01:11:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-24 01:11:58,779 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-24 01:11:58,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:58,786 INFO L225 Difference]: With dead ends: 1817 [2024-11-24 01:11:58,786 INFO L226 Difference]: Without dead ends: 1381 [2024-11-24 01:11:58,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-24 01:11:58,793 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 784 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:58,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 182 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:11:58,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-11-24 01:11:58,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1381. [2024-11-24 01:11:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1371 states have (on average 1.048140043763676) internal successors, (1437), 1380 states have internal predecessors, (1437), 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 01:11:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1437 transitions. [2024-11-24 01:11:58,931 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1437 transitions. Word has length 48 [2024-11-24 01:11:58,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:58,931 INFO L471 AbstractCegarLoop]: Abstraction has 1381 states and 1437 transitions. [2024-11-24 01:11:58,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:11:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1437 transitions. [2024-11-24 01:11:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 01:11:58,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:58,938 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:58,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-24 01:11:59,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:59,143 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:11:59,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:59,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1966833376, now seen corresponding path program 1 times [2024-11-24 01:11:59,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:59,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672551364] [2024-11-24 01:11:59,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:59,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-24 01:11:59,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:59,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672551364] [2024-11-24 01:11:59,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672551364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:11:59,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650475058] [2024-11-24 01:11:59,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:59,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:11:59,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:59,384 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:11:59,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 01:11:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:59,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 01:11:59,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:11:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 427 proven. 190 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-24 01:11:59,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:12:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 427 proven. 190 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-24 01:12:00,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650475058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:12:00,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:12:00,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-24 01:12:00,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674835270] [2024-11-24 01:12:00,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:12:00,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-24 01:12:00,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:00,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-24 01:12:00,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-24 01:12:00,311 INFO L87 Difference]: Start difference. First operand 1381 states and 1437 transitions. Second operand has 28 states, 28 states have (on average 5.071428571428571) internal successors, (142), 28 states have internal predecessors, (142), 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 01:12:02,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:02,285 INFO L93 Difference]: Finished difference Result 4153 states and 4551 transitions. [2024-11-24 01:12:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-24 01:12:02,286 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.071428571428571) internal successors, (142), 28 states have internal predecessors, (142), 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 103 [2024-11-24 01:12:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:02,297 INFO L225 Difference]: With dead ends: 4153 [2024-11-24 01:12:02,297 INFO L226 Difference]: Without dead ends: 2821 [2024-11-24 01:12:02,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2024-11-24 01:12:02,303 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 1149 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:02,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 350 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:12:02,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2024-11-24 01:12:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2819. [2024-11-24 01:12:02,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2811 states have (on average 1.0220562077552473) internal successors, (2873), 2818 states have internal predecessors, (2873), 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 01:12:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 2873 transitions. [2024-11-24 01:12:02,477 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 2873 transitions. Word has length 103 [2024-11-24 01:12:02,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:02,477 INFO L471 AbstractCegarLoop]: Abstraction has 2819 states and 2873 transitions. [2024-11-24 01:12:02,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.071428571428571) internal successors, (142), 28 states have internal predecessors, (142), 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 01:12:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 2873 transitions. [2024-11-24 01:12:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-24 01:12:02,480 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:02,481 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-24 01:12:02,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 01:12:02,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:02,685 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:12:02,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash 559503306, now seen corresponding path program 1 times [2024-11-24 01:12:02,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:02,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396633597] [2024-11-24 01:12:02,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:02,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3886 backedges. 0 proven. 