./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/systemc/kundu1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/systemc/kundu1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB --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 c114a15ea6b1c9b012290758a6a9559b9c02a944706c9768958a3bd9c86822a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:49:20,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:49:20,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 19:49:20,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:49:20,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:49:20,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:49:20,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:49:20,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:49:20,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:49:20,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:49:20,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:49:20,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:49:20,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:49:20,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:49:20,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:49:20,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:49:20,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:49:20,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:49:20,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:49:20,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:49:20,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:49:20,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:49:20,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:49:20,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:49:20,179 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:49:20,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:49:20,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:49:20,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:49:20,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:49:20,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:49:20,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:49:20,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:49:20,181 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:49:20,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:49:20,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:49:20,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:49:20,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:49:20,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:49:20,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:49:20,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:49:20,183 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_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB 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 -> c114a15ea6b1c9b012290758a6a9559b9c02a944706c9768958a3bd9c86822a7 [2024-11-27 19:49:20,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:49:20,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:49:20,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:49:20,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:49:20,538 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:49:20,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/systemc/kundu1.cil.c [2024-11-27 19:49:23,536 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/data/b8d081c33/c3be221bd6c4473c8e326ccfeb3b93dd/FLAG8231d59ca [2024-11-27 19:49:23,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:49:23,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/sv-benchmarks/c/systemc/kundu1.cil.c [2024-11-27 19:49:23,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/data/b8d081c33/c3be221bd6c4473c8e326ccfeb3b93dd/FLAG8231d59ca [2024-11-27 19:49:23,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/data/b8d081c33/c3be221bd6c4473c8e326ccfeb3b93dd [2024-11-27 19:49:23,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:49:23,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:49:23,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:49:23,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:49:23,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:49:23,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:49:23" (1/1) ... [2024-11-27 19:49:23,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247c82f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:23, skipping insertion in model container [2024-11-27 19:49:23,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:49:23" (1/1) ... [2024-11-27 19:49:23,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:49:24,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:49:24,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:49:24,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:49:24,231 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:49:24,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24 WrapperNode [2024-11-27 19:49:24,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:49:24,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:49:24,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:49:24,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:49:24,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,272 INFO L138 Inliner]: procedures = 32, calls = 37, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 267 [2024-11-27 19:49:24,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:49:24,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:49:24,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:49:24,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:49:24,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,283 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,296 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 19:49:24,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,309 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:49:24,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:49:24,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:49:24,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:49:24,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (1/1) ... [2024-11-27 19:49:24,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:49:24,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:24,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:49:24,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:49:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:49:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-27 19:49:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-27 19:49:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-27 19:49:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-27 19:49:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-27 19:49:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-27 19:49:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-27 19:49:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-27 19:49:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-27 19:49:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-27 19:49:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:49:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-27 19:49:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-27 19:49:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:49:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:49:24,493 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:49:24,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:49:24,972 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-27 19:49:24,972 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:49:24,993 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:49:24,993 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-27 19:49:24,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:49:24 BoogieIcfgContainer [2024-11-27 19:49:24,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:49:24,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:49:24,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:49:25,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:49:25,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:49:23" (1/3) ... [2024-11-27 19:49:25,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a59b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:49:25, skipping insertion in model container [2024-11-27 19:49:25,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:49:24" (2/3) ... [2024-11-27 19:49:25,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a59b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:49:25, skipping insertion in model container [2024-11-27 19:49:25,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:49:24" (3/3) ... [2024-11-27 19:49:25,008 INFO L128 eAbstractionObserver]: Analyzing ICFG kundu1.cil.c [2024-11-27 19:49:25,029 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:49:25,032 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG kundu1.cil.c that has 7 procedures, 121 locations, 1 initial locations, 4 loop locations, and 8 error locations. [2024-11-27 19:49:25,117 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:49:25,136 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;@5fc3344a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:49:25,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-27 19:49:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 102 states have internal predecessors, (140), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-27 19:49:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-27 19:49:25,151 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:25,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:25,152 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:25,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:25,159 INFO L85 PathProgramCache]: Analyzing trace with hash 740562043, now seen corresponding path program 1 times [2024-11-27 19:49:25,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:25,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834525210] [2024-11-27 19:49:25,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:25,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:25,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:25,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834525210] [2024-11-27 19:49:25,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834525210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:25,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:25,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:25,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985763630] [2024-11-27 19:49:25,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:25,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:25,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:25,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:25,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:25,613 INFO L87 Difference]: Start difference. First operand has 121 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 102 states have internal predecessors, (140), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:25,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:25,848 INFO L93 Difference]: Finished difference Result 332 states and 473 transitions. [2024-11-27 19:49:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:49:25,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-27 19:49:25,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:25,866 INFO L225 Difference]: With dead ends: 332 [2024-11-27 19:49:25,866 INFO L226 Difference]: Without dead ends: 205 [2024-11-27 19:49:25,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:25,878 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 265 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:25,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 516 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:49:25,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-27 19:49:25,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 191. [2024-11-27 19:49:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 153 states have (on average 1.4313725490196079) internal successors, (219), 161 states have internal predecessors, (219), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 19:49:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 259 transitions. [2024-11-27 19:49:25,968 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 259 transitions. Word has length 46 [2024-11-27 19:49:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:25,969 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 259 transitions. [2024-11-27 19:49:25,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 259 transitions. [2024-11-27 19:49:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-27 19:49:25,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:25,973 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:25,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:49:25,974 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:25,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:25,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1030908932, now seen corresponding path program 1 times [2024-11-27 19:49:25,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:25,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832587685] [2024-11-27 19:49:25,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:25,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:26,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:26,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832587685] [2024-11-27 19:49:26,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832587685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:26,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:26,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:49:26,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387887779] [2024-11-27 19:49:26,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:26,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:26,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:26,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:26,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:26,160 INFO L87 Difference]: Start difference. First operand 191 states and 259 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:26,232 INFO L93 Difference]: Finished difference Result 375 states and 512 transitions. [2024-11-27 19:49:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:49:26,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-27 19:49:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:26,238 INFO L225 Difference]: With dead ends: 375 [2024-11-27 19:49:26,238 INFO L226 Difference]: Without dead ends: 194 [2024-11-27 19:49:26,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:26,240 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:26,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 566 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-27 19:49:26,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-27 19:49:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 156 states have (on average 1.4166666666666667) internal successors, (221), 164 states have internal predecessors, (221), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 19:49:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 261 transitions. [2024-11-27 19:49:26,277 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 261 transitions. Word has length 46 [2024-11-27 19:49:26,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:26,278 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 261 transitions. [2024-11-27 19:49:26,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 261 transitions. [2024-11-27 19:49:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-27 19:49:26,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:26,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:26,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:49:26,283 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:26,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:26,284 INFO L85 PathProgramCache]: Analyzing trace with hash 892319102, now seen corresponding path program 1 times [2024-11-27 19:49:26,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:26,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282183965] [2024-11-27 19:49:26,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:26,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:26,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282183965] [2024-11-27 19:49:26,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282183965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:26,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:26,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:49:26,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974187756] [2024-11-27 