1992 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2024-11-24 01:12:03,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:03,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396633597] [2024-11-24 01:12:03,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396633597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:03,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786732550] [2024-11-24 01:12:03,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:03,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:03,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:03,036 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:03,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 01:12:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:03,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 01:12:03,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3886 backedges. 1987 proven. 946 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2024-11-24 01:12:04,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:12:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3886 backedges. 1987 proven. 946 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2024-11-24 01:12:05,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786732550] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:12:05,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:12:05,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2024-11-24 01:12:05,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853474223] [2024-11-24 01:12:05,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:12:05,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-24 01:12:05,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:05,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-24 01:12:05,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2024-11-24 01:12:05,012 INFO L87 Difference]: Start difference. First operand 2819 states and 2873 transitions. Second operand has 52 states, 52 states have (on average 4.596153846153846) internal successors, (239), 52 states have internal predecessors, (239), 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 01:12:12,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:12,008 INFO L93 Difference]: Finished difference Result 11261 states and 12259 transitions. [2024-11-24 01:12:12,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-24 01:12:12,009 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.596153846153846) internal successors, (239), 52 states have internal predecessors, (239), 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 200 [2024-11-24 01:12:12,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:12,043 INFO L225 Difference]: With dead ends: 11261 [2024-11-24 01:12:12,044 INFO L226 Difference]: Without dead ends: 8539 [2024-11-24 01:12:12,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2024-11-24 01:12:12,056 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 4947 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4947 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:12,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4947 Valid, 314 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:12:12,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8539 states. [2024-11-24 01:12:12,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8539 to 8535. [2024-11-24 01:12:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8535 states, 8527 states have (on average 1.0105547085727689) internal successors, (8617), 8534 states have internal predecessors, (8617), 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 01:12:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8535 states to 8535 states and 8617 transitions. [2024-11-24 01:12:12,574 INFO L78 Accepts]: Start accepts. Automaton has 8535 states and 8617 transitions. Word has length 200 [2024-11-24 01:12:12,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:12,575 INFO L471 AbstractCegarLoop]: Abstraction has 8535 states and 8617 transitions. [2024-11-24 01:12:12,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.596153846153846) internal successors, (239), 52 states have internal predecessors, (239), 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 01:12:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 8535 states and 8617 transitions. [2024-11-24 01:12:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-24 01:12:12,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:12,593 INFO L218 NwaCegarLoop]: trace histogram [92, 92, 92, 92, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-24 01:12:12,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 01:12:12,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:12,794 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:12:12,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:12,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1369147969, now seen corresponding path program 1 times [2024-11-24 01:12:12,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:12,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127949291] [2024-11-24 01:12:12,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:12,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16950 backedges. 0 proven. 8574 refuted. 0 times theorem prover too weak. 8376 trivial. 0 not checked. [2024-11-24 01:12:13,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:13,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127949291] [2024-11-24 01:12:13,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127949291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:13,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478671997] [2024-11-24 01:12:13,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:13,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:13,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:13,513 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:13,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 01:12:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:13,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-24 01:12:13,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16950 backedges. 8567 proven. 4186 refuted. 0 times theorem prover too weak. 4197 trivial. 0 not checked. [2024-11-24 01:12:16,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:12:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 16950 backedges. 8567 proven. 4186 refuted. 0 times theorem prover too weak. 4197 trivial. 