19:49:26,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:26,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:26,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:26,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:26,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:26,457 INFO L87 Difference]: Start difference. First operand 194 states and 261 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:26,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:26,920 INFO L93 Difference]: Finished difference Result 801 states and 1062 transitions. [2024-11-27 19:49:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:49:26,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-27 19:49:26,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:26,931 INFO L225 Difference]: With dead ends: 801 [2024-11-27 19:49:26,932 INFO L226 Difference]: Without dead ends: 589 [2024-11-27 19:49:26,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:49:26,935 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 598 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:26,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 596 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 19:49:26,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-27 19:49:27,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 419. [2024-11-27 19:49:27,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 346 states have (on average 1.407514450867052) internal successors, (487), 353 states have internal predecessors, (487), 41 states have call successors, (41), 23 states have call predecessors, (41), 24 states have return successors, (43), 43 states have call predecessors, (43), 41 states have call successors, (43) [2024-11-27 19:49:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 571 transitions. [2024-11-27 19:49:27,012 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 571 transitions. Word has length 46 [2024-11-27 19:49:27,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:27,012 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 571 transitions. [2024-11-27 19:49:27,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 571 transitions. [2024-11-27 19:49:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-27 19:49:27,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:27,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:27,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:49:27,014 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:27,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:27,015 INFO L85 PathProgramCache]: Analyzing trace with hash -305051208, now seen corresponding path program 1 times [2024-11-27 19:49:27,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:27,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761084835] [2024-11-27 19:49:27,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:27,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:27,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:27,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761084835] [2024-11-27 19:49:27,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761084835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:27,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:27,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:27,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348301836] [2024-11-27 19:49:27,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:27,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:27,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:27,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:27,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:27,137 INFO L87 Difference]: Start difference. First operand 419 states and 571 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:27,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:27,398 INFO L93 Difference]: Finished difference Result 1098 states and 1485 transitions. [2024-11-27 19:49:27,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:49:27,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-27 19:49:27,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:27,404 INFO L225 Difference]: With dead ends: 1098 [2024-11-27 19:49:27,404 INFO L226 Difference]: Without dead ends: 689 [2024-11-27 19:49:27,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:27,408 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 238 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:27,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 633 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:49:27,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-27 19:49:27,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 545. [2024-11-27 19:49:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 442 states have (on average 1.3280542986425339) internal successors, (587), 450 states have internal predecessors, (587), 60 states have call successors, (60), 35 states have call predecessors, (60), 35 states have return successors, (64), 60 states have call predecessors, (64), 60 states have call successors, (64) [2024-11-27 19:49:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 711 transitions. [2024-11-27 19:49:27,498 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 711 transitions. Word has length 48 [2024-11-27 19:49:27,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:27,499 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 711 transitions. [2024-11-27 19:49:27,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 711 transitions. [2024-11-27 19:49:27,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-27 19:49:27,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:27,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:27,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:49:27,502 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:27,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:27,505 INFO L85 PathProgramCache]: Analyzing trace with hash 333733271, now seen corresponding path program 1 times [2024-11-27 19:49:27,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:27,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521106200] [2024-11-27 19:49:27,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:27,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:27,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:27,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521106200] [2024-11-27 19:49:27,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521106200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:27,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:27,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:49:27,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685093552] [2024-11-27 19:49:27,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:27,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:27,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:27,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:27,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:27,611 INFO L87 Difference]: Start difference. First operand 545 states and 711 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:27,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:27,703 INFO L93 Difference]: Finished difference Result 1092 states and 1442 transitions. [2024-11-27 19:49:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:49:27,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-27 19:49:27,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:27,708 INFO L225 Difference]: With dead ends: 1092 [2024-11-27 19:49:27,708 INFO L226 Difference]: Without dead ends: 557 [2024-11-27 19:49:27,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:27,711 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:27,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 565 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:27,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-27 19:49:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2024-11-27 19:49:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 454 states have (on average 1.3127753303964758) internal successors, (596), 462 states have internal predecessors, (596), 60 states have call successors, (60), 35 states have call predecessors, (60), 35 states have return successors, (64), 60 states have call predecessors, (64), 60 states have call successors, (64) [2024-11-27 19:49:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 720 transitions. [2024-11-27 19:49:27,781 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 720 transitions. Word has length 48 [2024-11-27 19:49:27,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:27,782 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 720 transitions. [2024-11-27 19:49:27,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 720 transitions. [2024-11-27 19:49:27,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-27 19:49:27,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:27,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:27,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:49:27,786 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:27,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:27,787 INFO L85 PathProgramCache]: Analyzing trace with hash 552587989, now seen corresponding path program 1 times [2024-11-27 19:49:27,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:27,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068270969] [2024-11-27 19:49:27,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:27,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:27,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068270969] [2024-11-27 19:49:27,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068270969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:27,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:27,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:27,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936894422] [2024-11-27 19:49:27,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:27,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:27,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:27,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:27,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:27,911 INFO L87 Difference]: Start difference. First operand 557 states and 720 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:28,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:28,222 INFO L93 Difference]: Finished difference Result 1624 states and 2130 transitions. [2024-11-27 19:49:28,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:49:28,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-27 19:49:28,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:28,234 INFO L225 Difference]: With dead ends: 1624 [2024-11-27 19:49:28,235 INFO L226 Difference]: Without dead ends: 1078 [2024-11-27 19:49:28,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:28,239 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 158 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:28,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 331 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:49:28,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-11-27 19:49:28,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1072. [2024-11-27 19:49:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 872 states have (on average 1.2809633027522935) internal successors, (1117), 884 states have internal predecessors, (1117), 119 states have call successors, (119), 70 states have call predecessors, (119), 73 states have return successors, (156), 119 states have call predecessors, (156), 119 states have call successors, (156) [2024-11-27 19:49:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1392 transitions. [2024-11-27 19:49:28,405 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1392 transitions. Word has length 48 [2024-11-27 19:49:28,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:28,405 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1392 transitions. [2024-11-27 19:49:28,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 19:49:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1392 transitions. [2024-11-27 19:49:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 19:49:28,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:28,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:28,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:49:28,409 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:28,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:28,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1436805545, now seen corresponding path program 1 times [2024-11-27 19:49:28,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:28,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95681437] [2024-11-27 19:49:28,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:28,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:28,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:28,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95681437] [2024-11-27 19:49:28,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95681437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:28,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:28,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:49:28,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258460625] [2024-11-27 19:49:28,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:28,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:28,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:28,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:28,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:28,512 INFO L87 Difference]: Start difference. First operand 1072 states and 1392 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 19:49:28,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:28,743 INFO L93 Difference]: Finished difference Result 2628 states and 3418 transitions. [2024-11-27 19:49:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:28,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2024-11-27 19:49:28,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:28,760 INFO L225 Difference]: With dead ends: 2628 [2024-11-27 19:49:28,760 INFO L226 Difference]: Without dead ends: 1696 [2024-11-27 19:49:28,764 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 [2024-11-27 19:49:28,765 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 106 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:28,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 260 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:28,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2024-11-27 19:49:28,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1696. [2024-11-27 19:49:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1389 states have (on average 1.267818574514039) internal successors, (1761), 1404 states have internal predecessors, (1761), 183 states have call successors, (183), 110 states have call predecessors, (183), 116 states have return successors, (244), 183 states have call predecessors, (244), 183 states have call successors, (244) [2024-11-27 19:49:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2188 transitions. [2024-11-27 19:49:28,978 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2188 transitions. Word has length 49 [2024-11-27 19:49:28,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:28,978 INFO L471 AbstractCegarLoop]: Abstraction has 1696 states and 2188 transitions. [2024-11-27 19:49:28,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 19:49:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2188 transitions. [2024-11-27 19:49:28,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 19:49:28,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:28,981 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:28,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:49:28,981 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:28,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:28,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1678877410, now seen corresponding path program 1 times [2024-11-27 19:49:28,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:28,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956021191] [2024-11-27 19:49:28,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:28,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:29,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:29,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956021191] [2024-11-27 