0 not checked. [2024-11-24 01:12:19,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478671997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:12:19,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:12:19,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 50, 50] total 100 [2024-11-24 01:12:19,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302788871] [2024-11-24 01:12:19,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:12:19,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-24 01:12:19,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:19,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-24 01:12:19,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4663, Invalid=5237, Unknown=0, NotChecked=0, Total=9900 [2024-11-24 01:12:19,106 INFO L87 Difference]: Start difference. First operand 8535 states and 8617 transitions. Second operand has 100 states, 100 states have (on average 4.43) internal successors, (443), 100 states have internal predecessors, (443), 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 01:12:35,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:35,200 INFO L93 Difference]: Finished difference Result 25519 states and 27407 transitions. [2024-11-24 01:12:35,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-11-24 01:12:35,201 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 4.43) internal successors, (443), 100 states have internal predecessors, (443), 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 399 [2024-11-24 01:12:35,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:35,257 INFO L225 Difference]: With dead ends: 25519 [2024-11-24 01:12:35,258 INFO L226 Difference]: Without dead ends: 17177 [2024-11-24 01:12:35,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 989 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22278 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=23473, Invalid=60337, Unknown=0, NotChecked=0, Total=83810 [2024-11-24 01:12:35,281 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 6981 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 843 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6981 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 843 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:35,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6981 Valid, 740 Invalid, 2518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [843 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-24 01:12:35,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17177 states. [2024-11-24 01:12:36,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17177 to 17173. [2024-11-24 01:12:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17173 states, 17167 states have (on average 1.0051261140560377) internal successors, (17255), 17172 states have internal predecessors, (17255), 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 01:12:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17173 states to 17173 states and 17255 transitions. [2024-11-24 01:12:36,235 INFO L78 Accepts]: Start accepts. Automaton has 17173 states and 17255 transitions. Word has length 399 [2024-11-24 01:12:36,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:36,235 INFO L471 AbstractCegarLoop]: Abstraction has 17173 states and 17255 transitions. [2024-11-24 01:12:36,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 4.43) internal successors, (443), 100 states have internal predecessors, (443), 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 01:12:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 17173 states and 17255 transitions. [2024-11-24 01:12:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2024-11-24 01:12:36,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:36,262 INFO L218 NwaCegarLoop]: trace histogram [188, 188, 188, 188, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-24 01:12:36,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-24 01:12:36,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-24 01:12:36,466 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:12:36,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:36,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1238382210, now seen corresponding path program 1 times [2024-11-24 01:12:36,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:36,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705459626] [2024-11-24 01:12:36,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:36,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 70711 backedges. 0 proven. 35551 refuted. 0 times theorem prover too weak. 35160 trivial. 0 not checked. [2024-11-24 01:12:37,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:37,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705459626] [2024-11-24 01:12:37,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705459626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:37,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835905213] [2024-11-24 01:12:37,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:37,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:37,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:37,875 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:37,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 01:12:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:38,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-24 01:12:38,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 70711 backedges. 35543 proven. 17578 refuted. 0 times theorem prover too weak. 17590 trivial. 0 not checked. [2024-11-24 01:12:44,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:12:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 70711 backedges. 35543 proven. 17578 refuted. 0 times theorem prover too weak. 17590 trivial. 0 not checked. [2024-11-24 01:12:54,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835905213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:12:54,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:12:54,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 98, 98] total 196 [2024-11-24 01:12:54,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986024059] [2024-11-24 01:12:54,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:12:54,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-11-24 01:12:54,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:55,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-11-24 01:12:55,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18536, Invalid=19684, Unknown=0, NotChecked=0, Total=38220 [2024-11-24 01:12:55,008 INFO L87 Difference]: Start difference. First operand 17173 states and 17255 transitions. Second operand has 196 states, 196 states have (on average 4.224489795918367) internal successors, (828), 196 states have internal predecessors, (828), 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 01:16:07,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:16:07,857 INFO L93 Difference]: Finished difference Result 68471 states and 73854 transitions. [2024-11-24 01:16:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 575 states. [2024-11-24 01:16:07,859 INFO L78 Accepts]: Start accepts. Automaton has has 196 states, 196 states have (on average 4.224489795918367) internal successors, (828), 196 states have internal predecessors, (828), 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 784 [2024-11-24 01:16:07,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:16:07,982 INFO L225 Difference]: With dead ends: 68471 [2024-11-24 01:16:07,982 INFO L226 Difference]: Without dead ends: 51683 [2024-11-24 01:16:08,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2046 GetRequests, 1375 SyntacticMatches, 0 SemanticMatches, 671 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154188 ImplicationChecksByTransitivity, 78.3s TimeCoverageRelationStatistics Valid=157153, Invalid=295103, Unknown=0, NotChecked=0, Total=452256 [2024-11-24 01:16:08,028 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 22061 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 1619 mSolverCounterSat, 3051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22061 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 4670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3051 IncrementalHoareTripleChecker+Valid, 1619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:16:08,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22061 