19:49:29,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956021191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:29,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:29,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:49:29,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19060790] [2024-11-27 19:49:29,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:29,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:29,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:29,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:29,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:29,061 INFO L87 Difference]: Start difference. First operand 1696 states and 2188 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 19:49:29,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:29,220 INFO L93 Difference]: Finished difference Result 1890 states and 2433 transitions. [2024-11-27 19:49:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:29,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2024-11-27 19:49:29,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:29,236 INFO L225 Difference]: With dead ends: 1890 [2024-11-27 19:49:29,236 INFO L226 Difference]: Without dead ends: 1886 [2024-11-27 19:49:29,238 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 [2024-11-27 19:49:29,238 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 106 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:29,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 283 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:29,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2024-11-27 19:49:29,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1882. [2024-11-27 19:49:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1882 states, 1548 states have (on average 1.2642118863049097) internal successors, (1957), 1564 states have internal predecessors, (1957), 199 states have call successors, (199), 120 states have call predecessors, (199), 127 states have return successors, (265), 199 states have call predecessors, (265), 199 states have call successors, (265) [2024-11-27 19:49:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2421 transitions. [2024-11-27 19:49:29,404 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2421 transitions. Word has length 49 [2024-11-27 19:49:29,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:29,405 INFO L471 AbstractCegarLoop]: Abstraction has 1882 states and 2421 transitions. [2024-11-27 19:49:29,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 19:49:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2421 transitions. [2024-11-27 19:49:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-27 19:49:29,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:29,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:29,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:49:29,408 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:29,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:29,408 INFO L85 PathProgramCache]: Analyzing trace with hash -217855223, now seen corresponding path program 1 times [2024-11-27 19:49:29,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:29,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146150863] [2024-11-27 19:49:29,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:29,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:29,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:29,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146150863] [2024-11-27 19:49:29,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146150863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:29,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:29,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:49:29,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752034749] [2024-11-27 19:49:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:29,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:29,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:29,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:29,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:29,557 INFO L87 Difference]: Start difference. First operand 1882 states and 2421 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 19:49:29,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:29,851 INFO L93 Difference]: Finished difference Result 3044 states and 3923 transitions. [2024-11-27 19:49:29,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:49:29,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2024-11-27 19:49:29,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:29,865 INFO L225 Difference]: With dead ends: 3044 [2024-11-27 19:49:29,865 INFO L226 Difference]: Without dead ends: 2048 [2024-11-27 19:49:29,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:29,869 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 206 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:29,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 451 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:29,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2024-11-27 19:49:30,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2046. [2024-11-27 19:49:30,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2046 states, 1685 states have (on average 1.258160237388724) internal successors, (2120), 1702 states have internal predecessors, (2120), 215 states have call successors, (215), 130 states have call predecessors, (215), 138 states have return successors, (286), 215 states have call predecessors, (286), 215 states have call successors, (286) [2024-11-27 19:49:30,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 2621 transitions. [2024-11-27 19:49:30,055 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 2621 transitions. Word has length 57 [2024-11-27 19:49:30,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:30,056 INFO L471 AbstractCegarLoop]: Abstraction has 2046 states and 2621 transitions. [2024-11-27 19:49:30,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 19:49:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2621 transitions. [2024-11-27 19:49:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-27 19:49:30,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:30,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:30,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:49:30,058 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:30,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:30,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1836422935, now seen corresponding path program 1 times [2024-11-27 19:49:30,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:30,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337622081] [2024-11-27 19:49:30,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:30,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:49:30,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:30,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337622081] [2024-11-27 19:49:30,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337622081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:30,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:30,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:49:30,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366148475] [2024-11-27 19:49:30,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:30,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:30,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:30,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:30,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:30,131 INFO L87 Difference]: Start difference. First operand 2046 states and 2621 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 19:49:30,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:30,414 INFO L93 Difference]: Finished difference Result 2886 states and 3695 transitions. [2024-11-27 19:49:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:49:30,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 58 [2024-11-27 19:49:30,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:30,432 INFO L225 Difference]: With dead ends: 2886 [2024-11-27 19:49:30,433 INFO L226 Difference]: Without dead ends: 2884 [2024-11-27 19:49:30,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:30,435 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 293 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:30,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 347 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2024-11-27 19:49:30,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2876. [2024-11-27 19:49:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2380 states have (on average 1.2546218487394958) internal successors, (2986), 2402 states have internal predecessors, (2986), 295 states have call successors, (295), 180 states have call predecessors, (295), 193 states have return successors, (397), 295 states have call predecessors, (397), 295 states have call successors, (397) [2024-11-27 19:49:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3678 transitions. [2024-11-27 19:49:30,669 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3678 transitions. Word has length 58 [2024-11-27 19:49:30,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:30,669 INFO L471 AbstractCegarLoop]: Abstraction has 2876 states and 3678 transitions. [2024-11-27 19:49:30,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 19:49:30,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3678 transitions. [2024-11-27 19:49:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-27 19:49:30,671 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:30,671 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:30,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:49:30,672 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:30,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:30,672 INFO L85 PathProgramCache]: Analyzing trace with hash -119501196, now seen corresponding path program 1 times [2024-11-27 19:49:30,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:30,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106210089] [2024-11-27 19:49:30,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:30,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 19:49:30,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:30,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106210089] [2024-11-27 19:49:30,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106210089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:30,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:30,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:49:30,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144646145] [2024-11-27 19:49:30,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:30,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:30,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:30,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:30,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:30,783 INFO L87 Difference]: Start difference. First operand 2876 states and 3678 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 19:49:31,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:31,287 INFO L93 Difference]: Finished difference Result 6624 states and 8589 transitions. [2024-11-27 19:49:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 19:49:31,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2024-11-27 19:49:31,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:31,312 INFO L225 Difference]: With dead ends: 6624 [2024-11-27 19:49:31,312 INFO L226 Difference]: Without dead ends: 3764 [2024-11-27 19:49:31,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:49:31,322 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 655 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:31,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 634 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:49:31,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2024-11-27 19:49:31,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3630. [2024-11-27 19:49:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3630 states, 2968 states have (on average 1.2274258760107817) internal successors, (3643), 2996 states have internal predecessors, (3643), 397 states have call successors, (397), 240 states have call predecessors, (397), 257 states have return successors, (571), 397 states have call predecessors, (571), 397 states have call successors, (571) [2024-11-27 19:49:31,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3630 states and 4611 transitions. [2024-11-27 19:49:31,608 INFO L78 Accepts]: Start accepts. Automaton has 3630 states and 4611 transitions. Word has length 67 [2024-11-27 19:49:31,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:31,609 INFO L471 AbstractCegarLoop]: Abstraction has 3630 states and 4611 transitions. [2024-11-27 19:49:31,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 19:49:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 4611 transitions. [2024-11-27 19:49:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-27 19:49:31,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:31,613 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:31,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:49:31,617 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:31,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:31,618 INFO L85 PathProgramCache]: Analyzing trace with hash 434053107, now seen corresponding path program 1 times [2024-11-27 19:49:31,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:31,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695159470] [2024-11-27 19:49:31,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:31,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 19:49:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:31,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695159470] [2024-11-27 19:49:31,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695159470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:31,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:31,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 19:49:31,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246811600] [2024-11-27 19:49:31,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:31,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:49:31,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:31,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:49:31,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:49:31,745 INFO L87 Difference]: Start difference. First operand 3630 states and 4611 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 19:49:32,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:32,449 INFO L93 Difference]: Finished difference Result 7382 states and 9350 transitions. [2024-11-27 19:49:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:49:32,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 79 [2024-11-27 19:49:32,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:32,472 INFO L225 Difference]: With dead ends: 7382 [2024-11-27 19:49:32,472 INFO L226 Difference]: Without dead ends: 3654 [2024-11-27 19:49:32,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 19:49:32,483 INFO L435 NwaCegarLoop]: 307 mSDtfsCounter, 970 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:32,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 909 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 19:49:32,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3654 states. [2024-11-27 19:49:32,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3654 to 3508. [2024-11-27 19:49:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3508 states, 2875 states have (on average 1.2121739130434783) internal successors, (3485), 2902 states have internal predecessors, (3485), 378 states have call successors, (378), 230 states have call predecessors, (378), 247 states have return successors, (477), 378 states have call predecessors, (477), 378 states have call successors, (477) [2024-11-27 19:49:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3508 states and 4340 transitions. [2024-11-27 19:49:32,793 INFO L78 Accepts]: Start accepts. Automaton has 3508 states and 4340 transitions. Word has length 79 [2024-11-27 19:49:32,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:32,794 INFO L471 AbstractCegarLoop]: Abstraction has 3508 states and 4340 transitions. [2024-11-27 19:49:32,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 19:49:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3508 states and 4340 transitions. [2024-11-27 19:49:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-27 19:49:32,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:32,800 