Valid, 610 Invalid, 4670 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3051 Valid, 1619 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-24 01:16:08,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51683 states. [2024-11-24 01:16:09,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51683 to 51675. [2024-11-24 01:16:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51675 states, 51669 states have (on average 1.0025353693704155) internal successors, (51800), 51674 states have internal predecessors, (51800), 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 01:16:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51675 states to 51675 states and 51800 transitions. [2024-11-24 01:16:09,713 INFO L78 Accepts]: Start accepts. Automaton has 51675 states and 51800 transitions. Word has length 784 [2024-11-24 01:16:09,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:16:09,714 INFO L471 AbstractCegarLoop]: Abstraction has 51675 states and 51800 transitions. [2024-11-24 01:16:09,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 4.224489795918367) internal successors, (828), 196 states have internal predecessors, (828), 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 01:16:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 51675 states and 51800 transitions. [2024-11-24 01:16:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2302 [2024-11-24 01:16:10,089 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:16:10,089 INFO L218 NwaCegarLoop]: trace histogram [570, 570, 570, 570, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:16:10,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-24 01:16:10,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-24 01:16:10,290 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:16:10,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:16:10,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1644298982, now seen corresponding path program 2 times [2024-11-24 01:16:10,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:16:10,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645765536] [2024-11-24 01:16:10,291 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:16:10,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:16:10,557 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:16:10,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:16:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 650385 backedges. 0 proven. 289568 refuted. 0 times theorem prover too weak. 360817 trivial. 0 not checked. [2024-11-24 01:16:10,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:16:10,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645765536] [2024-11-24 01:16:10,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645765536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:16:10,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399477357] [2024-11-24 01:16:10,611 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:16:10,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:16:10,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:16:10,613 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:16:10,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 01:16:11,190 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:16:11,190 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:16:11,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:16:11,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:16:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 650385 backedges. 0 proven. 289568 refuted. 0 times theorem prover too weak. 360817 trivial. 0 not checked. [2024-11-24 01:16:13,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:16:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 650385 backedges. 0 proven. 289568 refuted. 0 times theorem prover too weak. 360817 trivial. 0 not checked. [2024-11-24 01:16:16,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399477357] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:16:16,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:16:16,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-24 01:16:16,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129373700] [2024-11-24 01:16:16,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:16:16,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:16:16,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:16:16,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:16:16,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:16:16,709 INFO L87 Difference]: Start difference. First operand 51675 states and 51800 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 01:16:18,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:16:18,545 INFO L93 Difference]: Finished difference Result 51675 states and 51800 transitions. [2024-11-24 01:16:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:16:18,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 2301 [2024-11-24 01:16:18,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:16:18,705 INFO L225 Difference]: With dead ends: 51675 [2024-11-24 01:16:18,705 INFO L226 Difference]: Without dead ends: 51673 [2024-11-24 01:16:18,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4605 GetRequests, 4599 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:16:18,713 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 78 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:16:18,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 87 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:16:18,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51673 states. [2024-11-24 01:16:19,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51673 to 17311. [2024-11-24 01:16:19,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17311 states, 17307 states have (on average 1.0034090252498988) internal successors, (17366), 17310 states have internal predecessors, (17366), 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 01:16:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17311 states to 17311 states and 17366 transitions. [2024-11-24 01:16:19,564 INFO L78 Accepts]: Start accepts. Automaton has 17311 states and 17366 transitions. Word has length 2301 [2024-11-24 01:16:19,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:16:19,568 INFO L471 AbstractCegarLoop]: Abstraction has 17311 states and 17366 transitions. [2024-11-24 01:16:19,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 01:16:19,568 INFO L276 IsEmpty]: Start isEmpty. Operand 17311 states and 17366 transitions. [2024-11-24 01:16:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2315 [2024-11-24 01:16:19,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:16:19,616 INFO L218 NwaCegarLoop]: trace histogram [570, 570, 570, 570, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-24 01:16:19,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-24 01:16:19,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-24 01:16:19,817 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:16:19,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:16:19,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1829156676, now seen corresponding path program 2 times [2024-11-24 01:16:19,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:16:19,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075461012] [2024-11-24 01:16:19,818 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:16:19,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:16:20,078 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:16:20,079 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:16:20,127 INFO L134 CoverageAnalysis]: Checked inductivity of 650409 backedges. 