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:32,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 19:49:32,803 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:32,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:32,803 INFO L85 PathProgramCache]: Analyzing trace with hash 86675, now seen corresponding path program 1 times [2024-11-27 19:49:32,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:32,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577540827] [2024-11-27 19:49:32,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:32,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-27 19:49:32,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:32,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577540827] [2024-11-27 19:49:32,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577540827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:32,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631597295] [2024-11-27 19:49:32,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:32,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:32,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:32,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:32,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 19:49:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:33,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:49:33,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-27 19:49:33,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:33,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631597295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:33,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:33,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-27 19:49:33,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301202869] [2024-11-27 19:49:33,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:33,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:33,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:33,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:33,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:49:33,322 INFO L87 Difference]: Start difference. First operand 3508 states and 4340 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 19:49:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:33,483 INFO L93 Difference]: Finished difference Result 4735 states and 5900 transitions. [2024-11-27 19:49:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:33,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-27 19:49:33,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:33,495 INFO L225 Difference]: With dead ends: 4735 [2024-11-27 19:49:33,495 INFO L226 Difference]: Without dead ends: 1933 [2024-11-27 19:49:33,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:49:33,503 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 83 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:33,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 142 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:33,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2024-11-27 19:49:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1933. [2024-11-27 19:49:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1933 states, 1582 states have (on average 1.1984829329962072) internal successors, (1896), 1602 states have internal predecessors, (1896), 207 states have call successors, (207), 125 states have call predecessors, (207), 136 states have return successors, (253), 207 states have call predecessors, (253), 207 states have call successors, (253) [2024-11-27 19:49:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2356 transitions. [2024-11-27 19:49:33,638 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2356 transitions. Word has length 122 [2024-11-27 19:49:33,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:33,639 INFO L471 AbstractCegarLoop]: Abstraction has 1933 states and 2356 transitions. [2024-11-27 19:49:33,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 19:49:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2356 transitions. [2024-11-27 19:49:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-27 19:49:33,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:33,643 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:33,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 19:49:33,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:33,848 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:33,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:33,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1991917209, now seen corresponding path program 1 times [2024-11-27 19:49:33,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:33,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884786426] [2024-11-27 19:49:33,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:33,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-27 19:49:34,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:34,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884786426] [2024-11-27 19:49:34,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884786426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:34,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086667787] [2024-11-27 19:49:34,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:34,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:34,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:34,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:34,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 19:49:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:34,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:49:34,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-27 19:49:34,313 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:34,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086667787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:34,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:34,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-27 19:49:34,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462222190] [2024-11-27 19:49:34,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:34,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:34,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:34,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:34,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:49:34,315 INFO L87 Difference]: Start difference. First operand 1933 states and 2356 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 19:49:34,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:34,454 INFO L93 Difference]: Finished difference Result 4194 states and 5098 transitions. [2024-11-27 19:49:34,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:34,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2024-11-27 19:49:34,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:34,468 INFO L225 Difference]: With dead ends: 4194 [2024-11-27 19:49:34,468 INFO L226 Difference]: Without dead ends: 2469 [2024-11-27 19:49:34,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:49:34,474 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:34,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 277 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2024-11-27 19:49:34,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 2464. [2024-11-27 19:49:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2005 states have (on average 1.1860349127182044) internal successors, (2378), 2025 states have internal predecessors, (2378), 270 states have call successors, (270), 170 states have call predecessors, (270), 181 states have return successors, (323), 270 states have call predecessors, (323), 270 states have call successors, (323) [2024-11-27 19:49:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 2971 transitions. [2024-11-27 19:49:34,647 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 2971 transitions. Word has length 136 [2024-11-27 19:49:34,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:34,648 INFO L471 AbstractCegarLoop]: Abstraction has 2464 states and 2971 transitions. [2024-11-27 19:49:34,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 19:49:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2971 transitions. [2024-11-27 19:49:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:49:34,652 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:34,652 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:34,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 19:49:34,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 19:49:34,860 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:34,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:34,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1353407703, now seen corresponding path program 1 times [2024-11-27 19:49:34,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:34,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763126757] [2024-11-27 19:49:34,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:34,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-27 19:49:34,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:34,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763126757] [2024-11-27 19:49:34,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763126757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:34,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:34,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801541432] [2024-11-27 19:49:34,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:34,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:34,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:34,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:34,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:34,977 INFO L87 Difference]: Start difference. First operand 2464 states and 2971 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 19:49:35,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:35,188 INFO L93 Difference]: Finished difference Result 3625 states and 4398 transitions. [2024-11-27 19:49:35,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:49:35,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 144 [2024-11-27 19:49:35,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:35,209 INFO L225 Difference]: With dead ends: 3625 [2024-11-27 19:49:35,209 INFO L226 Difference]: Without dead ends: 2336 [2024-11-27 19:49:35,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:35,214 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 187 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:35,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 429 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:35,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2024-11-27 19:49:35,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2336. [2024-11-27 19:49:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 1901 states have (on average 1.1846396633350869) internal successors, (2252), 1921 states have internal predecessors, (2252), 256 states have call successors, (256), 160 states have call predecessors, (256), 171 states have return successors, (305), 256 states have call predecessors, (305), 256 states have call successors, (305) [2024-11-27 19:49:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 2813 transitions. [2024-11-27 19:49:35,414 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 2813 transitions. Word has length 144 [2024-11-27 19:49:35,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:35,414 INFO L471 AbstractCegarLoop]: Abstraction has 2336 states and 2813 transitions. [2024-11-27 19:49:35,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 19:49:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2813 transitions. [2024-11-27 19:49:35,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-27 19:49:35,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:35,422 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:35,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 19:49:35,422 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:35,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash 921325575, now seen corresponding path program 1 times [2024-11-27 19:49:35,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:35,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065418376] [2024-11-27 19:49:35,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:35,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 24 proven. 34 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-27 19:49:35,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:35,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065418376] [2024-11-27 19:49:35,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065418376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:35,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007775312] [2024-11-27 19:49:35,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:35,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:35,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:35,609 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:35,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 19:49:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:35,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:49:35,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 19:49:35,853 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:35,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007775312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:35,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:35,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-27 19:49:35,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301941698] [2024-11-27 19:49:35,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:35,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:49:35,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:35,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:49:35,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:49:35,856 INFO L87 Difference]: Start difference. First operand 2336 states and 2813 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 19:49:35,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:35,969 INFO L93 Difference]: Finished difference Result 3913 states and 4710 transitions. [2024-11-27 19:49:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:49:35,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 159 [2024-11-27 19:49:35,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:35,980 INFO L225 Difference]: With dead ends: 3913 [2024-11-27 19:49:35,983 INFO L226 Difference]: Without dead ends: 1592 [2024-11-27 19:49:35,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:49:35,990 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:35,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 691 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2024-11-27 19:49:36,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1592. [2024-11-27 19:49:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1338 states have (on average 1.1853512705530642) internal successors, (1586), 1343 states have internal predecessors, (1586), 143 states have call successors, (143), 94 states have call predecessors, (143), 103 states have return successors, (176), 154 states have call predecessors, (176), 143 states have call successors, (176) [2024-11-27 19:49:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 1905 transitions. [2024-11-27 19:49:36,080 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 1905 transitions. Word has length 159 [2024-11-27 19:49:36,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:36,081 INFO L471 AbstractCegarLoop]: Abstraction has 1592 states and 1905 transitions. [2024-11-27 19:49:36,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 19:49:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1905 transitions. [2024-11-27 19:49:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-27 19:49:36,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:36,085 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:36,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 19:49:36,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:36,289 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:36,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:36,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1023967792, now seen corresponding path program 1 times [2024-11-27 19:49:36,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:36,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44138538] [2024-11-27 19:49:36,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:36,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-27 19:49:36,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:36,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44138538] [2024-11-27 