0 proven. 289582 refuted. 0 times theorem prover too weak. 360827 trivial. 0 not checked. [2024-11-24 01:16:20,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:16:20,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075461012] [2024-11-24 01:16:20,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075461012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:16:20,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010788654] [2024-11-24 01:16:20,128 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:16:20,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:16:20,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:16:20,130 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:16:20,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-24 01:16:20,827 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:16:20,827 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:16:20,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:16:20,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:16:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 650409 backedges. 0 proven. 289582 refuted. 0 times theorem prover too weak. 360827 trivial. 0 not checked. [2024-11-24 01:16:23,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:16:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 650409 backedges. 0 proven. 289582 refuted. 0 times theorem prover too weak. 360827 trivial. 0 not checked. [2024-11-24 01:16:26,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010788654] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:16:26,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:16:26,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-24 01:16:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999224597] [2024-11-24 01:16:26,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:16:26,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:16:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:16:26,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:16:26,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:16:26,700 INFO L87 Difference]: Start difference. First operand 17311 states and 17366 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:16:27,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:16:27,264 INFO L93 Difference]: Finished difference Result 17311 states and 17366 transitions. [2024-11-24 01:16:27,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:16:27,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2314 [2024-11-24 01:16:27,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:16:27,301 INFO L225 Difference]: With dead ends: 17311 [2024-11-24 01:16:27,301 INFO L226 Difference]: Without dead ends: 17309 [2024-11-24 01:16:27,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4631 GetRequests, 4625 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:16:27,307 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 44 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:16:27,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 62 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:16:27,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17309 states. [2024-11-24 01:16:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17309 to 5795. [2024-11-24 01:16:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5795 states, 5793 states have (on average 1.003970308993613) internal successors, (5816), 5794 states have internal predecessors, (5816), 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 01:16:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5795 states to 5795 states and 5816 transitions. [2024-11-24 01:16:27,855 INFO L78 Accepts]: Start accepts. Automaton has 5795 states and 5816 transitions. Word has length 2314 [2024-11-24 01:16:27,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:16:27,858 INFO L471 AbstractCegarLoop]: Abstraction has 5795 states and 5816 transitions. [2024-11-24 01:16:27,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:16:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5795 states and 5816 transitions. [2024-11-24 01:16:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2328 [2024-11-24 01:16:27,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:16:27,899 INFO L218 NwaCegarLoop]: trace histogram [570, 570, 570, 570, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-24 01:16:27,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-24 01:16:28,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-24 01:16:28,100 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-24 01:16:28,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:16:28,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1715860412, now seen corresponding path program 2 times [2024-11-24 01:16:28,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:16:28,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310104553] [2024-11-24 01:16:28,101 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:16:28,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:16:28,329 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:16:28,329 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:16:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 650433 backedges. 0 proven. 289596 refuted. 0 times theorem prover too weak. 360837 trivial. 0 not checked. [2024-11-24 01:16:28,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:16:28,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310104553] [2024-11-24 01:16:28,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310104553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:16:28,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146868968] [2024-11-24 01:16:28,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:16:28,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:16:28,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:16:28,378 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:16:28,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-24 01:16:29,157 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:16:29,158 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:16:29,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:16:29,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:16:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 650433 backedges. 0 proven. 289596 refuted. 0 times theorem prover too weak. 360837 trivial. 0 not checked. [2024-11-24 01:16:32,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:16:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 650433 backedges. 0 proven. 289596 refuted. 0 times theorem prover too weak. 360837 trivial. 0 not checked. [2024-11-24 01:16:34,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146868968] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:16:34,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:16:34,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-24 01:16:34,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259600007] [2024-11-24 01:16:34,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:16:34,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:16:34,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:16:34,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:16:34,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:16:34,691 INFO L87 Difference]: Start difference. First operand 5795 states and 5816 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 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 01:16:35,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:16:35,035 INFO L93 Difference]: Finished difference Result 5795 states and 5816 transitions. [2024-11-24 01:16:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:16:35,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 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 2327 [2024-11-24 01:16:35,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:16:35,042 INFO L225 Difference]: With dead ends: 5795 [2024-11-24 01:16:35,042 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:16:35,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4657 GetRequests, 4651 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:16:35,046 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 66 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:16:35,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 38 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:16:35,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:16:35,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:16:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:16:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:16:35,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2327 [2024-11-24 01:16:35,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:16:35,051 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:16:35,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 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 01:16:35,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:16:35,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:16:35,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-24 01:16:35,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-24 01:16:35,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-24 01:16:35,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-24 01:16:35,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-24 01:16:35,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-24 01:16:35,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-24 01:16:35,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-24 01:16:35,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-24 01:16:35,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-24 01:16:35,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-24 01:16:35,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-24 01:16:35,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-24 01:16:35,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-24 01:16:35,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-24 01:16:35,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-24 01:16:35,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-24 01:16:35,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-24 01:16:35,259 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:16:35,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:19:59,808 WARN L286 SmtUtils]: Spent 3.41m on a formula simplification. DAG size of input: 10165 DAG size of output: 10157 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 01:23:08,314 WARN L286 SmtUtils]: Spent 3.14m on a formula simplification. DAG size of input: 10165 DAG size of output: 10157 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 01:23:38,932 WARN L286 SmtUtils]: Spent 29.79s on a formula simplification. DAG size of input: 10157 DAG size of output: 67 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:24:09,239 WARN L286 SmtUtils]: Spent 29.99s on a formula simplification. DAG size of input: 10157 DAG size of output: 67 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:24:09,445 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:24:09,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:24:09 BoogieIcfgContainer [2024-11-24 01:24:09,481 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:24:09,482 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:24:09,482 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:24:09,482 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:24:09,483 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:52" (3/4) ... [2024-11-24 01:24:09,486 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:24:09,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-24 01:24:09,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 01:24:09,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:24:09,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:24:09,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:24:09,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:24:09,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:24:09,597 INFO L158 Benchmark]: Toolchain (without parser) took 737956.32ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 99.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 702.2MB. Max. memory is 16.1GB. [2024-11-24 01:24:09,597 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:24:09,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.62ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 88.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:24:09,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.38ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 86.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:24:09,598 INFO L158 Benchmark]: Boogie Preprocessor took 38.12ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 85.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:24:09,598 INFO L158 Benchmark]: RCFGBuilder took 441.78ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 70.7MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:24:09,598 INFO L158 Benchmark]: TraceAbstraction took 737043.19ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 70.4MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-24 01:24:09,599 INFO L158 Benchmark]: Witness Printer took 113.86ms. Allocated memory is still 2.7GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:24:09,600 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.62ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 88.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.38ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 86.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.12ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 85.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 441.78ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 70.7MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 737043.19ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 70.4MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 113.86ms. Allocated memory is still 2.7GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 282.7s, OverallIterations: 16, TraceHistogramMax: 570, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 223.