19:49:36,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44138538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:36,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:36,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:49:36,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089989468] [2024-11-27 19:49:36,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:36,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:36,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:36,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:36,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:36,426 INFO L87 Difference]: Start difference. First operand 1592 states and 1905 transitions. Second operand has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:36,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:36,554 INFO L93 Difference]: Finished difference Result 1592 states and 1905 transitions. [2024-11-27 19:49:36,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:36,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 164 [2024-11-27 19:49:36,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:36,566 INFO L225 Difference]: With dead ends: 1592 [2024-11-27 19:49:36,566 INFO L226 Difference]: Without dead ends: 1590 [2024-11-27 19:49:36,568 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 [2024-11-27 19:49:36,568 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 93 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:36,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 130 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:36,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2024-11-27 19:49:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1590. [2024-11-27 19:49:36,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1338 states have (on average 1.1793721973094171) internal successors, (1578), 1341 states have internal predecessors, (1578), 143 states have call successors, (143), 94 states have call predecessors, (143), 103 states have return successors, (176), 154 states have call predecessors, (176), 143 states have call successors, (176) [2024-11-27 19:49:36,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 1897 transitions. [2024-11-27 19:49:36,719 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 1897 transitions. Word has length 164 [2024-11-27 19:49:36,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:36,720 INFO L471 AbstractCegarLoop]: Abstraction has 1590 states and 1897 transitions. [2024-11-27 19:49:36,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1897 transitions. [2024-11-27 19:49:36,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 19:49:36,725 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:36,725 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:36,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 19:49:36,725 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:36,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1521357219, now seen corresponding path program 1 times [2024-11-27 19:49:36,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:36,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9509570] [2024-11-27 19:49:36,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:36,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:36,885 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-27 19:49:36,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:36,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9509570] [2024-11-27 19:49:36,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9509570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:36,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552197148] [2024-11-27 19:49:36,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:36,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:36,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:36,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:36,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 19:49:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:37,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:49:37,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-27 19:49:37,355 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:37,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552197148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:37,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:37,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 19:49:37,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825095257] [2024-11-27 19:49:37,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:37,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:49:37,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:37,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:49:37,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:37,357 INFO L87 Difference]: Start difference. First operand 1590 states and 1897 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:37,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:37,512 INFO L93 Difference]: Finished difference Result 1591 states and 1897 transitions. [2024-11-27 19:49:37,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:49:37,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 165 [2024-11-27 19:49:37,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:37,522 INFO L225 Difference]: With dead ends: 1591 [2024-11-27 19:49:37,522 INFO L226 Difference]: Without dead ends: 1589 [2024-11-27 19:49:37,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:37,524 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 104 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:37,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 320 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:37,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2024-11-27 19:49:37,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1588. [2024-11-27 19:49:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1338 states have (on average 1.1748878923766817) internal successors, (1572), 1339 states have internal predecessors, (1572), 143 states have call successors, (143), 94 states have call predecessors, (143), 103 states have return successors, (176), 154 states have call predecessors, (176), 143 states have call successors, (176) [2024-11-27 19:49:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1891 transitions. [2024-11-27 19:49:37,619 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1891 transitions. Word has length 165 [2024-11-27 19:49:37,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:37,620 INFO L471 AbstractCegarLoop]: Abstraction has 1588 states and 1891 transitions. [2024-11-27 19:49:37,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1891 transitions. [2024-11-27 19:49:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-27 19:49:37,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:37,623 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:37,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 19:49:37,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 19:49:37,827 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:37,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:37,828 INFO L85 PathProgramCache]: Analyzing trace with hash -82566219, now seen corresponding path program 1 times [2024-11-27 19:49:37,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:37,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239799073] [2024-11-27 19:49:37,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:37,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-27 19:49:37,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:37,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239799073] [2024-11-27 19:49:37,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239799073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:37,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472644576] [2024-11-27 19:49:37,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:37,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:37,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:37,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:37,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 19:49:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:38,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:49:38,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-27 19:49:38,441 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:49:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-27 19:49:38,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472644576] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 19:49:38,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 19:49:38,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 19:49:38,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90003942] [2024-11-27 19:49:38,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 19:49:38,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 19:49:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:38,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 19:49:38,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:49:38,702 INFO L87 Difference]: Start difference. First operand 1588 states and 1891 transitions. Second operand has 7 states, 6 states have (on average 40.5) internal successors, (243), 7 states have internal predecessors, (243), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-27 19:49:39,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:39,098 INFO L93 Difference]: Finished difference Result 4523 states and 5482 transitions. [2024-11-27 19:49:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:49:39,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 40.5) internal successors, (243), 7 states have internal predecessors, (243), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) Word has length 166 [2024-11-27 19:49:39,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:39,124 INFO L225 Difference]: With dead ends: 4523 [2024-11-27 19:49:39,124 INFO L226 Difference]: Without dead ends: 4521 [2024-11-27 19:49:39,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:49:39,127 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 340 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:39,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 519 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:49:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4521 states. [2024-11-27 19:49:39,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4521 to 3446. [2024-11-27 19:49:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3446 states, 2962 states have (on average 1.1924375422012155) internal successors, (3532), 2957 states have internal predecessors, (3532), 281 states have call successors, (281), 178 states have call predecessors, (281), 199 states have return successors, (380), 310 states have call predecessors, (380), 281 states have call successors, (380) [2024-11-27 19:49:39,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3446 states and 4193 transitions. [2024-11-27 19:49:39,389 INFO L78 Accepts]: Start accepts. Automaton has 3446 states and 4193 transitions. Word has length 166 [2024-11-27 19:49:39,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:39,390 INFO L471 AbstractCegarLoop]: Abstraction has 3446 states and 4193 transitions. [2024-11-27 19:49:39,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 40.5) internal successors, (243), 7 states have internal predecessors, (243), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-27 19:49:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3446 states and 4193 transitions. [2024-11-27 19:49:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-27 19:49:39,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:39,394 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:39,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 19:49:39,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:39,595 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:39,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:39,596 INFO L85 PathProgramCache]: Analyzing trace with hash 750537717, now seen corresponding path program 1 times [2024-11-27 19:49:39,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:39,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924065672] [2024-11-27 19:49:39,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:39,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-27 19:49:39,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:39,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924065672] [2024-11-27 19:49:39,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924065672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:39,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:39,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:39,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059940355] [2024-11-27 19:49:39,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:39,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:39,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:39,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:39,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:39,819 INFO L87 Difference]: Start difference. First operand 3446 states and 4193 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 19:49:40,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:40,123 INFO L93 Difference]: Finished difference Result 4975 states and 6075 transitions. [2024-11-27 19:49:40,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:49:40,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 175 [2024-11-27 19:49:40,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:40,149 INFO L225 Difference]: With dead ends: 4975 [2024-11-27 19:49:40,149 INFO L226 Difference]: Without dead ends: 3871 [2024-11-27 19:49:40,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:49:40,154 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 213 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:40,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 450 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:40,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2024-11-27 19:49:40,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 2584. [2024-11-27 19:49:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 2245 states have (on average 1.1919821826280623) internal successors, (2676), 2239 states have internal predecessors, (2676), 197 states have call successors, (197), 123 states have call predecessors, (197), 139 states have return successors, (285), 221 states have call predecessors, (285), 197 states have call successors, (285) [2024-11-27 19:49:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 3158 transitions. [2024-11-27 19:49:40,311 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 3158 transitions. Word has length 175 [2024-11-27 19:49:40,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:40,313 INFO L471 AbstractCegarLoop]: Abstraction has 2584 states and 3158 transitions. [2024-11-27 19:49:40,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 19:49:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3158 transitions. [2024-11-27 19:49:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-27 19:49:40,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:40,317 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:40,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 19:49:40,317 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:40,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:40,318 INFO L85 PathProgramCache]: Analyzing trace with hash -689580360, now seen corresponding path program 1 times [2024-11-27 19:49:40,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:40,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740943741] [2024-11-27 19:49:40,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:40,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-27 19:49:40,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:40,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740943741] [2024-11-27 19:49:40,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740943741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:40,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:40,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:49:40,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91110425] [2024-11-27 19:49:40,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:40,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:40,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:40,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:40,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:40,495 INFO L87 Difference]: Start difference. First operand 2584 states and 3158 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:40,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:40,763 INFO L93 Difference]: Finished difference Result 7218 states and 8846 transitions. [2024-11-27 19:49:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:49:40,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 176 [2024-11-27 19:49:40,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:40,793 INFO L225 Difference]: With dead ends: 7218 [2024-11-27 19:49:40,793 INFO L226 Difference]: Without dead ends: 4673 [2024-11-27 19:49:40,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:49:40,802 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 82 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:40,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 457 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4673 states. [2024-11-27 19:49:40,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4673 to 3788. [2024-11-27 19:49:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 3281 states have (on average 1.189271563547699) internal successors, (3902), 3271 states have internal predecessors, (3902), 296 states have call successors, (296), 184 states have call predecessors, (296), 208 states have return successors, (428), 332 states have call predecessors, (428), 296 states have call successors, (428) [2024-11-27 19:49:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 4626 transitions. [2024-11-27 19:49:41,007 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 4626 transitions. Word has length 176 [2024-11-27 19:49:41,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:41,008 INFO L471 AbstractCegarLoop]: Abstraction has 3788 states and 4626 transitions. [2024-11-27 19:49:41,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 4626 transitions. [2024-11-27 19:49:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-27 19:49:41,012 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:41,012 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:41,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 19:49:41,012 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:41,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:41,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1902454002, now seen corresponding path program 1 times [2024-11-27 19:49:41,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:41,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199027906] [2024-11-27 19:49:41,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:41,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-27 19:49:41,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:41,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199027906] [2024-11-27 19:49:41,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199027906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:41,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:41,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501235236] [2024-11-27 19:49:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:41,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:41,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:41,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:41,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:41,236 INFO L87 Difference]: Start difference. First operand 3788 states and 4626 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:41,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:41,759 INFO L93 Difference]: Finished difference Result 8216 states and 10095 transitions. [2024-11-27 19:49:41,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:49:41,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 177 [2024-11-27 19:49:41,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:41,796 INFO L225 Difference]: With dead ends: 8216 [2024-11-27 19:49:41,796 INFO L226 Difference]: Without dead ends: 8212 [2024-11-27 19:49:41,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:49:41,803 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 230 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:41,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 424 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8212 states. [2024-11-27 19:49:42,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8212 to 4850. [2024-11-27 19:49:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4850 states, 4187 states have (on average 1.1936947695247193) internal successors, (4998), 4173 states have internal predecessors, (4998), 388 states have call successors, (388), 240 states have call predecessors, (388), 272 states have return successors, (564), 436 states have call predecessors, (564), 388 states have call successors, (564) [2024-11-27 19:49:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4850 states to 4850 states and 5950 transitions. [2024-11-27 19:49:42,164 INFO L78 Accepts]: Start accepts. Automaton has 4850 states and 5950 transitions. Word has length 177 [2024-11-27 19:49:42,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:42,165 INFO L471 AbstractCegarLoop]: Abstraction has 4850 states and 5950 transitions. [2024-11-27 19:49:42,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4850 states and 5950 transitions. [2024-11-27 19:49:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-27 19:49:42,173 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:42,173 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:42,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 19:49:42,174 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:42,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:42,174 INFO L85 PathProgramCache]: Analyzing trace with hash -874650940, now seen corresponding path program 1 times [2024-11-27 19:49:42,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:42,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107888357] [2024-11-27 19:49:42,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:42,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-27 19:49:42,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:42,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107888357] [2024-11-27 19:49:42,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107888357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:42,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646171398] [2024-11-27 19:49:42,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:42,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:42,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:42,264 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:42,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 19:49:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:42,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:49:42,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-27 19:49:42,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:42,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646171398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:42,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:42,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 19:49:42,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47087042] [2024-11-27 19:49:42,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:42,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:42,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:42,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:42,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:42,572 INFO L87 Difference]: Start difference. First operand 4850 states and 5950 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 19:49:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:42,913 INFO L93 Difference]: Finished difference Result 12194 states and 15020 transitions. [2024-11-27 19:49:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:42,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 253 [2024-11-27 19:49:42,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:42,947 INFO L225 Difference]: With dead ends: 12194 [2024-11-27 19:49:42,947 INFO L226 Difference]: Without dead ends: 7530 [2024-11-27 19:49:42,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:42,960 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 60 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:42,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 339 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:42,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7530 states. [2024-11-27 19:49:43,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7530 to 7524. [2024-11-27 19:49:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7524 states, 6461 states have (on average 1.1902182324717536) internal successors, (7690), 6447 states have internal predecessors, (7690), 628 states have call successors, (628), 384 states have call predecessors, (628), 432 states have return successors, (868), 692 states have call predecessors, (868), 628 states have call successors, (868) [2024-11-27 19:49:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7524 states to 7524 states and 9186 transitions. [2024-11-27 19:49:43,427 INFO L78 Accepts]: Start accepts. Automaton has 7524 states and 9186 transitions. Word has length 253 [2024-11-27 19:49:43,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:43,428 INFO L471 AbstractCegarLoop]: Abstraction has 7524 states and 9186 transitions. [2024-11-27 19:49:43,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-27 19:49:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 7524 states and 9186 transitions. [2024-11-27 19:49:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-27 19:49:43,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:43,438 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:43,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 19:49:43,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-27 19:49:43,639 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:43,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1369907458, now seen corresponding path program 1 times [2024-11-27 19:49:43,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:43,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629107726] [2024-11-27 19:49:43,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:43,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-27 19:49:43,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:43,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629107726] [2024-11-27 19:49:43,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629107726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:43,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:43,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:49:43,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619680519] [2024-11-27 19:49:43,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:43,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:43,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:43,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:43,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:43,734 INFO L87 Difference]: Start difference. First operand 7524 states and 9186 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 19:49:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:43,963 INFO L93 Difference]: Finished difference Result 11420 states and 13977 transitions. [2024-11-27 19:49:43,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:43,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 253 [2024-11-27 19:49:43,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:43,982 INFO L225 Difference]: With dead ends: 11420 [2024-11-27 19:49:43,982 INFO L226 Difference]: Without dead ends: 4082 [2024-11-27 19:49:43,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:43,994 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 19 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:43,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 266 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:43,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2024-11-27 19:49:44,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 4082. [2024-11-27 19:49:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4082 states, 3547 states have (on average 1.1654919650408797) internal successors, (4134), 3549 states have internal predecessors, (4134), 292 states have call successors, (292), 192 states have call predecessors, (292), 240 states have return successors, (420), 340 states have call predecessors, (420), 292 states have call successors, (420) [2024-11-27 19:49:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 4846 transitions. [2024-11-27 19:49:44,201 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 4846 transitions. Word has length 253 [2024-11-27 19:49:44,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:44,202 INFO L471 AbstractCegarLoop]: Abstraction has 4082 states and 4846 transitions. [2024-11-27 19:49:44,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 19:49:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 4846 transitions. [2024-11-27 19:49:44,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-27 19:49:44,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:44,210 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:44,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 19:49:44,210 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:44,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:44,211 INFO L85 PathProgramCache]: Analyzing trace with hash 139780271, now seen corresponding path program 1 times [2024-11-27 19:49:44,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:44,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148332911] [2024-11-27 19:49:44,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:44,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 93 proven. 4 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-27 19:49:44,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:44,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148332911] [2024-11-27 19:49:44,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148332911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:44,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970562127] [2024-11-27 19:49:44,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:44,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:44,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:44,307 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:44,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 19:49:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:44,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 19:49:44,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-27 19:49:44,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:44,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970562127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:44,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:44,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 19:49:44,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285415146] [2024-11-27 19:49:44,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:44,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:44,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:44,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:44,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:44,624 INFO L87 Difference]: Start difference. First operand 4082 states and 4846 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-27 19:49:45,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:45,091 INFO L93 Difference]: Finished difference Result 10418 states and 12396 transitions. [2024-11-27 19:49:45,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:45,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 276 [2024-11-27 19:49:45,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:45,123 INFO L225 Difference]: With dead ends: 10418 [2024-11-27 19:49:45,123 INFO L226 Difference]: Without dead ends: 6522 [2024-11-27 19:49:45,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:49:45,133 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 49 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:45,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 335 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:45,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6522 states. [2024-11-27 19:49:45,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6522 to 6516. [2024-11-27 19:49:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6516 states, 5645 states have (on average 1.158193091231178) internal successors, (6538), 5647 states have internal predecessors, (6538), 500 states have call successors, (500), 320 states have call predecessors, (500), 368 states have return successors, (660), 548 states have call predecessors, (660), 500 states have call successors, (660) [2024-11-27 19:49:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6516 states to 6516 states and 7698 transitions. [2024-11-27 19:49:45,574 INFO L78 Accepts]: Start accepts. Automaton has 6516 states and 7698 transitions. Word has length 276 [2024-11-27 19:49:45,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:45,575 INFO L471 AbstractCegarLoop]: Abstraction has 6516 states and 7698 transitions. [2024-11-27 19:49:45,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-27 19:49:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 6516 states and 7698 transitions. [2024-11-27 19:49:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-27 19:49:45,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:45,585 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:45,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 19:49:45,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:45,786 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:45,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:45,786 INFO L85 PathProgramCache]: Analyzing trace with hash 478067821, now seen corresponding path program 1 times [2024-11-27 19:49:45,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:45,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627645836] [2024-11-27 19:49:45,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-27 19:49:45,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:45,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627645836] [2024-11-27 19:49:45,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627645836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:45,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:45,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:49:45,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561320839] [2024-11-27 19:49:45,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:45,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:45,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:45,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:45,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:45,876 INFO L87 Difference]: Start difference. First operand 6516 states and 7698 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-27 19:49:46,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:46,084 INFO L93 Difference]: Finished difference Result 9628 states and 11401 transitions. [2024-11-27 19:49:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:46,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 276 [2024-11-27 19:49:46,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:46,100 INFO L225 Difference]: With dead ends: 9628 [2024-11-27 19:49:46,100 INFO L226 Difference]: Without dead ends: 3298 [2024-11-27 19:49:46,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:46,110 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 17 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:46,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 259 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:46,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2024-11-27 19:49:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 3298. [2024-11-27 19:49:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3298 states, 2843 states have (on average 1.1276820260288427) internal successors, (3206), 2845 states have internal predecessors, (3206), 244 states have call successors, (244), 160 states have call predecessors, (244), 208 states have return successors, (324), 292 states have call predecessors, (324), 244 states have call successors, (324) [2024-11-27 19:49:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 3298 states and 3774 transitions. [2024-11-27 19:49:46,292 INFO L78 Accepts]: Start accepts. Automaton has 3298 states and 3774 transitions. Word has length 276 [2024-11-27 19:49:46,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:46,293 INFO L471 AbstractCegarLoop]: Abstraction has 3298 states and 3774 transitions. [2024-11-27 19:49:46,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-27 19:49:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 3774 transitions. [2024-11-27 19:49:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-27 19:49:46,299 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:46,299 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:46,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 19:49:46,299 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:46,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:46,300 INFO L85 PathProgramCache]: Analyzing trace with hash 970808795, now seen corresponding path program 1 times [2024-11-27 19:49:46,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:46,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847599927] [2024-11-27 19:49:46,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:46,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 93 proven. 4 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-27 19:49:46,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:46,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847599927] [2024-11-27 19:49:46,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847599927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:46,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007390947] [2024-11-27 19:49:46,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:46,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:46,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:46,380 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:46,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 19:49:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:46,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 19:49:46,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-27 19:49:46,642 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:46,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007390947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:46,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:46,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-27 19:49:46,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227822578] [2024-11-27 19:49:46,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:46,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:49:46,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:46,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:49:46,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:46,645 INFO L87 Difference]: Start difference. First operand 3298 states and 3774 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-27 19:49:46,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:46,831 INFO L93 Difference]: Finished difference Result 6410 states and 7349 transitions. [2024-11-27 19:49:46,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:49:46,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 277 [2024-11-27 19:49:46,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:46,847 INFO L225 Difference]: With dead ends: 6410 [2024-11-27 19:49:46,848 INFO L226 Difference]: Without dead ends: 3298 [2024-11-27 19:49:46,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:49:46,853 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 41 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:46,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 235 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:49:46,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2024-11-27 19:49:47,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 3194. [2024-11-27 19:49:47,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 2763 states have (on average 1.1118349619978285) internal successors, (3072), 2765 states have internal predecessors, (3072), 230 states have call successors, (230), 150 states have call predecessors, (230), 198 states have return successors, (278), 278 states have call predecessors, (278), 230 states have call successors, (278) [2024-11-27 19:49:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 3580 transitions. [2024-11-27 19:49:47,067 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 3580 transitions. Word has length 277 [2024-11-27 19:49:47,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:47,069 INFO L471 AbstractCegarLoop]: Abstraction has 3194 states and 3580 transitions. [2024-11-27 19:49:47,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-27 19:49:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 3580 transitions. [2024-11-27 19:49:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-27 19:49:47,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:47,075 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:47,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 19:49:47,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:47,276 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:47,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:47,276 INFO L85 PathProgramCache]: Analyzing trace with hash 47641369, now seen corresponding path program 2 times [2024-11-27 19:49:47,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:47,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379345096] [2024-11-27 19:49:47,277 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 19:49:47,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:47,304 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 19:49:47,304 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 19:49:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-27 19:49:47,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:47,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379345096] [2024-11-27 19:49:47,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379345096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:47,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:49:47,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:49:47,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336064903] [2024-11-27 19:49:47,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:47,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:47,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:47,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:47,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:49:47,371 INFO L87 Difference]: Start difference. First operand 3194 states and 3580 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 19:49:47,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:47,769 INFO L93 Difference]: Finished difference Result 5176 states and 5805 transitions. [2024-11-27 19:49:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:49:47,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 277 [2024-11-27 19:49:47,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:47,790 INFO L225 Difference]: With dead ends: 5176 [2024-11-27 19:49:47,790 INFO L226 Difference]: Without dead ends: 5175 [2024-11-27 19:49:47,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:49:47,794 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 114 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:47,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 536 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:47,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2024-11-27 19:49:47,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 1875. [2024-11-27 19:49:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1627 states have (on average 1.1057160417947143) internal successors, (1799), 1628 states have internal predecessors, (1799), 132 states have call successors, (132), 87 states have call predecessors, (132), 114 states have return successors, (159), 159 states have call predecessors, (159), 132 states have call successors, (159) [2024-11-27 19:49:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2090 transitions. [2024-11-27 19:49:47,947 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2090 transitions. Word has length 277 [2024-11-27 19:49:47,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:47,948 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2090 transitions. [2024-11-27 19:49:47,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 19:49:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2090 transitions. [2024-11-27 19:49:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2024-11-27 19:49:47,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:47,961 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 14, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:47,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 19:49:47,961 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:47,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:47,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1627041953, now seen corresponding path program 1 times [2024-11-27 19:49:47,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:47,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891745800] [2024-11-27 19:49:47,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:47,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 159 proven. 72 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2024-11-27 19:49:48,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:48,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891745800] [2024-11-27 19:49:48,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891745800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:48,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614391814] [2024-11-27 19:49:48,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:48,217 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:48,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 19:49:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:48,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 19:49:48,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2024-11-27 19:49:48,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:48,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614391814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:48,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:48,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-27 19:49:48,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388843786] [2024-11-27 19:49:48,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:48,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:48,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:48,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:48,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:49:48,701 INFO L87 Difference]: Start difference. First operand 1875 states and 2090 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:48,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:48,979 INFO L93 Difference]: Finished difference Result 4906 states and 5482 transitions. [2024-11-27 19:49:48,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:49:48,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 496 [2024-11-27 19:49:48,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:48,992 INFO L225 Difference]: With dead ends: 4906 [2024-11-27 19:49:48,992 INFO L226 Difference]: Without dead ends: 3282 [2024-11-27 19:49:48,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:49:48,996 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 162 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:48,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 433 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:48,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3282 states. [2024-11-27 19:49:49,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3282 to 3232. [2024-11-27 19:49:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3232 states, 2802 states have (on average 1.1034975017844397) internal successors, (3092), 2803 states have internal predecessors, (3092), 230 states have call successors, (230), 150 states have call predecessors, (230), 198 states have return successors, (278), 278 states have call predecessors, (278), 230 states have call successors, (278) [2024-11-27 19:49:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 3232 states and 3600 transitions. [2024-11-27 19:49:49,224 INFO L78 Accepts]: Start accepts. Automaton has 3232 states and 3600 transitions. Word has length 496 [2024-11-27 19:49:49,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:49,224 INFO L471 AbstractCegarLoop]: Abstraction has 3232 states and 3600 transitions. [2024-11-27 19:49:49,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 19:49:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3600 transitions. [2024-11-27 19:49:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2024-11-27 19:49:49,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:49:49,237 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:49,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 19:49:49,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-27 19:49:49,438 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:49:49,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:49:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1774988499, now seen corresponding path program 1 times [2024-11-27 19:49:49,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:49:49,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755967748] [2024-11-27 19:49:49,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:49,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:49:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:49,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2024-11-27 19:49:49,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:49:49,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755967748] [2024-11-27 19:49:49,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755967748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:49:49,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106583893] [2024-11-27 19:49:49,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:49:49,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:49,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:49:49,705 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:49:49,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 19:49:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:49:49,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:49:49,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:49:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 1333 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-11-27 19:49:51,156 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:49:51,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106583893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:49:51,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:49:51,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2024-11-27 19:49:51,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274476170] [2024-11-27 19:49:51,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:49:51,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:49:51,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:49:51,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:49:51,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:49:51,159 INFO L87 Difference]: Start difference. First operand 3232 states and 3600 transitions. Second operand has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 4 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-27 19:49:51,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:49:51,399 INFO L93 Difference]: Finished difference Result 3410 states and 3800 transitions. [2024-11-27 19:49:51,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:49:51,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 4 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 517 [2024-11-27 19:49:51,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:49:51,407 INFO L225 Difference]: With dead ends: 3410 [2024-11-27 19:49:51,407 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 19:49:51,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:49:51,412 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 48 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:49:51,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 390 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:49:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 19:49:51,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 19:49:51,413 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) [2024-11-27 19:49:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 19:49:51,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 517 [2024-11-27 19:49:51,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:49:51,419 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 19:49:51,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 4 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-27 19:49:51,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 19:49:51,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 19:49:51,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-27 19:49:51,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-27 19:49:51,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-27 19:49:51,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-27 19:49:51,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-27 19:49:51,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-27 19:49:51,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-27 19:49:51,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-27 19:49:51,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 19:49:51,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:49:51,629 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:49:51,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 19:50:22,938 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:50:22,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:50:22 BoogieIcfgContainer [2024-11-27 19:50:22,971 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:50:22,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:50:22,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:50:22,972 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:50:22,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:49:24" (3/4) ... [2024-11-27 19:50:22,974 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 19:50:22,984 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_threads [2024-11-27 19:50:22,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure exists_runnable_thread [2024-11-27 19:50:22,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fire_delta_events [2024-11-27 19:50:22,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure update_channels [2024-11-27 19:50:22,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reset_delta_events [2024-11-27 19:50:22,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure error [2024-11-27 19:50:22,999 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-27 19:50:22,999 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 19:50:23,000 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 19:50:23,000 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 19:50:23,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:50:23,133 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:50:23,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:50:23,134 INFO L158 Benchmark]: Toolchain (without parser) took 59269.03ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 94.6MB in the beginning and 517.2MB in the end (delta: -422.6MB). Peak memory consumption was 745.9MB. Max. memory is 16.1GB. [2024-11-27 19:50:23,134 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:23,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.23ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 81.2MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:23,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.61ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:23,136 INFO L158 Benchmark]: Boogie Preprocessor took 59.98ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:23,136 INFO L158 Benchmark]: RCFGBuilder took 660.37ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 57.2MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:50:23,136 INFO L158 Benchmark]: TraceAbstraction took 57972.55ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 56.7MB in the beginning and 525.6MB in the end (delta: -468.9MB). Peak memory consumption was 762.3MB. Max. memory is 16.1GB. [2024-11-27 19:50:23,136 INFO L158 Benchmark]: Witness Printer took 161.79ms. Allocated memory is still 1.3GB. Free memory was 525.6MB in the beginning and 517.2MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:23,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.23ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 81.2MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.61ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.98ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 660.37ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 57.2MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 57972.55ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 56.7MB in the beginning and 525.6MB in the end (delta: -468.9MB). Peak memory consumption was 762.3MB. Max. memory is 16.1GB. * Witness Printer took 161.79ms. Allocated memory is still 1.3GB. Free memory was 525.6MB in the beginning and 517.2MB in the end (delta: 8.4MB). There was no memory consumed. 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: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 160]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 160]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 169]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 169]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 179]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 179]: 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 7 procedures, 121 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 26.5s, OverallIterations: 30, TraceHistogramMax: 17, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5505 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5496 mSDsluCounter, 12723 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7137 mSDsCounter, 536 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1539 IncrementalHoareTripleChecker+Invalid, 2075 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 536 mSolverCounterUnsat, 5586 mSDtfsCounter, 1539 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2879 GetRequests, 2772 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7524occurred in iteration=23, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.5s AutomataMinimizationTime, 30 MinimizatonAttempts, 10709 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 7417 NumberOfCodeBlocks, 7200 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 7542 ConstructedInterpolants, 0 QuantifiedInterpolants, 12914 SizeOfPredicates, 3 NumberOfNonLiveVariables, 6703 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 41 InterpolantComputations, 29 PerfectInterpolantSequences, 12381/12652 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 8 specifications checked. All of them hold - InvariantResult [Line: 93]: Location Invariant Derived location invariant: (((((((((((((((1 <= C_1_ev) && (P_1_pc == 1)) && (i == 0)) && (e <= 0)) && (C_1_pc == 0)) && (C_1_st != 0)) && (1 <= num)) && (P_1_st != 0)) || (((((((((i == 0) && (e <= 0)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((((1 <= i) && (1 <= C_1_ev)) && (P_1_pc == 1)) && (e <= 0)) && (2 != C_1_pc)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0))) || (((((((((((2 <= C_1_ev) && (2 <= P_1_ev)) && (2 == C_1_pc)) && (P_1_pc == 1)) && (e <= 0)) && (num <= 2)) && (max_loop <= 2)) && (i <= 2147483645)) && (0 <= num)) && (2 <= i)) && (P_1_st != 0))) || ((((((((1 <= i) && (1 <= C_1_ev)) && (P_1_pc == 1)) && (e <= 0)) && (2 != C_1_pc)) && (C_1_st != 0)) && (1 <= num)) && (P_1_st != 0))) || ((((((((((2 <= C_1_ev) && (2 <= P_1_ev)) && (2 == C_1_pc)) && (P_1_pc == 1)) && (e <= 0)) && (num <= 2)) && (max_loop <= 2)) && (i == 1)) && (0 <= num)) && (P_1_st != 0))) || (((((((((i == 0) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0)) && (P_1_st != 0))) || (((((((((e <= 0) && (2 != C_1_pc)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (i == 1)) && (P_1_pc == 0)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0))) - InvariantResult [Line: 156]: Location Invariant Derived location invariant: (((((((((((i == 0) && (e <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0)) || ((((((((((2 <= C_1_ev) && (2 <= P_1_ev)) && (2 == C_1_pc)) && (P_1_pc == 1)) && (e <= 0)) && (num <= 2)) && (max_loop <= 2)) && (i == 1)) && (C_1_st != 0)) && (0 <= num))) || ((((((((i == 0) && (e <= 0)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0)) && (C_1_st != 0))) || ((((((((((P_1_pc == 1) && (i == 0)) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (C_1_pc == 0)) && (num == 1)) && (C_1_st != 0)) && (P_1_st != 0))) || (((((((((((2 <= C_1_ev) && (2 <= P_1_ev)) && (2 == C_1_pc)) && (P_1_pc == 1)) && (e <= 0)) && (num <= 2)) && (max_loop <= 2)) && (i <= 2147483645)) && (C_1_st != 0)) && (0 <= num)) && (2 <= i))) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((((((((((((((P_1_pc == 0) && (C_1_pc == 0)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0)) || ((((((((((2 == C_1_pc) && (P_1_pc == 1)) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (i == 1)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0))) || (((((((((2 <= C_1_ev) && (2 <= P_1_ev)) && (2 == C_1_pc)) && (P_1_pc == 1)) && (e <= 0)) && (num <= 2)) && (max_loop <= 2)) && (i == 1)) && (0 <= num))) || (((((((1 <= i) && (1 <= C_1_ev)) && (P_1_pc == 1)) && (e <= 0)) && (2 != C_1_pc)) && (C_1_st != 0)) && (1 <= num))) || ((((((e <= 0) && (2 != C_1_pc)) && (P_1_pc == 0)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((((P_1_pc == 1) && (i == 0)) && (e <= 0)) && (P_1_ev <= 0)) && (C_1_pc == 0)) && (num == 1)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((((i == 0) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0))) || ((((((((((2 <= C_1_ev) && (2 <= P_1_ev)) && (2 == C_1_pc)) && (P_1_pc == 1)) && (e <= 0)) && (num <= 2)) && (max_loop <= 2)) && (i <= 2147483645)) && (0 <= num)) && (2 <= i))) || (((((((((P_1_pc == 1) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (i == 1)) && (num == 1)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((((i == 0) && (e <= 0)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0)) && (C_1_st != 0))) || (((((((1 <= i) && (1 <= C_1_ev)) && (P_1_pc == 1)) && (e <= 0)) && (2 != C_1_pc)) && (num == 0)) && (C_1_st != 0))) || (((((((1 <= C_1_ev) && (P_1_pc == 1)) && (i == 0)) && (e <= 0)) && (C_1_pc == 0)) && (C_1_st != 0)) && (1 <= num))) || ((((((((P_1_pc == 1) && (e <= 0)) && (2 != C_1_pc)) && (P_1_ev <= 0)) && (i == 1)) && (num == 1)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((i == 0) && (e <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0)) && (P_1_st != 0))) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: ((((((((((((((((((((P_1_pc == 0) && (C_1_pc == 0)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0)) || ((((((((((2 == C_1_pc) && (P_1_pc == 1)) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (i == 1)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0))) || (((((((((2 <= C_1_ev) && (2 <= P_1_ev)) && (2 == C_1_pc)) && (P_1_pc == 1)) && (e <= 0)) && (num <= 2)) && (max_loop <= 2)) && (i == 1)) && (0 <= num))) || (((((((1 <= i) && (1 <= C_1_ev)) && (P_1_pc == 1)) && (e <= 0)) && (2 != C_1_pc)) && (C_1_st != 0)) && (1 <= num))) || (((((((((P_1_pc == 1) && (i == 0)) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (C_1_pc == 0)) && (num == 1)) && (P_1_st != 0))) || ((((((e <= 0) && (2 != C_1_pc)) && (P_1_pc == 0)) && (num == 0)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((((P_1_pc == 1) && (i == 0)) && (e <= 0)) && (P_1_ev <= 0)) && (C_1_pc == 0)) && (num == 1)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((((i == 0) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0))) || ((((((((((2 <= C_1_ev) && (2 <= P_1_ev)) && (2 == C_1_pc)) && (P_1_pc == 1)) && (e <= 0)) && (num <= 2)) && (max_loop <= 2)) && (i <= 2147483645)) && (0 <= num)) && (2 <= i))) || ((((((((e <= 0) && (2 != C_1_pc)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (i == 1)) && (P_1_pc == 0)) && (num == 0)) && (C_1_st != 0))) || (((((((((P_1_pc == 1) && (e <= 0)) && (max_loop <= 2)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (i == 1)) && (num == 1)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((((i == 0) && (e <= 0)) && (P_1_ev <= 0)) && (C_1_ev <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0)) && (C_1_st != 0))) || (((((((1 <= i) && (1 <= C_1_ev)) && (P_1_pc == 1)) && (e <= 0)) && (2 != C_1_pc)) && (num == 0)) && (C_1_st != 0))) || (((((((1 <= C_1_ev) && (P_1_pc == 1)) && (i == 0)) && (e <= 0)) && (C_1_pc == 0)) && (C_1_st != 0)) && (1 <= num))) || ((((((((P_1_pc == 1) && (e <= 0)) && (2 != C_1_pc)) && (P_1_ev <= 0)) && (i == 1)) && (num == 1)) && (C_1_st != 0)) && (P_1_st != 0))) || ((((((i == 0) && (e <= 0)) && (P_1_pc == 0)) && (C_1_pc == 0)) && (num == 0)) && (P_1_st != 0))) RESULT: Ultimate proved your program to be correct! [2024-11-27 19:50:23,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfffe812-9546-41d3-8693-e45e4319c223/bin/uautomizer-verify-aQ6SnzHsRB/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