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36755 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36755 mSDsluCounter, 3341 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2640 mSDsCounter, 4740 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4862 IncrementalHoareTripleChecker+Invalid, 9602 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4740 mSolverCounterUnsat, 701 mSDtfsCounter, 4862 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18003 GetRequests, 16707 SyntacticMatches, 0 SemanticMatches, 1296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187428 ImplicationChecksByTransitivity, 100.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51675occurred in iteration=13, InterpolantAutomatonStates: 1053, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 45982 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 45.2s InterpolantComputationTime, 17163 NumberOfCodeBlocks, 3301 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 25667 ConstructedInterpolants, 0 QuantifiedInterpolants, 77931 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4171 ConjunctsInSsa, 213 ConjunctsInUnsatCore, 39 InterpolantComputations, 5 PerfectInterpolantSequences, 3432556/6131338 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((((((((m <= 1000) && (i == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500)) || (((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (j <= 2147483646)) && (n == 1500))) || ((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (2000 == q)) && (j <= 2147483646)) && (n == 1500))) || (((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (2000 == q)) && (n == 1500)) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500))) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && (((((((((((((l <= 2147483646) && (1 <= i)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (1 <= l)) && (n == 1500)) || ((((((((l <= 2147483646) && (1 <= i)) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (1 <= l)) && (n == 1500))) && (j <= 1499)) || (((((((((l <= 2147483646) && (1 <= i)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (j == 0)) && (1 <= l)) && (n == 1500))) || ((((((((l <= 2147483646) && (1 <= i)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (1 <= l)) && (n == 1500)))) || ((m <= 1000) && ((((((((((((i == 0) && (l <= 2147483646)) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (1 <= l)) && (n == 1500)) || (((((((((i == 0) && (l <= 2147483646)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (1 <= l)) && (n == 1500))) && (j <= 1499)) || (((((((((i == 0) && (l <= 2147483646)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (j == 0)) && (1 <= l)) && (n == 1500))) || ((((((((i == 0) && (l <= 2147483646)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (1 <= l)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && (((((((((l == 0) && (1 <= i)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500)) || ((((((((((l == 0) && (1 <= i)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (n == 1500)) || (((((((l == 0) && (1 <= i)) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500))) && (j <= 1499))) || ((((((((l == 0) && (1 <= i)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && (((((((((i == 0) && (l == 0)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500)) || (((((((((i == 0) && (l == 0)) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500)) || ((((((((i == 0) && (l == 0)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (n == 1500))) && (j <= 1499))) || ((((((((i == 0) && (l == 0)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (2000 == q)) && (n == 1500)) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && (((((((((((((l <= 2147483646) && (1 <= i)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (1 <= l)) && (n == 1500)) || ((((((((l <= 2147483646) && (1 <= i)) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (1 <= l)) && (n == 1500))) && (j <= 1499)) || (((((((((l <= 2147483646) && (1 <= i)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (j == 0)) && (1 <= l)) && (n == 1500))) || ((((((((l <= 2147483646) && (1 <= i)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (1 <= l)) && (n == 1500)))) || ((m <= 1000) && ((((((((((((i == 0) && (l <= 2147483646)) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (1 <= l)) && (n == 1500)) || (((((((((i == 0) && (l <= 2147483646)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (1 <= l)) && (n == 1500))) && (j <= 1499)) || (((((((((i == 0) && (l <= 2147483646)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (j == 0)) && (1 <= l)) && (n == 1500))) || ((((((((i == 0) && (l <= 2147483646)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (1 <= l)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && (((((((((l == 0) && (1 <= i)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500)) || ((((((((((l == 0) && (1 <= i)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (n == 1500)) || (((((((l == 0) && (1 <= i)) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500))) && (j <= 1499))) || ((((((((l == 0) && (1 <= i)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && (((((((((i == 0) && (l == 0)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500)) || (((((((((i == 0) && (l == 0)) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500)) || ((((((((i == 0) && (l == 0)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (n == 1500))) && (j <= 1499))) || ((((((((i == 0) && (l == 0)) && (p == 1800)) && (2000 == q)) && (1 <= k)) && (k <= 1799)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500)))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500))))) || (((((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (2000 == q)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || (((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (2000 == q)) && (1 <= k)) && (j == 0)) && (n == 1500))) && (m <= 1000)) && (i <= 999))) || ((m <= 1000) && ((((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (2000 == q)) && (1 <= k)) && (j == 0)) && (n == 1500)) || ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (2000 == q)) && (1 <= k)) && (n == 1500)) && (j <= 1499))))) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((((((m <= 1000) && (i == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500)) || (((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (2000 == q)) && (j <= 2147483646)) && (n == 1500))) || ((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (2000 == q)) && (j <= 2147483646)) && (n == 1500))) || (((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500)))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (2000 == q)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (k == 0)) && (p == 1800)) && (2000 == q)) && (j == 0)) && (n == 1500))))) || (((((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (2000 == q)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || (((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (2000 == q)) && (1 <= k)) && (j == 0)) && (n == 1500))) && (m <= 1000)) && (i <= 999))) || ((m <= 1000) && ((((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (2000 == q)) && (1 <= k)) && (j == 0)) && (n == 1500)) || ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (2000 == q)) && (1 <= k)) && (n == 1500)) && (j <= 1499))))) RESULT: Ultimate proved your program to be correct! [2024-11-24 01:24:09,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a0eeff-73dd-4b47-9631-65373f56bf36/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE